docs/build/html/_static/jquery-1.11.1.js

   1 /*!
   2  * jQuery JavaScript Library v1.11.1
   3  * http://jquery.com/
   4  *
   5  * Includes Sizzle.js
   6  * http://sizzlejs.com/
   7  *
   8  * Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors
   9  * Released under the MIT license
  10  * http://jquery.org/license
  11  *
  12  * Date: 2014-05-01T17:42Z
  13  */
  14
  15 (function( global, factory ) {
  16
  17         if ( typeof module === "object" && typeof module.exports === "object" ) {
  18                 // For CommonJS and CommonJS-like environments where a proper window is present,
  19                 // execute the factory and get jQuery
  20                 // For environments that do not inherently posses a window with a document
  21                 // (such as Node.js), expose a jQuery-making factory as module.exports
  22                 // This accentuates the need for the creation of a real window
  23                 // e.g. var jQuery = require("jquery")(window);
  24                 // See ticket #14549 for more info
  25                 module.exports = global.document ?
  26                         factory( global, true ) :
  27                         function( w ) {
  28                                 if ( !w.document ) {
  29                                         throw new Error( "jQuery requires a window with a document" );
  30                                 }
  31                                 return factory( w );
  32                         };
  33         } else {
  34                 factory( global );
  35         }
  36
  37 // Pass this if window is not defined yet
  38 }(typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
  39
  40 // Can't do this because several apps including ASP.NET trace
  41 // the stack via arguments.caller.callee and Firefox dies if
  42 // you try to trace through "use strict" call chains. (#13335)
  43 // Support: Firefox 18+
  44 //
  45
  46 var deletedIds = [];
  47
  48 var slice = deletedIds.slice;
  49
  50 var concat = deletedIds.concat;
  51
  52 var push = deletedIds.push;
  53
  54 var indexOf = deletedIds.indexOf;
  55
  56 var class2type = {};
  57
  58 var toString = class2type.toString;
  59
  60 var hasOwn = class2type.hasOwnProperty;
  61
  62 var support = {};
  63
  64
  65
  66 var
  67         version = "1.11.1",
  68
  69         // Define a local copy of jQuery
  70         jQuery = function( selector, context ) {
  71                 // The jQuery object is actually just the init constructor 'enhanced'
  72                 // Need init if jQuery is called (just allow error to be thrown if not included)
  73                 return new jQuery.fn.init( selector, context );
  74         },
  75
  76         // Support: Android<4.1, IE<9
  77         // Make sure we trim BOM and NBSP
  78         rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
  79
  80         // Matches dashed string for camelizing
  81         rmsPrefix = /^-ms-/,
  82         rdashAlpha = /-([\da-z])/gi,
  83
  84         // Used by jQuery.camelCase as callback to replace()
  85         fcamelCase = function( all, letter ) {
  86                 return letter.toUpperCase();
  87         };
  88
  89 jQuery.fn = jQuery.prototype = {
  90         // The current version of jQuery being used
  91         jquery: version,
  92
  93         constructor: jQuery,
  94
  95         // Start with an empty selector
  96         selector: "",
  97
  98         // The default length of a jQuery object is 0
  99         length: 0,
 100
 101         toArray: function() {
 102                 return slice.call( this );
 103         },
 104
 105         // Get the Nth element in the matched element set OR
 106         // Get the whole matched element set as a clean array
 107         get: function( num ) {
 108                 return num != null ?
 109
 110                         // Return just the one element from the set
 111                         ( num < 0 ? this[ num + this.length ] : this[ num ] ) :
 112
 113                         // Return all the elements in a clean array
 114                         slice.call( this );
 115         },
 116
 117         // Take an array of elements and push it onto the stack
 118         // (returning the new matched element set)
 119         pushStack: function( elems ) {
 120
 121                 // Build a new jQuery matched element set
 122                 var ret = jQuery.merge( this.constructor(), elems );
 123
 124                 // Add the old object onto the stack (as a reference)
 125                 ret.prevObject = this;
 126                 ret.context = this.context;
 127
 128                 // Return the newly-formed element set
 129                 return ret;
 130         },
 131
 132         // Execute a callback for every element in the matched set.
 133         // (You can seed the arguments with an array of args, but this is
 134         // only used internally.)
 135         each: function( callback, args ) {
 136                 return jQuery.each( this, callback, args );
 137         },
 138
 139         map: function( callback ) {
 140                 return this.pushStack( jQuery.map(this, function( elem, i ) {
 141                         return callback.call( elem, i, elem );
 142                 }));
 143         },
 144
 145         slice: function() {
 146                 return this.pushStack( slice.apply( this, arguments ) );
 147         },
 148
 149         first: function() {
 150                 return this.eq( 0 );
 151         },
 152
 153         last: function() {
 154                 return this.eq( -1 );
 155         },
 156
 157         eq: function( i ) {
 158                 var len = this.length,
 159                         j = +i + ( i < 0 ? len : 0 );
 160                 return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] );
 161         },
 162
 163         end: function() {
 164                 return this.prevObject || this.constructor(null);
 165         },
 166
 167         // For internal use only.
 168         // Behaves like an Array's method, not like a jQuery method.
 169         push: push,
 170         sort: deletedIds.sort,
 171         splice: deletedIds.splice
 172 };
 173
 174 jQuery.extend = jQuery.fn.extend = function() {
 175         var src, copyIsArray, copy, name, options, clone,
 176                 target = arguments[0] || {},
 177                 i = 1,
 178                 length = arguments.length,
 179                 deep = false;
 180
 181         // Handle a deep copy situation
 182         if ( typeof target === "boolean" ) {
 183                 deep = target;
 184
 185                 // skip the boolean and the target
 186                 target = arguments[ i ] || {};
 187                 i++;
 188         }
 189
 190         // Handle case when target is a string or something (possible in deep copy)
 191         if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
 192                 target = {};
 193         }
 194
 195         // extend jQuery itself if only one argument is passed
 196         if ( i === length ) {
 197                 target = this;
 198                 i--;
 199         }
 200
 201         for ( ; i < length; i++ ) {
 202                 // Only deal with non-null/undefined values
 203                 if ( (options = arguments[ i ]) != null ) {
 204                         // Extend the base object
 205                         for ( name in options ) {
 206                                 src = target[ name ];
 207                                 copy = options[ name ];
 208
 209                                 // Prevent never-ending loop
 210                                 if ( target === copy ) {
 211                                         continue;
 212                                 }
 213
 214                                 // Recurse if we're merging plain objects or arrays
 215                                 if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
 216                                         if ( copyIsArray ) {
 217                                                 copyIsArray = false;
 218                                                 clone = src && jQuery.isArray(src) ? src : [];
 219
 220                                         } else {
 221                                                 clone = src && jQuery.isPlainObject(src) ? src : {};
 222                                         }
 223
 224                                         // Never move original objects, clone them
 225                                         target[ name ] = jQuery.extend( deep, clone, copy );
 226
 227                                 // Don't bring in undefined values
 228                                 } else if ( copy !== undefined ) {
 229                                         target[ name ] = copy;
 230                                 }
 231                         }
 232                 }
 233         }
 234
 235         // Return the modified object
 236         return target;
 237 };
 238
 239 jQuery.extend({
 240         // Unique for each copy of jQuery on the page
 241         expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
 242
 243         // Assume jQuery is ready without the ready module
 244         isReady: true,
 245
 246         error: function( msg ) {
 247                 throw new Error( msg );
 248         },
 249
 250         noop: function() {},
 251
 252         // See test/unit/core.js for details concerning isFunction.
 253         // Since version 1.3, DOM methods and functions like alert
 254         // aren't supported. They return false on IE (#2968).
 255         isFunction: function( obj ) {
 256                 return jQuery.type(obj) === "function";
 257         },
 258
 259         isArray: Array.isArray || function( obj ) {
 260                 return jQuery.type(obj) === "array";
 261         },
 262
 263         isWindow: function( obj ) {
 264                 /* jshint eqeqeq: false */
 265                 return obj != null && obj == obj.window;
 266         },
 267
 268         isNumeric: function( obj ) {
 269                 // parseFloat NaNs numeric-cast false positives (null|true|false|"")
 270                 // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
 271                 // subtraction forces infinities to NaN
 272                 return !jQuery.isArray( obj ) && obj - parseFloat( obj ) >= 0;
 273         },
 274
 275         isEmptyObject: function( obj ) {
 276                 var name;
 277                 for ( name in obj ) {
 278                         return false;
 279                 }
 280                 return true;
 281         },
 282
 283         isPlainObject: function( obj ) {
 284                 var key;
 285
 286                 // Must be an Object.
 287                 // Because of IE, we also have to check the presence of the constructor property.
 288                 // Make sure that DOM nodes and window objects don't pass through, as well
 289                 if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
 290                         return false;
 291                 }
 292
 293                 try {
 294                         // Not own constructor property must be Object
 295                         if ( obj.constructor &&
 296                                 !hasOwn.call(obj, "constructor") &&
 297                                 !hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
 298                                 return false;
 299                         }
 300                 } catch ( e ) {
 301                         // IE8,9 Will throw exceptions on certain host objects #9897
 302                         return false;
 303                 }
 304
 305                 // Support: IE<9
 306                 // Handle iteration over inherited properties before own properties.
 307                 if ( support.ownLast ) {
 308                         for ( key in obj ) {
 309                                 return hasOwn.call( obj, key );
 310                         }
 311                 }
 312
 313                 // Own properties are enumerated firstly, so to speed up,
 314                 // if last one is own, then all properties are own.
 315                 for ( key in obj ) {}
 316
 317                 return key === undefined || hasOwn.call( obj, key );
 318         },
 319
 320         type: function( obj ) {
 321                 if ( obj == null ) {
 322                         return obj + "";
 323                 }
 324                 return typeof obj === "object" || typeof obj === "function" ?
 325                         class2type[ toString.call(obj) ] || "object" :
 326                         typeof obj;
 327         },
 328
 329         // Evaluates a script in a global context
 330         // Workarounds based on findings by Jim Driscoll
 331         // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
 332         globalEval: function( data ) {
 333                 if ( data && jQuery.trim( data ) ) {
 334                         // We use execScript on Internet Explorer
 335                         // We use an anonymous function so that context is window
 336                         // rather than jQuery in Firefox
 337                         ( window.execScript || function( data ) {
 338                                 window[ "eval" ].call( window, data );
 339                         } )( data );
 340                 }
 341         },
 342
 343         // Convert dashed to camelCase; used by the css and data modules
 344         // Microsoft forgot to hump their vendor prefix (#9572)
 345         camelCase: function( string ) {
 346                 return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
 347         },
 348
 349         nodeName: function( elem, name ) {
 350                 return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
 351         },
 352
 353         // args is for internal usage only
 354         each: function( obj, callback, args ) {
 355                 var value,
 356                         i = 0,
 357                         length = obj.length,
 358                         isArray = isArraylike( obj );
 359
 360                 if ( args ) {
 361                         if ( isArray ) {
 362                                 for ( ; i < length; i++ ) {
 363                                         value = callback.apply( obj[ i ], args );
 364
 365                                         if ( value === false ) {
 366                                                 break;
 367                                         }
 368                                 }
 369                         } else {
 370                                 for ( i in obj ) {
 371                                         value = callback.apply( obj[ i ], args );
 372
 373                                         if ( value === false ) {
 374                                                 break;
 375                                         }
 376                                 }
 377                         }
 378
 379                 // A special, fast, case for the most common use of each
 380                 } else {
 381                         if ( isArray ) {
 382                                 for ( ; i < length; i++ ) {
 383                                         value = callback.call( obj[ i ], i, obj[ i ] );
 384
 385                                         if ( value === false ) {
 386                                                 break;
 387                                         }
 388                                 }
 389                         } else {
 390                                 for ( i in obj ) {
 391                                         value = callback.call( obj[ i ], i, obj[ i ] );
 392
 393                                         if ( value === false ) {
 394                                                 break;
 395                                         }
 396                                 }
 397                         }
 398                 }
 399
 400                 return obj;
 401         },
 402
 403         // Support: Android<4.1, IE<9
 404         trim: function( text ) {
 405                 return text == null ?
 406                         "" :
 407                         ( text + "" ).replace( rtrim, "" );
 408         },
 409
 410         // results is for internal usage only
 411         makeArray: function( arr, results ) {
 412                 var ret = results || [];
 413
 414                 if ( arr != null ) {
 415                         if ( isArraylike( Object(arr) ) ) {
 416                                 jQuery.merge( ret,
 417                                         typeof arr === "string" ?
 418                                         [ arr ] : arr
 419                                 );
 420                         } else {
 421                                 push.call( ret, arr );
 422                         }
 423                 }
 424
 425                 return ret;
 426         },
 427
 428         inArray: function( elem, arr, i ) {
 429                 var len;
 430
 431                 if ( arr ) {
 432                         if ( indexOf ) {
 433                                 return indexOf.call( arr, elem, i );
 434                         }
 435
 436                         len = arr.length;
 437                         i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;
 438
 439                         for ( ; i < len; i++ ) {
 440                                 // Skip accessing in sparse arrays
 441                                 if ( i in arr && arr[ i ] === elem ) {
 442                                         return i;
 443                                 }
 444                         }
 445                 }
 446
 447                 return -1;
 448         },
 449
 450         merge: function( first, second ) {
 451                 var len = +second.length,
 452                         j = 0,
 453                         i = first.length;
 454
 455                 while ( j < len ) {
 456                         first[ i++ ] = second[ j++ ];
 457                 }
 458
 459                 // Support: IE<9
 460                 // Workaround casting of .length to NaN on otherwise arraylike objects (e.g., NodeLists)
 461                 if ( len !== len ) {
 462                         while ( second[j] !== undefined ) {
 463                                 first[ i++ ] = second[ j++ ];
 464                         }
 465                 }
 466
 467                 first.length = i;
 468
 469                 return first;
 470         },
 471
 472         grep: function( elems, callback, invert ) {
 473                 var callbackInverse,
 474                         matches = [],
 475                         i = 0,
 476                         length = elems.length,
 477                         callbackExpect = !invert;
 478
 479                 // Go through the array, only saving the items
 480                 // that pass the validator function
 481                 for ( ; i < length; i++ ) {
 482                         callbackInverse = !callback( elems[ i ], i );
 483                         if ( callbackInverse !== callbackExpect ) {
 484                                 matches.push( elems[ i ] );
 485                         }
 486                 }
 487
 488                 return matches;
 489         },
 490
 491         // arg is for internal usage only
 492         map: function( elems, callback, arg ) {
 493                 var value,
 494                         i = 0,
 495                         length = elems.length,
 496                         isArray = isArraylike( elems ),
 497                         ret = [];
 498
 499                 // Go through the array, translating each of the items to their new values
 500                 if ( isArray ) {
 501                         for ( ; i < length; i++ ) {
 502                                 value = callback( elems[ i ], i, arg );
 503
 504                                 if ( value != null ) {
 505                                         ret.push( value );
 506                                 }
 507                         }
 508
 509                 // Go through every key on the object,
 510                 } else {
 511                         for ( i in elems ) {
 512                                 value = callback( elems[ i ], i, arg );
 513
 514                                 if ( value != null ) {
 515                                         ret.push( value );
 516                                 }
 517                         }
 518                 }
 519
 520                 // Flatten any nested arrays
 521                 return concat.apply( [], ret );
 522         },
 523
 524         // A global GUID counter for objects
 525         guid: 1,
 526
 527         // Bind a function to a context, optionally partially applying any
 528         // arguments.
 529         proxy: function( fn, context ) {
 530                 var args, proxy, tmp;
 531
 532                 if ( typeof context === "string" ) {
 533                         tmp = fn[ context ];
 534                         context = fn;
 535                         fn = tmp;
 536                 }
 537
 538                 // Quick check to determine if target is callable, in the spec
 539                 // this throws a TypeError, but we will just return undefined.
 540                 if ( !jQuery.isFunction( fn ) ) {
 541                         return undefined;
 542                 }
 543
 544                 // Simulated bind
 545                 args = slice.call( arguments, 2 );
 546                 proxy = function() {
 547                         return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
 548                 };
 549
 550                 // Set the guid of unique handler to the same of original handler, so it can be removed
 551                 proxy.guid = fn.guid = fn.guid || jQuery.guid++;
 552
 553                 return proxy;
 554         },
 555
 556         now: function() {
 557                 return +( new Date() );
 558         },
 559
 560         // jQuery.support is not used in Core but other projects attach their
 561         // properties to it so it needs to exist.
 562         support: support
 563 });
 564
 565 // Populate the class2type map
 566 jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
 567         class2type[ "[object " + name + "]" ] = name.toLowerCase();
 568 });
 569
 570 function isArraylike( obj ) {
 571         var length = obj.length,
 572                 type = jQuery.type( obj );
 573
 574         if ( type === "function" || jQuery.isWindow( obj ) ) {
 575                 return false;
 576         }
 577
 578         if ( obj.nodeType === 1 && length ) {
 579                 return true;
 580         }
 581
 582         return type === "array" || length === 0 ||
 583                 typeof length === "number" && length > 0 && ( length - 1 ) in obj;
 584 }
 585 var Sizzle =
 586 /*!
 587  * Sizzle CSS Selector Engine v1.10.19
 588  * http://sizzlejs.com/
 589  *
 590  * Copyright 2013 jQuery Foundation, Inc. and other contributors
 591  * Released under the MIT license
 592  * http://jquery.org/license
 593  *
 594  * Date: 2014-04-18
 595  */
 596 (function( window ) {
 597
 598 var i,
 599         support,
 600         Expr,
 601         getText,
 602         isXML,
 603         tokenize,
 604         compile,
 605         select,
 606         outermostContext,
 607         sortInput,
 608         hasDuplicate,
 609
 610         // Local document vars
 611         setDocument,
 612         document,
 613         docElem,
 614         documentIsHTML,
 615         rbuggyQSA,
 616         rbuggyMatches,
 617         matches,
 618         contains,
 619
 620         // Instance-specific data
 621         expando = "sizzle" + -(new Date()),
 622         preferredDoc = window.document,
 623         dirruns = 0,
 624         done = 0,
 625         classCache = createCache(),
 626         tokenCache = createCache(),
 627         compilerCache = createCache(),
 628         sortOrder = function( a, b ) {
 629                 if ( a === b ) {
 630                         hasDuplicate = true;
 631                 }
 632                 return 0;
 633         },
 634
 635         // General-purpose constants
 636         strundefined = typeof undefined,
 637         MAX_NEGATIVE = 1 << 31,
 638
 639         // Instance methods
 640         hasOwn = ({}).hasOwnProperty,
 641         arr = [],
 642         pop = arr.pop,
 643         push_native = arr.push,
 644         push = arr.push,
 645         slice = arr.slice,
 646         // Use a stripped-down indexOf if we can't use a native one
 647         indexOf = arr.indexOf || function( elem ) {
 648                 var i = 0,
 649                         len = this.length;
 650                 for ( ; i < len; i++ ) {
 651                         if ( this[i] === elem ) {
 652                                 return i;
 653                         }
 654                 }
 655                 return -1;
 656         },
 657
 658         booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
 659
 660         // Regular expressions
 661
 662         // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace
 663         whitespace = "[\\x20\\t\\r\\n\\f]",
 664         // http://www.w3.org/TR/css3-syntax/#characters
 665         characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
 666
 667         // Loosely modeled on CSS identifier characters
 668         // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors
 669         // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
 670         identifier = characterEncoding.replace( "w", "w#" ),
 671
 672         // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
 673         attributes = "\\[" + whitespace + "*(" + characterEncoding + ")(?:" + whitespace +
 674                 // Operator (capture 2)
 675                 "*([*^$|!~]?=)" + whitespace +
 676                 // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
 677                 "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
 678                 "*\\]",
 679
 680         pseudos = ":(" + characterEncoding + ")(?:\\((" +
 681                 // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
 682                 // 1. quoted (capture 3; capture 4 or capture 5)
 683                 "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
 684                 // 2. simple (capture 6)
 685                 "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
 686                 // 3. anything else (capture 2)
 687                 ".*" +
 688                 ")\\)|)",
 689
 690         // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
 691         rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
 692
 693         rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
 694         rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
 695
 696         rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
 697
 698         rpseudo = new RegExp( pseudos ),
 699         ridentifier = new RegExp( "^" + identifier + "$" ),
 700
 701         matchExpr = {
 702                 "ID": new RegExp( "^#(" + characterEncoding + ")" ),
 703                 "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ),
 704                 "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ),
 705                 "ATTR": new RegExp( "^" + attributes ),
 706                 "PSEUDO": new RegExp( "^" + pseudos ),
 707                 "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
 708                         "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
 709                         "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
 710                 "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
 711                 // For use in libraries implementing .is()
 712                 // We use this for POS matching in `select`
 713                 "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
 714                         whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
 715         },
 716
 717         rinputs = /^(?:input|select|textarea|button)$/i,
 718         rheader = /^h\d$/i,
 719
 720         rnative = /^[^{]+\{\s*\[native \w/,
 721
 722         // Easily-parseable/retrievable ID or TAG or CLASS selectors
 723         rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
 724
 725         rsibling = /[+~]/,
 726         rescape = /'|\\/g,
 727
 728         // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
 729         runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
 730         funescape = function( _, escaped, escapedWhitespace ) {
 731                 var high = "0x" + escaped - 0x10000;
 732                 // NaN means non-codepoint
 733                 // Support: Firefox<24
 734                 // Workaround erroneous numeric interpretation of +"0x"
 735                 return high !== high || escapedWhitespace ?
 736                         escaped :
 737                         high < 0 ?
 738                                 // BMP codepoint
 739                                 String.fromCharCode( high + 0x10000 ) :
 740                                 // Supplemental Plane codepoint (surrogate pair)
 741                                 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
 742         };
 743
 744 // Optimize for push.apply( _, NodeList )
 745 try {
 746         push.apply(
 747                 (arr = slice.call( preferredDoc.childNodes )),
 748                 preferredDoc.childNodes
 749         );
 750         // Support: Android<4.0
 751         // Detect silently failing push.apply
 752         arr[ preferredDoc.childNodes.length ].nodeType;
 753 } catch ( e ) {
 754         push = { apply: arr.length ?
 755
 756                 // Leverage slice if possible
 757                 function( target, els ) {
 758                         push_native.apply( target, slice.call(els) );
 759                 } :
 760
 761                 // Support: IE<9
 762                 // Otherwise append directly
 763                 function( target, els ) {
 764                         var j = target.length,
 765                                 i = 0;
 766                         // Can't trust NodeList.length
 767                         while ( (target[j++] = els[i++]) ) {}
 768                         target.length = j - 1;
 769                 }
 770         };
 771 }
 772
 773 function Sizzle( selector, context, results, seed ) {
 774         var match, elem, m, nodeType,
 775                 // QSA vars
 776                 i, groups, old, nid, newContext, newSelector;
 777
 778         if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
 779                 setDocument( context );
 780         }
 781
 782         context = context || document;
 783         results = results || [];
 784
 785         if ( !selector || typeof selector !== "string" ) {
 786                 return results;
 787         }
 788
 789         if ( (nodeType = context.nodeType) !== 1 && nodeType !== 9 ) {
 790                 return [];
 791         }
 792
 793         if ( documentIsHTML && !seed ) {
 794
 795                 // Shortcuts
 796                 if ( (match = rquickExpr.exec( selector )) ) {
 797                         // Speed-up: Sizzle("#ID")
 798                         if ( (m = match[1]) ) {
 799                                 if ( nodeType === 9 ) {
 800                                         elem = context.getElementById( m );
 801                                         // Check parentNode to catch when Blackberry 4.6 returns
 802                                         // nodes that are no longer in the document (jQuery #6963)
 803                                         if ( elem && elem.parentNode ) {
 804                                                 // Handle the case where IE, Opera, and Webkit return items
 805                                                 // by name instead of ID
 806                                                 if ( elem.id === m ) {
 807                                                         results.push( elem );
 808                                                         return results;
 809                                                 }
 810                                         } else {
 811                                                 return results;
 812                                         }
 813                                 } else {
 814                                         // Context is not a document
 815                                         if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&
 816                                                 contains( context, elem ) && elem.id === m ) {
 817                                                 results.push( elem );
 818                                                 return results;
 819                                         }
 820                                 }
 821
 822                         // Speed-up: Sizzle("TAG")
 823                         } else if ( match[2] ) {
 824                                 push.apply( results, context.getElementsByTagName( selector ) );
 825                                 return results;
 826
 827                         // Speed-up: Sizzle(".CLASS")
 828                         } else if ( (m = match[3]) && support.getElementsByClassName && context.getElementsByClassName ) {
 829                                 push.apply( results, context.getElementsByClassName( m ) );
 830                                 return results;
 831                         }
 832                 }
 833
 834                 // QSA path
 835                 if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
 836                         nid = old = expando;
 837                         newContext = context;
 838                         newSelector = nodeType === 9 && selector;
 839
 840                         // qSA works strangely on Element-rooted queries
 841                         // We can work around this by specifying an extra ID on the root
 842                         // and working up from there (Thanks to Andrew Dupont for the technique)
 843                         // IE 8 doesn't work on object elements
 844                         if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
 845                                 groups = tokenize( selector );
 846
 847                                 if ( (old = context.getAttribute("id")) ) {
 848                                         nid = old.replace( rescape, "\\$&" );
 849                                 } else {
 850                                         context.setAttribute( "id", nid );
 851                                 }
 852                                 nid = "[id='" + nid + "'] ";
 853
 854                                 i = groups.length;
 855                                 while ( i-- ) {
 856                                         groups[i] = nid + toSelector( groups[i] );
 857                                 }
 858                                 newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context;
 859                                 newSelector = groups.join(",");
 860                         }
 861
 862                         if ( newSelector ) {
 863                                 try {
 864                                         push.apply( results,
 865                                                 newContext.querySelectorAll( newSelector )
 866                                         );
 867                                         return results;
 868                                 } catch(qsaError) {
 869                                 } finally {
 870                                         if ( !old ) {
 871                                                 context.removeAttribute("id");
 872                                         }
 873                                 }
 874                         }
 875                 }
 876         }
 877
 878         // All others
 879         return select( selector.replace( rtrim, "$1" ), context, results, seed );
 880 }
 881
 882 /**
 883  * Create key-value caches of limited size
 884  * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
 885  *      property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
 886  *      deleting the oldest entry
 887  */
 888 function createCache() {
 889         var keys = [];
 890
 891         function cache( key, value ) {
 892                 // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
 893                 if ( keys.push( key + " " ) > Expr.cacheLength ) {
 894                         // Only keep the most recent entries
 895                         delete cache[ keys.shift() ];
 896                 }
 897                 return (cache[ key + " " ] = value);
 898         }
 899         return cache;
 900 }
 901
 902 /**
 903  * Mark a function for special use by Sizzle
 904  * @param {Function} fn The function to mark
 905  */
 906 function markFunction( fn ) {
 907         fn[ expando ] = true;
 908         return fn;
 909 }
 910
 911 /**
 912  * Support testing using an element
 913  * @param {Function} fn Passed the created div and expects a boolean result
 914  */
 915 function assert( fn ) {
 916         var div = document.createElement("div");
 917
 918         try {
 919                 return !!fn( div );
 920         } catch (e) {
 921                 return false;
 922         } finally {
 923                 // Remove from its parent by default
 924                 if ( div.parentNode ) {
 925                         div.parentNode.removeChild( div );
 926                 }
 927                 // release memory in IE
 928                 div = null;
 929         }
 930 }
 931
 932 /**
 933  * Adds the same handler for all of the specified attrs
 934  * @param {String} attrs Pipe-separated list of attributes
 935  * @param {Function} handler The method that will be applied
 936  */
 937 function addHandle( attrs, handler ) {
 938         var arr = attrs.split("|"),
 939                 i = attrs.length;
 940
 941         while ( i-- ) {
 942                 Expr.attrHandle[ arr[i] ] = handler;
 943         }
 944 }
 945
 946 /**
 947  * Checks document order of two siblings
 948  * @param {Element} a
 949  * @param {Element} b
 950  * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
 951  */
 952 function siblingCheck( a, b ) {
 953         var cur = b && a,
 954                 diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
 955                         ( ~b.sourceIndex || MAX_NEGATIVE ) -
 956                         ( ~a.sourceIndex || MAX_NEGATIVE );
 957
 958         // Use IE sourceIndex if available on both nodes
 959         if ( diff ) {
 960                 return diff;
 961         }
 962
 963         // Check if b follows a
 964         if ( cur ) {
 965                 while ( (cur = cur.nextSibling) ) {
 966                         if ( cur === b ) {
 967                                 return -1;
 968                         }
 969                 }
 970         }
 971
 972         return a ? 1 : -1;
 973 }
 974
 975 /**
 976  * Returns a function to use in pseudos for input types
 977  * @param {String} type
 978  */
 979 function createInputPseudo( type ) {
 980         return function( elem ) {
 981                 var name = elem.nodeName.toLowerCase();
 982                 return name === "input" && elem.type === type;
 983         };
 984 }
 985
 986 /**
 987  * Returns a function to use in pseudos for buttons
 988  * @param {String} type
 989  */
 990 function createButtonPseudo( type ) {
 991         return function( elem ) {
 992                 var name = elem.nodeName.toLowerCase();
 993                 return (name === "input" || name === "button") && elem.type === type;
 994         };
 995 }
 996
 997 /**
 998  * Returns a function to use in pseudos for positionals
 999  * @param {Function} fn
1000  */
1001 function createPositionalPseudo( fn ) {
1002         return markFunction(function( argument ) {
1003                 argument = +argument;
1004                 return markFunction(function( seed, matches ) {
1005                         var j,
1006                                 matchIndexes = fn( [], seed.length, argument ),
1007                                 i = matchIndexes.length;
1008
1009                         // Match elements found at the specified indexes
1010                         while ( i-- ) {
1011                                 if ( seed[ (j = matchIndexes[i]) ] ) {
1012                                         seed[j] = !(matches[j] = seed[j]);
1013                                 }
1014                         }
1015                 });
1016         });
1017 }
1018
1019 /**
1020  * Checks a node for validity as a Sizzle context
1021  * @param {Element|Object=} context
1022  * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1023  */
1024 function testContext( context ) {
1025         return context && typeof context.getElementsByTagName !== strundefined && context;
1026 }
1027
1028 // Expose support vars for convenience
1029 support = Sizzle.support = {};
1030
1031 /**
1032  * Detects XML nodes
1033  * @param {Element|Object} elem An element or a document
1034  * @returns {Boolean} True iff elem is a non-HTML XML node
1035  */
1036 isXML = Sizzle.isXML = function( elem ) {
1037         // documentElement is verified for cases where it doesn't yet exist
1038         // (such as loading iframes in IE - #4833)
1039         var documentElement = elem && (elem.ownerDocument || elem).documentElement;
1040         return documentElement ? documentElement.nodeName !== "HTML" : false;
1041 };
1042
1043 /**
1044  * Sets document-related variables once based on the current document
1045  * @param {Element|Object} [doc] An element or document object to use to set the document
1046  * @returns {Object} Returns the current document
1047  */
1048 setDocument = Sizzle.setDocument = function( node ) {
1049         var hasCompare,
1050                 doc = node ? node.ownerDocument || node : preferredDoc,
1051                 parent = doc.defaultView;
1052
1053         // If no document and documentElement is available, return
1054         if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
1055                 return document;
1056         }
1057
1058         // Set our document
1059         document = doc;
1060         docElem = doc.documentElement;
1061
1062         // Support tests
1063         documentIsHTML = !isXML( doc );
1064
1065         // Support: IE>8
1066         // If iframe document is assigned to "document" variable and if iframe has been reloaded,
1067         // IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936
1068         // IE6-8 do not support the defaultView property so parent will be undefined
1069         if ( parent && parent !== parent.top ) {
1070                 // IE11 does not have attachEvent, so all must suffer
1071                 if ( parent.addEventListener ) {
1072                         parent.addEventListener( "unload", function() {
1073                                 setDocument();
1074                         }, false );
1075                 } else if ( parent.attachEvent ) {
1076                         parent.attachEvent( "onunload", function() {
1077                                 setDocument();
1078                         });
1079                 }
1080         }
1081
1082         /* Attributes
1083         ---------------------------------------------------------------------- */
1084
1085         // Support: IE<8
1086         // Verify that getAttribute really returns attributes and not properties (excepting IE8 booleans)
1087         support.attributes = assert(function( div ) {
1088                 div.className = "i";
1089                 return !div.getAttribute("className");
1090         });
1091
1092         /* getElement(s)By*
1093         ---------------------------------------------------------------------- */
1094
1095         // Check if getElementsByTagName("*") returns only elements
1096         support.getElementsByTagName = assert(function( div ) {
1097                 div.appendChild( doc.createComment("") );
1098                 return !div.getElementsByTagName("*").length;
1099         });
1100
1101         // Check if getElementsByClassName can be trusted
1102         support.getElementsByClassName = rnative.test( doc.getElementsByClassName ) && assert(function( div ) {
1103                 div.innerHTML = "<div class='a'></div><div class='a i'></div>";
1104
1105                 // Support: Safari<4
1106                 // Catch class over-caching
1107                 div.firstChild.className = "i";
1108                 // Support: Opera<10
1109                 // Catch gEBCN failure to find non-leading classes
1110                 return div.getElementsByClassName("i").length === 2;
1111         });
1112
1113         // Support: IE<10
1114         // Check if getElementById returns elements by name
1115         // The broken getElementById methods don't pick up programatically-set names,
1116         // so use a roundabout getElementsByName test
1117         support.getById = assert(function( div ) {
1118                 docElem.appendChild( div ).id = expando;
1119                 return !doc.getElementsByName || !doc.getElementsByName( expando ).length;
1120         });
1121
1122         // ID find and filter
1123         if ( support.getById ) {
1124                 Expr.find["ID"] = function( id, context ) {
1125                         if ( typeof context.getElementById !== strundefined && documentIsHTML ) {
1126                                 var m = context.getElementById( id );
1127                                 // Check parentNode to catch when Blackberry 4.6 returns
1128                                 // nodes that are no longer in the document #6963
1129                                 return m && m.parentNode ? [ m ] : [];
1130                         }
1131                 };
1132                 Expr.filter["ID"] = function( id ) {
1133                         var attrId = id.replace( runescape, funescape );
1134                         return function( elem ) {
1135                                 return elem.getAttribute("id") === attrId;
1136                         };
1137                 };
1138         } else {
1139                 // Support: IE6/7
1140                 // getElementById is not reliable as a find shortcut
1141                 delete Expr.find["ID"];
1142
1143                 Expr.filter["ID"] =  function( id ) {
1144                         var attrId = id.replace( runescape, funescape );
1145                         return function( elem ) {
1146                                 var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id");
1147                                 return node && node.value === attrId;
1148                         };
1149                 };
1150         }
1151
1152         // Tag
1153         Expr.find["TAG"] = support.getElementsByTagName ?
1154                 function( tag, context ) {
1155                         if ( typeof context.getElementsByTagName !== strundefined ) {
1156                                 return context.getElementsByTagName( tag );
1157                         }
1158                 } :
1159                 function( tag, context ) {
1160                         var elem,
1161                                 tmp = [],
1162                                 i = 0,
1163                                 results = context.getElementsByTagName( tag );
1164
1165                         // Filter out possible comments
1166                         if ( tag === "*" ) {
1167                                 while ( (elem = results[i++]) ) {
1168                                         if ( elem.nodeType === 1 ) {
1169                                                 tmp.push( elem );
1170                                         }
1171                                 }
1172
1173                                 return tmp;
1174                         }
1175                         return results;
1176                 };
1177
1178         // Class
1179         Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
1180                 if ( typeof context.getElementsByClassName !== strundefined && documentIsHTML ) {
1181                         return context.getElementsByClassName( className );
1182                 }
1183         };
1184
1185         /* QSA/matchesSelector
1186         ---------------------------------------------------------------------- */
1187
1188         // QSA and matchesSelector support
1189
1190         // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1191         rbuggyMatches = [];
1192
1193         // qSa(:focus) reports false when true (Chrome 21)
1194         // We allow this because of a bug in IE8/9 that throws an error
1195         // whenever `document.activeElement` is accessed on an iframe
1196         // So, we allow :focus to pass through QSA all the time to avoid the IE error
1197         // See http://bugs.jquery.com/ticket/13378
1198         rbuggyQSA = [];
1199
1200         if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) {
1201                 // Build QSA regex
1202                 // Regex strategy adopted from Diego Perini
1203                 assert(function( div ) {
1204                         // Select is set to empty string on purpose
1205                         // This is to test IE's treatment of not explicitly
1206                         // setting a boolean content attribute,
1207                         // since its presence should be enough
1208                         // http://bugs.jquery.com/ticket/12359
1209                         div.innerHTML = "<select msallowclip=''><option selected=''></option></select>";
1210
1211                         // Support: IE8, Opera 11-12.16
1212                         // Nothing should be selected when empty strings follow ^= or $= or *=
1213                         // The test attribute must be unknown in Opera but "safe" for WinRT
1214                         // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
1215                         if ( div.querySelectorAll("[msallowclip^='']").length ) {
1216                                 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1217                         }
1218
1219                         // Support: IE8
1220                         // Boolean attributes and "value" are not treated correctly
1221                         if ( !div.querySelectorAll("[selected]").length ) {
1222                                 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1223                         }
1224
1225                         // Webkit/Opera - :checked should return selected option elements
1226                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1227                         // IE8 throws error here and will not see later tests
1228                         if ( !div.querySelectorAll(":checked").length ) {
1229                                 rbuggyQSA.push(":checked");
1230                         }
1231                 });
1232
1233                 assert(function( div ) {
1234                         // Support: Windows 8 Native Apps
1235                         // The type and name attributes are restricted during .innerHTML assignment
1236                         var input = doc.createElement("input");
1237                         input.setAttribute( "type", "hidden" );
1238                         div.appendChild( input ).setAttribute( "name", "D" );
1239
1240                         // Support: IE8
1241                         // Enforce case-sensitivity of name attribute
1242                         if ( div.querySelectorAll("[name=d]").length ) {
1243                                 rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1244                         }
1245
1246                         // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1247                         // IE8 throws error here and will not see later tests
1248                         if ( !div.querySelectorAll(":enabled").length ) {
1249                                 rbuggyQSA.push( ":enabled", ":disabled" );
1250                         }
1251
1252                         // Opera 10-11 does not throw on post-comma invalid pseudos
1253                         div.querySelectorAll("*,:x");
1254                         rbuggyQSA.push(",.*:");
1255                 });
1256         }
1257
1258         if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
1259                 docElem.webkitMatchesSelector ||
1260                 docElem.mozMatchesSelector ||
1261                 docElem.oMatchesSelector ||
1262                 docElem.msMatchesSelector) )) ) {
1263
1264                 assert(function( div ) {
1265                         // Check to see if it's possible to do matchesSelector
1266                         // on a disconnected node (IE 9)
1267                         support.disconnectedMatch = matches.call( div, "div" );
1268
1269                         // This should fail with an exception
1270                         // Gecko does not error, returns false instead
1271                         matches.call( div, "[s!='']:x" );
1272                         rbuggyMatches.push( "!=", pseudos );
1273                 });
1274         }
1275
1276         rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
1277         rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
1278
1279         /* Contains
1280         ---------------------------------------------------------------------- */
1281         hasCompare = rnative.test( docElem.compareDocumentPosition );
1282
1283         // Element contains another
1284         // Purposefully does not implement inclusive descendent
1285         // As in, an element does not contain itself
1286         contains = hasCompare || rnative.test( docElem.contains ) ?
1287                 function( a, b ) {
1288                         var adown = a.nodeType === 9 ? a.documentElement : a,
1289                                 bup = b && b.parentNode;
1290                         return a === bup || !!( bup && bup.nodeType === 1 && (
1291                                 adown.contains ?
1292                                         adown.contains( bup ) :
1293                                         a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1294                         ));
1295                 } :
1296                 function( a, b ) {
1297                         if ( b ) {
1298                                 while ( (b = b.parentNode) ) {
1299                                         if ( b === a ) {
1300                                                 return true;
1301                                         }
1302                                 }
1303                         }
1304                         return false;
1305                 };
1306
1307         /* Sorting
1308         ---------------------------------------------------------------------- */
1309
1310         // Document order sorting
1311         sortOrder = hasCompare ?
1312         function( a, b ) {
1313
1314                 // Flag for duplicate removal
1315                 if ( a === b ) {
1316                         hasDuplicate = true;
1317                         return 0;
1318                 }
1319
1320                 // Sort on method existence if only one input has compareDocumentPosition
1321                 var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1322                 if ( compare ) {
1323                         return compare;
1324                 }
1325
1326                 // Calculate position if both inputs belong to the same document
1327                 compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
1328                         a.compareDocumentPosition( b ) :
1329
1330                         // Otherwise we know they are disconnected
1331                         1;
1332
1333                 // Disconnected nodes
1334                 if ( compare & 1 ||
1335                         (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
1336
1337                         // Choose the first element that is related to our preferred document
1338                         if ( a === doc || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
1339                                 return -1;
1340                         }
1341                         if ( b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
1342                                 return 1;
1343                         }
1344
1345                         // Maintain original order
1346                         return sortInput ?
1347                                 ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
1348                                 0;
1349                 }
1350
1351                 return compare & 4 ? -1 : 1;
1352         } :
1353         function( a, b ) {
1354                 // Exit early if the nodes are identical
1355                 if ( a === b ) {
1356                         hasDuplicate = true;
1357                         return 0;
1358                 }
1359
1360                 var cur,
1361                         i = 0,
1362                         aup = a.parentNode,
1363                         bup = b.parentNode,
1364                         ap = [ a ],
1365                         bp = [ b ];
1366
1367                 // Parentless nodes are either documents or disconnected
1368                 if ( !aup || !bup ) {
1369                         return a === doc ? -1 :
1370                                 b === doc ? 1 :
1371                                 aup ? -1 :
1372                                 bup ? 1 :
1373                                 sortInput ?
1374                                 ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
1375                                 0;
1376
1377                 // If the nodes are siblings, we can do a quick check
1378                 } else if ( aup === bup ) {
1379                         return siblingCheck( a, b );
1380                 }
1381
1382                 // Otherwise we need full lists of their ancestors for comparison
1383                 cur = a;
1384                 while ( (cur = cur.parentNode) ) {
1385                         ap.unshift( cur );
1386                 }
1387                 cur = b;
1388                 while ( (cur = cur.parentNode) ) {
1389                         bp.unshift( cur );
1390                 }
1391
1392                 // Walk down the tree looking for a discrepancy
1393                 while ( ap[i] === bp[i] ) {
1394                         i++;
1395                 }
1396
1397                 return i ?
1398                         // Do a sibling check if the nodes have a common ancestor
1399                         siblingCheck( ap[i], bp[i] ) :
1400
1401                         // Otherwise nodes in our document sort first
1402                         ap[i] === preferredDoc ? -1 :
1403                         bp[i] === preferredDoc ? 1 :
1404                         0;
1405         };
1406
1407         return doc;
1408 };
1409
1410 Sizzle.matches = function( expr, elements ) {
1411         return Sizzle( expr, null, null, elements );
1412 };
1413
1414 Sizzle.matchesSelector = function( elem, expr ) {
1415         // Set document vars if needed
1416         if ( ( elem.ownerDocument || elem ) !== document ) {
1417                 setDocument( elem );
1418         }
1419
1420         // Make sure that attribute selectors are quoted
1421         expr = expr.replace( rattributeQuotes, "='$1']" );
1422
1423         if ( support.matchesSelector && documentIsHTML &&
1424                 ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1425                 ( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
1426
1427                 try {
1428                         var ret = matches.call( elem, expr );
1429
1430                         // IE 9's matchesSelector returns false on disconnected nodes
1431                         if ( ret || support.disconnectedMatch ||
1432                                         // As well, disconnected nodes are said to be in a document
1433                                         // fragment in IE 9
1434                                         elem.document && elem.document.nodeType !== 11 ) {
1435                                 return ret;
1436                         }
1437                 } catch(e) {}
1438         }
1439
1440         return Sizzle( expr, document, null, [ elem ] ).length > 0;
1441 };
1442
1443 Sizzle.contains = function( context, elem ) {
1444         // Set document vars if needed
1445         if ( ( context.ownerDocument || context ) !== document ) {
1446                 setDocument( context );
1447         }
1448         return contains( context, elem );
1449 };
1450
1451 Sizzle.attr = function( elem, name ) {
1452         // Set document vars if needed
1453         if ( ( elem.ownerDocument || elem ) !== document ) {
1454                 setDocument( elem );
1455         }
1456
1457         var fn = Expr.attrHandle[ name.toLowerCase() ],
1458                 // Don't get fooled by Object.prototype properties (jQuery #13807)
1459                 val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1460                         fn( elem, name, !documentIsHTML ) :
1461                         undefined;
1462
1463         return val !== undefined ?
1464                 val :
1465                 support.attributes || !documentIsHTML ?
1466                         elem.getAttribute( name ) :
1467                         (val = elem.getAttributeNode(name)) && val.specified ?
1468                                 val.value :
1469                                 null;
1470 };
1471
1472 Sizzle.error = function( msg ) {
1473         throw new Error( "Syntax error, unrecognized expression: " + msg );
1474 };
1475
1476 /**
1477  * Document sorting and removing duplicates
1478  * @param {ArrayLike} results
1479  */
1480 Sizzle.uniqueSort = function( results ) {
1481         var elem,
1482                 duplicates = [],
1483                 j = 0,
1484                 i = 0;
1485
1486         // Unless we *know* we can detect duplicates, assume their presence
1487         hasDuplicate = !support.detectDuplicates;
1488         sortInput = !support.sortStable && results.slice( 0 );
1489         results.sort( sortOrder );
1490
1491         if ( hasDuplicate ) {
1492                 while ( (elem = results[i++]) ) {
1493                         if ( elem === results[ i ] ) {
1494                                 j = duplicates.push( i );
1495                         }
1496                 }
1497                 while ( j-- ) {
1498                         results.splice( duplicates[ j ], 1 );
1499                 }
1500         }
1501
1502         // Clear input after sorting to release objects
1503         // See https://github.com/jquery/sizzle/pull/225
1504         sortInput = null;
1505
1506         return results;
1507 };
1508
1509 /**
1510  * Utility function for retrieving the text value of an array of DOM nodes
1511  * @param {Array|Element} elem
1512  */
1513 getText = Sizzle.getText = function( elem ) {
1514         var node,
1515                 ret = "",
1516                 i = 0,
1517                 nodeType = elem.nodeType;
1518
1519         if ( !nodeType ) {
1520                 // If no nodeType, this is expected to be an array
1521                 while ( (node = elem[i++]) ) {
1522                         // Do not traverse comment nodes
1523                         ret += getText( node );
1524                 }
1525         } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1526                 // Use textContent for elements
1527                 // innerText usage removed for consistency of new lines (jQuery #11153)
1528                 if ( typeof elem.textContent === "string" ) {
1529                         return elem.textContent;
1530                 } else {
1531                         // Traverse its children
1532                         for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1533                                 ret += getText( elem );
1534                         }
1535                 }
1536         } else if ( nodeType === 3 || nodeType === 4 ) {
1537                 return elem.nodeValue;
1538         }
1539         // Do not include comment or processing instruction nodes
1540
1541         return ret;
1542 };
1543
1544 Expr = Sizzle.selectors = {
1545
1546         // Can be adjusted by the user
1547         cacheLength: 50,
1548
1549         createPseudo: markFunction,
1550
1551         match: matchExpr,
1552
1553         attrHandle: {},
1554
1555         find: {},
1556
1557         relative: {
1558                 ">": { dir: "parentNode", first: true },
1559                 " ": { dir: "parentNode" },
1560                 "+": { dir: "previousSibling", first: true },
1561                 "~": { dir: "previousSibling" }
1562         },
1563
1564         preFilter: {
1565                 "ATTR": function( match ) {
1566                         match[1] = match[1].replace( runescape, funescape );
1567
1568                         // Move the given value to match[3] whether quoted or unquoted
1569                         match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
1570
1571                         if ( match[2] === "~=" ) {
1572                                 match[3] = " " + match[3] + " ";
1573                         }
1574
1575                         return match.slice( 0, 4 );
1576                 },
1577
1578                 "CHILD": function( match ) {
1579                         /* matches from matchExpr["CHILD"]
1580                                 1 type (only|nth|...)
1581                                 2 what (child|of-type)
1582                                 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1583                                 4 xn-component of xn+y argument ([+-]?\d*n|)
1584                                 5 sign of xn-component
1585                                 6 x of xn-component
1586                                 7 sign of y-component
1587                                 8 y of y-component
1588                         */
1589                         match[1] = match[1].toLowerCase();
1590
1591                         if ( match[1].slice( 0, 3 ) === "nth" ) {
1592                                 // nth-* requires argument
1593                                 if ( !match[3] ) {
1594                                         Sizzle.error( match[0] );
1595                                 }
1596
1597                                 // numeric x and y parameters for Expr.filter.CHILD
1598                                 // remember that false/true cast respectively to 0/1
1599                                 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
1600                                 match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
1601
1602                         // other types prohibit arguments
1603                         } else if ( match[3] ) {
1604                                 Sizzle.error( match[0] );
1605                         }
1606
1607                         return match;
1608                 },
1609
1610                 "PSEUDO": function( match ) {
1611                         var excess,
1612                                 unquoted = !match[6] && match[2];
1613
1614                         if ( matchExpr["CHILD"].test( match[0] ) ) {
1615                                 return null;
1616                         }
1617
1618                         // Accept quoted arguments as-is
1619                         if ( match[3] ) {
1620                                 match[2] = match[4] || match[5] || "";
1621
1622                         // Strip excess characters from unquoted arguments
1623                         } else if ( unquoted && rpseudo.test( unquoted ) &&
1624                                 // Get excess from tokenize (recursively)
1625                                 (excess = tokenize( unquoted, true )) &&
1626                                 // advance to the next closing parenthesis
1627                                 (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
1628
1629                                 // excess is a negative index
1630                                 match[0] = match[0].slice( 0, excess );
1631                                 match[2] = unquoted.slice( 0, excess );
1632                         }
1633
1634                         // Return only captures needed by the pseudo filter method (type and argument)
1635                         return match.slice( 0, 3 );
1636                 }
1637         },
1638
1639         filter: {
1640
1641                 "TAG": function( nodeNameSelector ) {
1642                         var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1643                         return nodeNameSelector === "*" ?
1644                                 function() { return true; } :
1645                                 function( elem ) {
1646                                         return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1647                                 };
1648                 },
1649
1650                 "CLASS": function( className ) {
1651                         var pattern = classCache[ className + " " ];
1652
1653                         return pattern ||
1654                                 (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
1655                                 classCache( className, function( elem ) {
1656                                         return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== strundefined && elem.getAttribute("class") || "" );
1657                                 });
1658                 },
1659
1660                 "ATTR": function( name, operator, check ) {
1661                         return function( elem ) {
1662                                 var result = Sizzle.attr( elem, name );
1663
1664                                 if ( result == null ) {
1665                                         return operator === "!=";
1666                                 }
1667                                 if ( !operator ) {
1668                                         return true;
1669                                 }
1670
1671                                 result += "";
1672
1673                                 return operator === "=" ? result === check :
1674                                         operator === "!=" ? result !== check :
1675                                         operator === "^=" ? check && result.indexOf( check ) === 0 :
1676                                         operator === "*=" ? check && result.indexOf( check ) > -1 :
1677                                         operator === "$=" ? check && result.slice( -check.length ) === check :
1678                                         operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 :
1679                                         operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1680                                         false;
1681                         };
1682                 },
1683
1684                 "CHILD": function( type, what, argument, first, last ) {
1685                         var simple = type.slice( 0, 3 ) !== "nth",
1686                                 forward = type.slice( -4 ) !== "last",
1687                                 ofType = what === "of-type";
1688
1689                         return first === 1 && last === 0 ?
1690
1691                                 // Shortcut for :nth-*(n)
1692                                 function( elem ) {
1693                                         return !!elem.parentNode;
1694                                 } :
1695
1696                                 function( elem, context, xml ) {
1697                                         var cache, outerCache, node, diff, nodeIndex, start,
1698                                                 dir = simple !== forward ? "nextSibling" : "previousSibling",
1699                                                 parent = elem.parentNode,
1700                                                 name = ofType && elem.nodeName.toLowerCase(),
1701                                                 useCache = !xml && !ofType;
1702
1703                                         if ( parent ) {
1704
1705                                                 // :(first|last|only)-(child|of-type)
1706                                                 if ( simple ) {
1707                                                         while ( dir ) {
1708                                                                 node = elem;
1709                                                                 while ( (node = node[ dir ]) ) {
1710                                                                         if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) {
1711                                                                                 return false;
1712                                                                         }
1713                                                                 }
1714                                                                 // Reverse direction for :only-* (if we haven't yet done so)
1715                                                                 start = dir = type === "only" && !start && "nextSibling";
1716                                                         }
1717                                                         return true;
1718                                                 }
1719
1720                                                 start = [ forward ? parent.firstChild : parent.lastChild ];
1721
1722                                                 // non-xml :nth-child(...) stores cache data on `parent`
1723                                                 if ( forward && useCache ) {
1724                                                         // Seek `elem` from a previously-cached index
1725                                                         outerCache = parent[ expando ] || (parent[ expando ] = {});
1726                                                         cache = outerCache[ type ] || [];
1727                                                         nodeIndex = cache[0] === dirruns && cache[1];
1728                                                         diff = cache[0] === dirruns && cache[2];
1729                                                         node = nodeIndex && parent.childNodes[ nodeIndex ];
1730
1731                                                         while ( (node = ++nodeIndex && node && node[ dir ] ||
1732
1733                                                                 // Fallback to seeking `elem` from the start
1734                                                                 (diff = nodeIndex = 0) || start.pop()) ) {
1735
1736                                                                 // When found, cache indexes on `parent` and break
1737                                                                 if ( node.nodeType === 1 && ++diff && node === elem ) {
1738                                                                         outerCache[ type ] = [ dirruns, nodeIndex, diff ];
1739                                                                         break;
1740                                                                 }
1741                                                         }
1742
1743                                                 // Use previously-cached element index if available
1744                                                 } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) {
1745                                                         diff = cache[1];
1746
1747                                                 // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
1748                                                 } else {
1749                                                         // Use the same loop as above to seek `elem` from the start
1750                                                         while ( (node = ++nodeIndex && node && node[ dir ] ||
1751                                                                 (diff = nodeIndex = 0) || start.pop()) ) {
1752
1753                                                                 if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) {
1754                                                                         // Cache the index of each encountered element
1755                                                                         if ( useCache ) {
1756                                                                                 (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ];
1757                                                                         }
1758
1759                                                                         if ( node === elem ) {
1760                                                                                 break;
1761                                                                         }
1762                                                                 }
1763                                                         }
1764                                                 }
1765
1766                                                 // Incorporate the offset, then check against cycle size
1767                                                 diff -= last;
1768                                                 return diff === first || ( diff % first === 0 && diff / first >= 0 );
1769                                         }
1770                                 };
1771                 },
1772
1773                 "PSEUDO": function( pseudo, argument ) {
1774                         // pseudo-class names are case-insensitive
1775                         // http://www.w3.org/TR/selectors/#pseudo-classes
1776                         // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
1777                         // Remember that setFilters inherits from pseudos
1778                         var args,
1779                                 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
1780                                         Sizzle.error( "unsupported pseudo: " + pseudo );
1781
1782                         // The user may use createPseudo to indicate that
1783                         // arguments are needed to create the filter function
1784                         // just as Sizzle does
1785                         if ( fn[ expando ] ) {
1786                                 return fn( argument );
1787                         }
1788
1789                         // But maintain support for old signatures
1790                         if ( fn.length > 1 ) {
1791                                 args = [ pseudo, pseudo, "", argument ];
1792                                 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
1793                                         markFunction(function( seed, matches ) {
1794                                                 var idx,
1795                                                         matched = fn( seed, argument ),
1796                                                         i = matched.length;
1797                                                 while ( i-- ) {
1798                                                         idx = indexOf.call( seed, matched[i] );
1799                                                         seed[ idx ] = !( matches[ idx ] = matched[i] );
1800                                                 }
1801                                         }) :
1802                                         function( elem ) {
1803                                                 return fn( elem, 0, args );
1804                                         };
1805                         }
1806
1807                         return fn;
1808                 }
1809         },
1810
1811         pseudos: {
1812                 // Potentially complex pseudos
1813                 "not": markFunction(function( selector ) {
1814                         // Trim the selector passed to compile
1815                         // to avoid treating leading and trailing
1816                         // spaces as combinators
1817                         var input = [],
1818                                 results = [],
1819                                 matcher = compile( selector.replace( rtrim, "$1" ) );
1820
1821                         return matcher[ expando ] ?
1822                                 markFunction(function( seed, matches, context, xml ) {
1823                                         var elem,
1824                                                 unmatched = matcher( seed, null, xml, [] ),
1825                                                 i = seed.length;
1826
1827                                         // Match elements unmatched by `matcher`
1828                                         while ( i-- ) {
1829                                                 if ( (elem = unmatched[i]) ) {
1830                                                         seed[i] = !(matches[i] = elem);
1831                                                 }
1832                                         }
1833                                 }) :
1834                                 function( elem, context, xml ) {
1835                                         input[0] = elem;
1836                                         matcher( input, null, xml, results );
1837                                         return !results.pop();
1838                                 };
1839                 }),
1840
1841                 "has": markFunction(function( selector ) {
1842                         return function( elem ) {
1843                                 return Sizzle( selector, elem ).length > 0;
1844                         };
1845                 }),
1846
1847                 "contains": markFunction(function( text ) {
1848                         return function( elem ) {
1849                                 return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
1850                         };
1851                 }),
1852
1853                 // "Whether an element is represented by a :lang() selector
1854                 // is based solely on the element's language value
1855                 // being equal to the identifier C,
1856                 // or beginning with the identifier C immediately followed by "-".
1857                 // The matching of C against the element's language value is performed case-insensitively.
1858                 // The identifier C does not have to be a valid language name."
1859                 // http://www.w3.org/TR/selectors/#lang-pseudo
1860                 "lang": markFunction( function( lang ) {
1861                         // lang value must be a valid identifier
1862                         if ( !ridentifier.test(lang || "") ) {
1863                                 Sizzle.error( "unsupported lang: " + lang );
1864                         }
1865                         lang = lang.replace( runescape, funescape ).toLowerCase();
1866                         return function( elem ) {
1867                                 var elemLang;
1868                                 do {
1869                                         if ( (elemLang = documentIsHTML ?
1870                                                 elem.lang :
1871                                                 elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
1872
1873                                                 elemLang = elemLang.toLowerCase();
1874                                                 return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
1875                                         }
1876                                 } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
1877                                 return false;
1878                         };
1879                 }),
1880
1881                 // Miscellaneous
1882                 "target": function( elem ) {
1883                         var hash = window.location && window.location.hash;
1884                         return hash && hash.slice( 1 ) === elem.id;
1885                 },
1886
1887                 "root": function( elem ) {
1888                         return elem === docElem;
1889                 },
1890
1891                 "focus": function( elem ) {
1892                         return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
1893                 },
1894
1895                 // Boolean properties
1896                 "enabled": function( elem ) {
1897                         return elem.disabled === false;
1898                 },
1899
1900                 "disabled": function( elem ) {
1901                         return elem.disabled === true;
1902                 },
1903
1904                 "checked": function( elem ) {
1905                         // In CSS3, :checked should return both checked and selected elements
1906                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1907                         var nodeName = elem.nodeName.toLowerCase();
1908                         return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
1909                 },
1910
1911                 "selected": function( elem ) {
1912                         // Accessing this property makes selected-by-default
1913                         // options in Safari work properly
1914                         if ( elem.parentNode ) {
1915                                 elem.parentNode.selectedIndex;
1916                         }
1917
1918                         return elem.selected === true;
1919                 },
1920
1921                 // Contents
1922                 "empty": function( elem ) {
1923                         // http://www.w3.org/TR/selectors/#empty-pseudo
1924                         // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
1925                         //   but not by others (comment: 8; processing instruction: 7; etc.)
1926                         // nodeType < 6 works because attributes (2) do not appear as children
1927                         for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1928                                 if ( elem.nodeType < 6 ) {
1929                                         return false;
1930                                 }
1931                         }
1932                         return true;
1933                 },
1934
1935                 "parent": function( elem ) {
1936                         return !Expr.pseudos["empty"]( elem );
1937                 },
1938
1939                 // Element/input types
1940                 "header": function( elem ) {
1941                         return rheader.test( elem.nodeName );
1942                 },
1943
1944                 "input": function( elem ) {
1945                         return rinputs.test( elem.nodeName );
1946                 },
1947
1948                 "button": function( elem ) {
1949                         var name = elem.nodeName.toLowerCase();
1950                         return name === "input" && elem.type === "button" || name === "button";
1951                 },
1952
1953                 "text": function( elem ) {
1954                         var attr;
1955                         return elem.nodeName.toLowerCase() === "input" &&
1956                                 elem.type === "text" &&
1957
1958                                 // Support: IE<8
1959                                 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
1960                                 ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
1961                 },
1962
1963                 // Position-in-collection
1964                 "first": createPositionalPseudo(function() {
1965                         return [ 0 ];
1966                 }),
1967
1968                 "last": createPositionalPseudo(function( matchIndexes, length ) {
1969                         return [ length - 1 ];
1970                 }),
1971
1972                 "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
1973                         return [ argument < 0 ? argument + length : argument ];
1974                 }),
1975
1976                 "even": createPositionalPseudo(function( matchIndexes, length ) {
1977                         var i = 0;
1978                         for ( ; i < length; i += 2 ) {
1979                                 matchIndexes.push( i );
1980                         }
1981                         return matchIndexes;
1982                 }),
1983
1984                 "odd": createPositionalPseudo(function( matchIndexes, length ) {
1985                         var i = 1;
1986                         for ( ; i < length; i += 2 ) {
1987                                 matchIndexes.push( i );
1988                         }
1989                         return matchIndexes;
1990                 }),
1991
1992                 "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
1993                         var i = argument < 0 ? argument + length : argument;
1994                         for ( ; --i >= 0; ) {
1995                                 matchIndexes.push( i );
1996                         }
1997                         return matchIndexes;
1998                 }),
1999
2000                 "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2001                         var i = argument < 0 ? argument + length : argument;
2002                         for ( ; ++i < length; ) {
2003                                 matchIndexes.push( i );
2004                         }
2005                         return matchIndexes;
2006                 })
2007         }
2008 };
2009
2010 Expr.pseudos["nth"] = Expr.pseudos["eq"];
2011
2012 // Add button/input type pseudos
2013 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2014         Expr.pseudos[ i ] = createInputPseudo( i );
2015 }
2016 for ( i in { submit: true, reset: true } ) {
2017         Expr.pseudos[ i ] = createButtonPseudo( i );
2018 }
2019
2020 // Easy API for creating new setFilters
2021 function setFilters() {}
2022 setFilters.prototype = Expr.filters = Expr.pseudos;
2023 Expr.setFilters = new setFilters();
2024
2025 tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2026         var matched, match, tokens, type,
2027                 soFar, groups, preFilters,
2028                 cached = tokenCache[ selector + " " ];
2029
2030         if ( cached ) {
2031                 return parseOnly ? 0 : cached.slice( 0 );
2032         }
2033
2034         soFar = selector;
2035         groups = [];
2036         preFilters = Expr.preFilter;
2037
2038         while ( soFar ) {
2039
2040                 // Comma and first run
2041                 if ( !matched || (match = rcomma.exec( soFar )) ) {
2042                         if ( match ) {
2043                                 // Don't consume trailing commas as valid
2044                                 soFar = soFar.slice( match[0].length ) || soFar;
2045                         }
2046                         groups.push( (tokens = []) );
2047                 }
2048
2049                 matched = false;
2050
2051                 // Combinators
2052                 if ( (match = rcombinators.exec( soFar )) ) {
2053                         matched = match.shift();
2054                         tokens.push({
2055                                 value: matched,
2056                                 // Cast descendant combinators to space
2057                                 type: match[0].replace( rtrim, " " )
2058                         });
2059                         soFar = soFar.slice( matched.length );
2060                 }
2061
2062                 // Filters
2063                 for ( type in Expr.filter ) {
2064                         if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
2065                                 (match = preFilters[ type ]( match ))) ) {
2066                                 matched = match.shift();
2067                                 tokens.push({
2068                                         value: matched,
2069                                         type: type,
2070                                         matches: match
2071                                 });
2072                                 soFar = soFar.slice( matched.length );
2073                         }
2074                 }
2075
2076                 if ( !matched ) {
2077                         break;
2078                 }
2079         }
2080
2081         // Return the length of the invalid excess
2082         // if we're just parsing
2083         // Otherwise, throw an error or return tokens
2084         return parseOnly ?
2085                 soFar.length :
2086                 soFar ?
2087                         Sizzle.error( selector ) :
2088                         // Cache the tokens
2089                         tokenCache( selector, groups ).slice( 0 );
2090 };
2091
2092 function toSelector( tokens ) {
2093         var i = 0,
2094                 len = tokens.length,
2095                 selector = "";
2096         for ( ; i < len; i++ ) {
2097                 selector += tokens[i].value;
2098         }
2099         return selector;
2100 }
2101
2102 function addCombinator( matcher, combinator, base ) {
2103         var dir = combinator.dir,
2104                 checkNonElements = base && dir === "parentNode",
2105                 doneName = done++;
2106
2107         return combinator.first ?
2108                 // Check against closest ancestor/preceding element
2109                 function( elem, context, xml ) {
2110                         while ( (elem = elem[ dir ]) ) {
2111                                 if ( elem.nodeType === 1 || checkNonElements ) {
2112                                         return matcher( elem, context, xml );
2113                                 }
2114                         }
2115                 } :
2116
2117                 // Check against all ancestor/preceding elements
2118                 function( elem, context, xml ) {
2119                         var oldCache, outerCache,
2120                                 newCache = [ dirruns, doneName ];
2121
2122                         // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
2123                         if ( xml ) {
2124                                 while ( (elem = elem[ dir ]) ) {
2125                                         if ( elem.nodeType === 1 || checkNonElements ) {
2126                                                 if ( matcher( elem, context, xml ) ) {
2127                                                         return true;
2128                                                 }
2129                                         }
2130                                 }
2131                         } else {
2132                                 while ( (elem = elem[ dir ]) ) {
2133                                         if ( elem.nodeType === 1 || checkNonElements ) {
2134                                                 outerCache = elem[ expando ] || (elem[ expando ] = {});
2135                                                 if ( (oldCache = outerCache[ dir ]) &&
2136                                                         oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2137
2138                                                         // Assign to newCache so results back-propagate to previous elements
2139                                                         return (newCache[ 2 ] = oldCache[ 2 ]);
2140                                                 } else {
2141                                                         // Reuse newcache so results back-propagate to previous elements
2142                                                         outerCache[ dir ] = newCache;
2143
2144                                                         // A match means we're done; a fail means we have to keep checking
2145                                                         if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
2146                                                                 return true;
2147                                                         }
2148                                                 }
2149                                         }
2150                                 }
2151                         }
2152                 };
2153 }
2154
2155 function elementMatcher( matchers ) {
2156         return matchers.length > 1 ?
2157                 function( elem, context, xml ) {
2158                         var i = matchers.length;
2159                         while ( i-- ) {
2160                                 if ( !matchers[i]( elem, context, xml ) ) {
2161                                         return false;
2162                                 }
2163                         }
2164                         return true;
2165                 } :
2166                 matchers[0];
2167 }
2168
2169 function multipleContexts( selector, contexts, results ) {
2170         var i = 0,
2171                 len = contexts.length;
2172         for ( ; i < len; i++ ) {
2173                 Sizzle( selector, contexts[i], results );
2174         }
2175         return results;
2176 }
2177
2178 function condense( unmatched, map, filter, context, xml ) {
2179         var elem,
2180                 newUnmatched = [],
2181                 i = 0,
2182                 len = unmatched.length,
2183                 mapped = map != null;
2184
2185         for ( ; i < len; i++ ) {
2186                 if ( (elem = unmatched[i]) ) {
2187                         if ( !filter || filter( elem, context, xml ) ) {
2188                                 newUnmatched.push( elem );
2189                                 if ( mapped ) {
2190                                         map.push( i );
2191                                 }
2192                         }
2193                 }
2194         }
2195
2196         return newUnmatched;
2197 }
2198
2199 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2200         if ( postFilter && !postFilter[ expando ] ) {
2201                 postFilter = setMatcher( postFilter );
2202         }
2203         if ( postFinder && !postFinder[ expando ] ) {
2204                 postFinder = setMatcher( postFinder, postSelector );
2205         }
2206         return markFunction(function( seed, results, context, xml ) {
2207                 var temp, i, elem,
2208                         preMap = [],
2209                         postMap = [],
2210                         preexisting = results.length,
2211
2212                         // Get initial elements from seed or context
2213                         elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
2214
2215                         // Prefilter to get matcher input, preserving a map for seed-results synchronization
2216                         matcherIn = preFilter && ( seed || !selector ) ?
2217                                 condense( elems, preMap, preFilter, context, xml ) :
2218                                 elems,
2219
2220                         matcherOut = matcher ?
2221                                 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2222                                 postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2223
2224                                         // ...intermediate processing is necessary
2225                                         [] :
2226
2227                                         // ...otherwise use results directly
2228                                         results :
2229                                 matcherIn;
2230
2231                 // Find primary matches
2232                 if ( matcher ) {
2233                         matcher( matcherIn, matcherOut, context, xml );
2234                 }
2235
2236                 // Apply postFilter
2237                 if ( postFilter ) {
2238                         temp = condense( matcherOut, postMap );
2239                         postFilter( temp, [], context, xml );
2240
2241                         // Un-match failing elements by moving them back to matcherIn
2242                         i = temp.length;
2243                         while ( i-- ) {
2244                                 if ( (elem = temp[i]) ) {
2245                                         matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
2246                                 }
2247                         }
2248                 }
2249
2250                 if ( seed ) {
2251                         if ( postFinder || preFilter ) {
2252                                 if ( postFinder ) {
2253                                         // Get the final matcherOut by condensing this intermediate into postFinder contexts
2254                                         temp = [];
2255                                         i = matcherOut.length;
2256                                         while ( i-- ) {
2257                                                 if ( (elem = matcherOut[i]) ) {
2258                                                         // Restore matcherIn since elem is not yet a final match
2259                                                         temp.push( (matcherIn[i] = elem) );
2260                                                 }
2261                                         }
2262                                         postFinder( null, (matcherOut = []), temp, xml );
2263                                 }
2264
2265                                 // Move matched elements from seed to results to keep them synchronized
2266                                 i = matcherOut.length;
2267                                 while ( i-- ) {
2268                                         if ( (elem = matcherOut[i]) &&
2269                                                 (temp = postFinder ? indexOf.call( seed, elem ) : preMap[i]) > -1 ) {
2270
2271                                                 seed[temp] = !(results[temp] = elem);
2272                                         }
2273                                 }
2274                         }
2275
2276                 // Add elements to results, through postFinder if defined
2277                 } else {
2278                         matcherOut = condense(
2279                                 matcherOut === results ?
2280                                         matcherOut.splice( preexisting, matcherOut.length ) :
2281                                         matcherOut
2282                         );
2283                         if ( postFinder ) {
2284                                 postFinder( null, results, matcherOut, xml );
2285                         } else {
2286                                 push.apply( results, matcherOut );
2287                         }
2288                 }
2289         });
2290 }
2291
2292 function matcherFromTokens( tokens ) {
2293         var checkContext, matcher, j,
2294                 len = tokens.length,
2295                 leadingRelative = Expr.relative[ tokens[0].type ],
2296                 implicitRelative = leadingRelative || Expr.relative[" "],
2297                 i = leadingRelative ? 1 : 0,
2298
2299                 // The foundational matcher ensures that elements are reachable from top-level context(s)
2300                 matchContext = addCombinator( function( elem ) {
2301                         return elem === checkContext;
2302                 }, implicitRelative, true ),
2303                 matchAnyContext = addCombinator( function( elem ) {
2304                         return indexOf.call( checkContext, elem ) > -1;
2305                 }, implicitRelative, true ),
2306                 matchers = [ function( elem, context, xml ) {
2307                         return ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2308                                 (checkContext = context).nodeType ?
2309                                         matchContext( elem, context, xml ) :
2310                                         matchAnyContext( elem, context, xml ) );
2311                 } ];
2312
2313         for ( ; i < len; i++ ) {
2314                 if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
2315                         matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
2316                 } else {
2317                         matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
2318
2319                         // Return special upon seeing a positional matcher
2320                         if ( matcher[ expando ] ) {
2321                                 // Find the next relative operator (if any) for proper handling
2322                                 j = ++i;
2323                                 for ( ; j < len; j++ ) {
2324                                         if ( Expr.relative[ tokens[j].type ] ) {
2325                                                 break;
2326                                         }
2327                                 }
2328                                 return setMatcher(
2329                                         i > 1 && elementMatcher( matchers ),
2330                                         i > 1 && toSelector(
2331                                                 // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2332                                                 tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
2333                                         ).replace( rtrim, "$1" ),
2334                                         matcher,
2335                                         i < j && matcherFromTokens( tokens.slice( i, j ) ),
2336                                         j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
2337                                         j < len && toSelector( tokens )
2338                                 );
2339                         }
2340                         matchers.push( matcher );
2341                 }
2342         }
2343
2344         return elementMatcher( matchers );
2345 }
2346
2347 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2348         var bySet = setMatchers.length > 0,
2349                 byElement = elementMatchers.length > 0,
2350                 superMatcher = function( seed, context, xml, results, outermost ) {
2351                         var elem, j, matcher,
2352                                 matchedCount = 0,
2353                                 i = "0",
2354                                 unmatched = seed && [],
2355                                 setMatched = [],
2356                                 contextBackup = outermostContext,
2357                                 // We must always have either seed elements or outermost context
2358                                 elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
2359                                 // Use integer dirruns iff this is the outermost matcher
2360                                 dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
2361                                 len = elems.length;
2362
2363                         if ( outermost ) {
2364                                 outermostContext = context !== document && context;
2365                         }
2366
2367                         // Add elements passing elementMatchers directly to results
2368                         // Keep `i` a string if there are no elements so `matchedCount` will be "00" below
2369                         // Support: IE<9, Safari
2370                         // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2371                         for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
2372                                 if ( byElement && elem ) {
2373                                         j = 0;
2374                                         while ( (matcher = elementMatchers[j++]) ) {
2375                                                 if ( matcher( elem, context, xml ) ) {
2376                                                         results.push( elem );
2377                                                         break;
2378                                                 }
2379                                         }
2380                                         if ( outermost ) {
2381                                                 dirruns = dirrunsUnique;
2382                                         }
2383                                 }
2384
2385                                 // Track unmatched elements for set filters
2386                                 if ( bySet ) {
2387                                         // They will have gone through all possible matchers
2388                                         if ( (elem = !matcher && elem) ) {
2389                                                 matchedCount--;
2390                                         }
2391
2392                                         // Lengthen the array for every element, matched or not
2393                                         if ( seed ) {
2394                                                 unmatched.push( elem );
2395                                         }
2396                                 }
2397                         }
2398
2399                         // Apply set filters to unmatched elements
2400                         matchedCount += i;
2401                         if ( bySet && i !== matchedCount ) {
2402                                 j = 0;
2403                                 while ( (matcher = setMatchers[j++]) ) {
2404                                         matcher( unmatched, setMatched, context, xml );
2405                                 }
2406
2407                                 if ( seed ) {
2408                                         // Reintegrate element matches to eliminate the need for sorting
2409                                         if ( matchedCount > 0 ) {
2410                                                 while ( i-- ) {
2411                                                         if ( !(unmatched[i] || setMatched[i]) ) {
2412                                                                 setMatched[i] = pop.call( results );
2413                                                         }
2414                                                 }
2415                                         }
2416
2417                                         // Discard index placeholder values to get only actual matches
2418                                         setMatched = condense( setMatched );
2419                                 }
2420
2421                                 // Add matches to results
2422                                 push.apply( results, setMatched );
2423
2424                                 // Seedless set matches succeeding multiple successful matchers stipulate sorting
2425                                 if ( outermost && !seed && setMatched.length > 0 &&
2426                                         ( matchedCount + setMatchers.length ) > 1 ) {
2427
2428                                         Sizzle.uniqueSort( results );
2429                                 }
2430                         }
2431
2432                         // Override manipulation of globals by nested matchers
2433                         if ( outermost ) {
2434                                 dirruns = dirrunsUnique;
2435                                 outermostContext = contextBackup;
2436                         }
2437
2438                         return unmatched;
2439                 };
2440
2441         return bySet ?
2442                 markFunction( superMatcher ) :
2443                 superMatcher;
2444 }
2445
2446 compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2447         var i,
2448                 setMatchers = [],
2449                 elementMatchers = [],
2450                 cached = compilerCache[ selector + " " ];
2451
2452         if ( !cached ) {
2453                 // Generate a function of recursive functions that can be used to check each element
2454                 if ( !match ) {
2455                         match = tokenize( selector );
2456                 }
2457                 i = match.length;
2458                 while ( i-- ) {
2459                         cached = matcherFromTokens( match[i] );
2460                         if ( cached[ expando ] ) {
2461                                 setMatchers.push( cached );
2462                         } else {
2463                                 elementMatchers.push( cached );
2464                         }
2465                 }
2466
2467                 // Cache the compiled function
2468                 cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2469
2470                 // Save selector and tokenization
2471                 cached.selector = selector;
2472         }
2473         return cached;
2474 };
2475
2476 /**
2477  * A low-level selection function that works with Sizzle's compiled
2478  *  selector functions
2479  * @param {String|Function} selector A selector or a pre-compiled
2480  *  selector function built with Sizzle.compile
2481  * @param {Element} context
2482  * @param {Array} [results]
2483  * @param {Array} [seed] A set of elements to match against
2484  */
2485 select = Sizzle.select = function( selector, context, results, seed ) {
2486         var i, tokens, token, type, find,
2487                 compiled = typeof selector === "function" && selector,
2488                 match = !seed && tokenize( (selector = compiled.selector || selector) );
2489
2490         results = results || [];
2491
2492         // Try to minimize operations if there is no seed and only one group
2493         if ( match.length === 1 ) {
2494
2495                 // Take a shortcut and set the context if the root selector is an ID
2496                 tokens = match[0] = match[0].slice( 0 );
2497                 if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
2498                                 support.getById && context.nodeType === 9 && documentIsHTML &&
2499                                 Expr.relative[ tokens[1].type ] ) {
2500
2501                         context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
2502                         if ( !context ) {
2503                                 return results;
2504
2505                         // Precompiled matchers will still verify ancestry, so step up a level
2506                         } else if ( compiled ) {
2507                                 context = context.parentNode;
2508                         }
2509
2510                         selector = selector.slice( tokens.shift().value.length );
2511                 }
2512
2513                 // Fetch a seed set for right-to-left matching
2514                 i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
2515                 while ( i-- ) {
2516                         token = tokens[i];
2517
2518                         // Abort if we hit a combinator
2519                         if ( Expr.relative[ (type = token.type) ] ) {
2520                                 break;
2521                         }
2522                         if ( (find = Expr.find[ type ]) ) {
2523                                 // Search, expanding context for leading sibling combinators
2524                                 if ( (seed = find(
2525                                         token.matches[0].replace( runescape, funescape ),
2526                                         rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
2527                                 )) ) {
2528
2529                                         // If seed is empty or no tokens remain, we can return early
2530                                         tokens.splice( i, 1 );
2531                                         selector = seed.length && toSelector( tokens );
2532                                         if ( !selector ) {
2533                                                 push.apply( results, seed );
2534                                                 return results;
2535                                         }
2536
2537                                         break;
2538                                 }
2539                         }
2540                 }
2541         }
2542
2543         // Compile and execute a filtering function if one is not provided
2544         // Provide `match` to avoid retokenization if we modified the selector above
2545         ( compiled || compile( selector, match ) )(
2546                 seed,
2547                 context,
2548                 !documentIsHTML,
2549                 results,
2550                 rsibling.test( selector ) && testContext( context.parentNode ) || context
2551         );
2552         return results;
2553 };
2554
2555 // One-time assignments
2556
2557 // Sort stability
2558 support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
2559
2560 // Support: Chrome<14
2561 // Always assume duplicates if they aren't passed to the comparison function
2562 support.detectDuplicates = !!hasDuplicate;
2563
2564 // Initialize against the default document
2565 setDocument();
2566
2567 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2568 // Detached nodes confoundingly follow *each other*
2569 support.sortDetached = assert(function( div1 ) {
2570         // Should return 1, but returns 4 (following)
2571         return div1.compareDocumentPosition( document.createElement("div") ) & 1;
2572 });
2573
2574 // Support: IE<8
2575 // Prevent attribute/property "interpolation"
2576 // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2577 if ( !assert(function( div ) {
2578         div.innerHTML = "<a href='#'></a>";
2579         return div.firstChild.getAttribute("href") === "#" ;
2580 }) ) {
2581         addHandle( "type|href|height|width", function( elem, name, isXML ) {
2582                 if ( !isXML ) {
2583                         return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2584                 }
2585         });
2586 }
2587
2588 // Support: IE<9
2589 // Use defaultValue in place of getAttribute("value")
2590 if ( !support.attributes || !assert(function( div ) {
2591         div.innerHTML = "<input/>";
2592         div.firstChild.setAttribute( "value", "" );
2593         return div.firstChild.getAttribute( "value" ) === "";
2594 }) ) {
2595         addHandle( "value", function( elem, name, isXML ) {
2596                 if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2597                         return elem.defaultValue;
2598                 }
2599         });
2600 }
2601
2602 // Support: IE<9
2603 // Use getAttributeNode to fetch booleans when getAttribute lies
2604 if ( !assert(function( div ) {
2605         return div.getAttribute("disabled") == null;
2606 }) ) {
2607         addHandle( booleans, function( elem, name, isXML ) {
2608                 var val;
2609                 if ( !isXML ) {
2610                         return elem[ name ] === true ? name.toLowerCase() :
2611                                         (val = elem.getAttributeNode( name )) && val.specified ?
2612                                         val.value :
2613                                 null;
2614                 }
2615         });
2616 }
2617
2618 return Sizzle;
2619
2620 })( window );
2621
2622
2623
2624 jQuery.find = Sizzle;
2625 jQuery.expr = Sizzle.selectors;
2626 jQuery.expr[":"] = jQuery.expr.pseudos;
2627 jQuery.unique = Sizzle.uniqueSort;
2628 jQuery.text = Sizzle.getText;
2629 jQuery.isXMLDoc = Sizzle.isXML;
2630 jQuery.contains = Sizzle.contains;
2631
2632
2633
2634 var rneedsContext = jQuery.expr.match.needsContext;
2635
2636 var rsingleTag = (/^<(\w+)\s*\/?>(?:<\/\1>|)$/);
2637
2638
2639
2640 var risSimple = /^.[^:#\[\.,]*$/;
2641
2642 // Implement the identical functionality for filter and not
2643 function winnow( elements, qualifier, not ) {
2644         if ( jQuery.isFunction( qualifier ) ) {
2645                 return jQuery.grep( elements, function( elem, i ) {
2646                         /* jshint -W018 */
2647                         return !!qualifier.call( elem, i, elem ) !== not;
2648                 });
2649
2650         }
2651
2652         if ( qualifier.nodeType ) {
2653                 return jQuery.grep( elements, function( elem ) {
2654                         return ( elem === qualifier ) !== not;
2655                 });
2656
2657         }
2658
2659         if ( typeof qualifier === "string" ) {
2660                 if ( risSimple.test( qualifier ) ) {
2661                         return jQuery.filter( qualifier, elements, not );
2662                 }
2663
2664                 qualifier = jQuery.filter( qualifier, elements );
2665         }
2666
2667         return jQuery.grep( elements, function( elem ) {
2668                 return ( jQuery.inArray( elem, qualifier ) >= 0 ) !== not;
2669         });
2670 }
2671
2672 jQuery.filter = function( expr, elems, not ) {
2673         var elem = elems[ 0 ];
2674
2675         if ( not ) {
2676                 expr = ":not(" + expr + ")";
2677         }
2678
2679         return elems.length === 1 && elem.nodeType === 1 ?
2680                 jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
2681                 jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
2682                         return elem.nodeType === 1;
2683                 }));
2684 };
2685
2686 jQuery.fn.extend({
2687         find: function( selector ) {
2688                 var i,
2689                         ret = [],
2690                         self = this,
2691                         len = self.length;
2692
2693                 if ( typeof selector !== "string" ) {
2694                         return this.pushStack( jQuery( selector ).filter(function() {
2695                                 for ( i = 0; i < len; i++ ) {
2696                                         if ( jQuery.contains( self[ i ], this ) ) {
2697                                                 return true;
2698                                         }
2699                                 }
2700                         }) );
2701                 }
2702
2703                 for ( i = 0; i < len; i++ ) {
2704                         jQuery.find( selector, self[ i ], ret );
2705                 }
2706
2707                 // Needed because $( selector, context ) becomes $( context ).find( selector )
2708                 ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
2709                 ret.selector = this.selector ? this.selector + " " + selector : selector;
2710                 return ret;
2711         },
2712         filter: function( selector ) {
2713                 return this.pushStack( winnow(this, selector || [], false) );
2714         },
2715         not: function( selector ) {
2716                 return this.pushStack( winnow(this, selector || [], true) );
2717         },
2718         is: function( selector ) {
2719                 return !!winnow(
2720                         this,
2721
2722                         // If this is a positional/relative selector, check membership in the returned set
2723                         // so $("p:first").is("p:last") won't return true for a doc with two "p".
2724                         typeof selector === "string" && rneedsContext.test( selector ) ?
2725                                 jQuery( selector ) :
2726                                 selector || [],
2727                         false
2728                 ).length;
2729         }
2730 });
2731
2732
2733 // Initialize a jQuery object
2734
2735
2736 // A central reference to the root jQuery(document)
2737 var rootjQuery,
2738
2739         // Use the correct document accordingly with window argument (sandbox)
2740         document = window.document,
2741
2742         // A simple way to check for HTML strings
2743         // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
2744         // Strict HTML recognition (#11290: must start with <)
2745         rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
2746
2747         init = jQuery.fn.init = function( selector, context ) {
2748                 var match, elem;
2749
2750                 // HANDLE: $(""), $(null), $(undefined), $(false)
2751                 if ( !selector ) {
2752                         return this;
2753                 }
2754
2755                 // Handle HTML strings
2756                 if ( typeof selector === "string" ) {
2757                         if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
2758                                 // Assume that strings that start and end with <> are HTML and skip the regex check
2759                                 match = [ null, selector, null ];
2760
2761                         } else {
2762                                 match = rquickExpr.exec( selector );
2763                         }
2764
2765                         // Match html or make sure no context is specified for #id
2766                         if ( match && (match[1] || !context) ) {
2767
2768                                 // HANDLE: $(html) -> $(array)
2769                                 if ( match[1] ) {
2770                                         context = context instanceof jQuery ? context[0] : context;
2771
2772                                         // scripts is true for back-compat
2773                                         // Intentionally let the error be thrown if parseHTML is not present
2774                                         jQuery.merge( this, jQuery.parseHTML(
2775                                                 match[1],
2776                                                 context && context.nodeType ? context.ownerDocument || context : document,
2777                                                 true
2778                                         ) );
2779
2780                                         // HANDLE: $(html, props)
2781                                         if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
2782                                                 for ( match in context ) {
2783                                                         // Properties of context are called as methods if possible
2784                                                         if ( jQuery.isFunction( this[ match ] ) ) {
2785                                                                 this[ match ]( context[ match ] );
2786
2787                                                         // ...and otherwise set as attributes
2788                                                         } else {
2789                                                                 this.attr( match, context[ match ] );
2790                                                         }
2791                                                 }
2792                                         }
2793
2794                                         return this;
2795
2796                                 // HANDLE: $(#id)
2797                                 } else {
2798                                         elem = document.getElementById( match[2] );
2799
2800                                         // Check parentNode to catch when Blackberry 4.6 returns
2801                                         // nodes that are no longer in the document #6963
2802                                         if ( elem && elem.parentNode ) {
2803                                                 // Handle the case where IE and Opera return items
2804                                                 // by name instead of ID
2805                                                 if ( elem.id !== match[2] ) {
2806                                                         return rootjQuery.find( selector );
2807                                                 }
2808
2809                                                 // Otherwise, we inject the element directly into the jQuery object
2810                                                 this.length = 1;
2811                                                 this[0] = elem;
2812                                         }
2813
2814                                         this.context = document;
2815                                         this.selector = selector;
2816                                         return this;
2817                                 }
2818
2819                         // HANDLE: $(expr, $(...))
2820                         } else if ( !context || context.jquery ) {
2821                                 return ( context || rootjQuery ).find( selector );
2822
2823                         // HANDLE: $(expr, context)
2824                         // (which is just equivalent to: $(context).find(expr)
2825                         } else {
2826                                 return this.constructor( context ).find( selector );
2827                         }
2828
2829                 // HANDLE: $(DOMElement)
2830                 } else if ( selector.nodeType ) {
2831                         this.context = this[0] = selector;
2832                         this.length = 1;
2833                         return this;
2834
2835                 // HANDLE: $(function)
2836                 // Shortcut for document ready
2837                 } else if ( jQuery.isFunction( selector ) ) {
2838                         return typeof rootjQuery.ready !== "undefined" ?
2839                                 rootjQuery.ready( selector ) :
2840                                 // Execute immediately if ready is not present
2841                                 selector( jQuery );
2842                 }
2843
2844                 if ( selector.selector !== undefined ) {
2845                         this.selector = selector.selector;
2846                         this.context = selector.context;
2847                 }
2848
2849                 return jQuery.makeArray( selector, this );
2850         };
2851
2852 // Give the init function the jQuery prototype for later instantiation
2853 init.prototype = jQuery.fn;
2854
2855 // Initialize central reference
2856 rootjQuery = jQuery( document );
2857
2858
2859 var rparentsprev = /^(?:parents|prev(?:Until|All))/,
2860         // methods guaranteed to produce a unique set when starting from a unique set
2861         guaranteedUnique = {
2862                 children: true,
2863                 contents: true,
2864                 next: true,
2865                 prev: true
2866         };
2867
2868 jQuery.extend({
2869         dir: function( elem, dir, until ) {
2870                 var matched = [],
2871                         cur = elem[ dir ];
2872
2873                 while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
2874                         if ( cur.nodeType === 1 ) {
2875                                 matched.push( cur );
2876                         }
2877                         cur = cur[dir];
2878                 }
2879                 return matched;
2880         },
2881
2882         sibling: function( n, elem ) {
2883                 var r = [];
2884
2885                 for ( ; n; n = n.nextSibling ) {
2886                         if ( n.nodeType === 1 && n !== elem ) {
2887                                 r.push( n );
2888                         }
2889                 }
2890
2891                 return r;
2892         }
2893 });
2894
2895 jQuery.fn.extend({
2896         has: function( target ) {
2897                 var i,
2898                         targets = jQuery( target, this ),
2899                         len = targets.length;
2900
2901                 return this.filter(function() {
2902                         for ( i = 0; i < len; i++ ) {
2903                                 if ( jQuery.contains( this, targets[i] ) ) {
2904                                         return true;
2905                                 }
2906                         }
2907                 });
2908         },
2909
2910         closest: function( selectors, context ) {
2911                 var cur,
2912                         i = 0,
2913                         l = this.length,
2914                         matched = [],
2915                         pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
2916                                 jQuery( selectors, context || this.context ) :
2917                                 0;
2918
2919                 for ( ; i < l; i++ ) {
2920                         for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) {
2921                                 // Always skip document fragments
2922                                 if ( cur.nodeType < 11 && (pos ?
2923                                         pos.index(cur) > -1 :
2924
2925                                         // Don't pass non-elements to Sizzle
2926                                         cur.nodeType === 1 &&
2927                                                 jQuery.find.matchesSelector(cur, selectors)) ) {
2928
2929                                         matched.push( cur );
2930                                         break;
2931                                 }
2932                         }
2933                 }
2934
2935                 return this.pushStack( matched.length > 1 ? jQuery.unique( matched ) : matched );
2936         },
2937
2938         // Determine the position of an element within
2939         // the matched set of elements
2940         index: function( elem ) {
2941
2942                 // No argument, return index in parent
2943                 if ( !elem ) {
2944                         return ( this[0] && this[0].parentNode ) ? this.first().prevAll().length : -1;
2945                 }
2946
2947                 // index in selector
2948                 if ( typeof elem === "string" ) {
2949                         return jQuery.inArray( this[0], jQuery( elem ) );
2950                 }
2951
2952                 // Locate the position of the desired element
2953                 return jQuery.inArray(
2954                         // If it receives a jQuery object, the first element is used
2955                         elem.jquery ? elem[0] : elem, this );
2956         },
2957
2958         add: function( selector, context ) {
2959                 return this.pushStack(
2960                         jQuery.unique(
2961                                 jQuery.merge( this.get(), jQuery( selector, context ) )
2962                         )
2963                 );
2964         },
2965
2966         addBack: function( selector ) {
2967                 return this.add( selector == null ?
2968                         this.prevObject : this.prevObject.filter(selector)
2969                 );
2970         }
2971 });
2972
2973 function sibling( cur, dir ) {
2974         do {
2975                 cur = cur[ dir ];
2976         } while ( cur && cur.nodeType !== 1 );
2977
2978         return cur;
2979 }
2980
2981 jQuery.each({
2982         parent: function( elem ) {
2983                 var parent = elem.parentNode;
2984                 return parent && parent.nodeType !== 11 ? parent : null;
2985         },
2986         parents: function( elem ) {
2987                 return jQuery.dir( elem, "parentNode" );
2988         },
2989         parentsUntil: function( elem, i, until ) {
2990                 return jQuery.dir( elem, "parentNode", until );
2991         },
2992         next: function( elem ) {
2993                 return sibling( elem, "nextSibling" );
2994         },
2995         prev: function( elem ) {
2996                 return sibling( elem, "previousSibling" );
2997         },
2998         nextAll: function( elem ) {
2999                 return jQuery.dir( elem, "nextSibling" );
3000         },
3001         prevAll: function( elem ) {
3002                 return jQuery.dir( elem, "previousSibling" );
3003         },
3004         nextUntil: function( elem, i, until ) {
3005                 return jQuery.dir( elem, "nextSibling", until );
3006         },
3007         prevUntil: function( elem, i, until ) {
3008                 return jQuery.dir( elem, "previousSibling", until );
3009         },
3010         siblings: function( elem ) {
3011                 return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
3012         },
3013         children: function( elem ) {
3014                 return jQuery.sibling( elem.firstChild );
3015         },
3016         contents: function( elem ) {
3017                 return jQuery.nodeName( elem, "iframe" ) ?
3018                         elem.contentDocument || elem.contentWindow.document :
3019                         jQuery.merge( [], elem.childNodes );
3020         }
3021 }, function( name, fn ) {
3022         jQuery.fn[ name ] = function( until, selector ) {
3023                 var ret = jQuery.map( this, fn, until );
3024
3025                 if ( name.slice( -5 ) !== "Until" ) {
3026                         selector = until;
3027                 }
3028
3029                 if ( selector && typeof selector === "string" ) {
3030                         ret = jQuery.filter( selector, ret );
3031                 }
3032
3033                 if ( this.length > 1 ) {
3034                         // Remove duplicates
3035                         if ( !guaranteedUnique[ name ] ) {
3036                                 ret = jQuery.unique( ret );
3037                         }
3038
3039                         // Reverse order for parents* and prev-derivatives
3040                         if ( rparentsprev.test( name ) ) {
3041                                 ret = ret.reverse();
3042                         }
3043                 }
3044
3045                 return this.pushStack( ret );
3046         };
3047 });
3048 var rnotwhite = (/\S+/g);
3049
3050
3051
3052 // String to Object options format cache
3053 var optionsCache = {};
3054
3055 // Convert String-formatted options into Object-formatted ones and store in cache
3056 function createOptions( options ) {
3057         var object = optionsCache[ options ] = {};
3058         jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) {
3059                 object[ flag ] = true;
3060         });
3061         return object;
3062 }
3063
3064 /*
3065  * Create a callback list using the following parameters:
3066  *
3067  *      options: an optional list of space-separated options that will change how
3068  *                      the callback list behaves or a more traditional option object
3069  *
3070  * By default a callback list will act like an event callback list and can be
3071  * "fired" multiple times.
3072  *
3073  * Possible options:
3074  *
3075  *      once:                   will ensure the callback list can only be fired once (like a Deferred)
3076  *
3077  *      memory:                 will keep track of previous values and will call any callback added
3078  *                                      after the list has been fired right away with the latest "memorized"
3079  *                                      values (like a Deferred)
3080  *
3081  *      unique:                 will ensure a callback can only be added once (no duplicate in the list)
3082  *
3083  *      stopOnFalse:    interrupt callings when a callback returns false
3084  *
3085  */
3086 jQuery.Callbacks = function( options ) {
3087
3088         // Convert options from String-formatted to Object-formatted if needed
3089         // (we check in cache first)
3090         options = typeof options === "string" ?
3091                 ( optionsCache[ options ] || createOptions( options ) ) :
3092                 jQuery.extend( {}, options );
3093
3094         var // Flag to know if list is currently firing
3095                 firing,
3096                 // Last fire value (for non-forgettable lists)
3097                 memory,
3098                 // Flag to know if list was already fired
3099                 fired,
3100                 // End of the loop when firing
3101                 firingLength,
3102                 // Index of currently firing callback (modified by remove if needed)
3103                 firingIndex,
3104                 // First callback to fire (used internally by add and fireWith)
3105                 firingStart,
3106                 // Actual callback list
3107                 list = [],
3108                 // Stack of fire calls for repeatable lists
3109                 stack = !options.once && [],
3110                 // Fire callbacks
3111                 fire = function( data ) {
3112                         memory = options.memory && data;
3113                         fired = true;
3114                         firingIndex = firingStart || 0;
3115                         firingStart = 0;
3116                         firingLength = list.length;
3117                         firing = true;
3118                         for ( ; list && firingIndex < firingLength; firingIndex++ ) {
3119                                 if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) {
3120                                         memory = false; // To prevent further calls using add
3121                                         break;
3122                                 }
3123                         }
3124                         firing = false;
3125                         if ( list ) {
3126                                 if ( stack ) {
3127                                         if ( stack.length ) {
3128                                                 fire( stack.shift() );
3129                                         }
3130                                 } else if ( memory ) {
3131                                         list = [];
3132                                 } else {
3133                                         self.disable();
3134                                 }
3135                         }
3136                 },
3137                 // Actual Callbacks object
3138                 self = {
3139                         // Add a callback or a collection of callbacks to the list
3140                         add: function() {
3141                                 if ( list ) {
3142                                         // First, we save the current length
3143                                         var start = list.length;
3144                                         (function add( args ) {
3145                                                 jQuery.each( args, function( _, arg ) {
3146                                                         var type = jQuery.type( arg );
3147                                                         if ( type === "function" ) {
3148                                                                 if ( !options.unique || !self.has( arg ) ) {
3149                                                                         list.push( arg );
3150                                                                 }
3151                                                         } else if ( arg && arg.length && type !== "string" ) {
3152                                                                 // Inspect recursively
3153                                                                 add( arg );
3154                                                         }
3155                                                 });
3156                                         })( arguments );
3157                                         // Do we need to add the callbacks to the
3158                                         // current firing batch?
3159                                         if ( firing ) {
3160                                                 firingLength = list.length;
3161                                         // With memory, if we're not firing then
3162                                         // we should call right away
3163                                         } else if ( memory ) {
3164                                                 firingStart = start;
3165                                                 fire( memory );
3166                                         }
3167                                 }
3168                                 return this;
3169                         },
3170                         // Remove a callback from the list
3171                         remove: function() {
3172                                 if ( list ) {
3173                                         jQuery.each( arguments, function( _, arg ) {
3174                                                 var index;
3175                                                 while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3176                                                         list.splice( index, 1 );
3177                                                         // Handle firing indexes
3178                                                         if ( firing ) {
3179                                                                 if ( index <= firingLength ) {
3180                                                                         firingLength--;
3181                                                                 }
3182                                                                 if ( index <= firingIndex ) {
3183                                                                         firingIndex--;
3184                                                                 }
3185                                                         }
3186                                                 }
3187                                         });
3188                                 }
3189                                 return this;
3190                         },
3191                         // Check if a given callback is in the list.
3192                         // If no argument is given, return whether or not list has callbacks attached.
3193                         has: function( fn ) {
3194                                 return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length );
3195                         },
3196                         // Remove all callbacks from the list
3197                         empty: function() {
3198                                 list = [];
3199                                 firingLength = 0;
3200                                 return this;
3201                         },
3202                         // Have the list do nothing anymore
3203                         disable: function() {
3204                                 list = stack = memory = undefined;
3205                                 return this;
3206                         },
3207                         // Is it disabled?
3208                         disabled: function() {
3209                                 return !list;
3210                         },
3211                         // Lock the list in its current state
3212                         lock: function() {
3213                                 stack = undefined;
3214                                 if ( !memory ) {
3215                                         self.disable();
3216                                 }
3217                                 return this;
3218                         },
3219                         // Is it locked?
3220                         locked: function() {
3221                                 return !stack;
3222                         },
3223                         // Call all callbacks with the given context and arguments
3224                         fireWith: function( context, args ) {
3225                                 if ( list && ( !fired || stack ) ) {
3226                                         args = args || [];
3227                                         args = [ context, args.slice ? args.slice() : args ];
3228                                         if ( firing ) {
3229                                                 stack.push( args );
3230                                         } else {
3231                                                 fire( args );
3232                                         }
3233                                 }
3234                                 return this;
3235                         },
3236                         // Call all the callbacks with the given arguments
3237                         fire: function() {
3238                                 self.fireWith( this, arguments );
3239                                 return this;
3240                         },
3241                         // To know if the callbacks have already been called at least once
3242                         fired: function() {
3243                                 return !!fired;
3244                         }
3245                 };
3246
3247         return self;
3248 };
3249
3250
3251 jQuery.extend({
3252
3253         Deferred: function( func ) {
3254                 var tuples = [
3255                                 // action, add listener, listener list, final state
3256                                 [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ],
3257                                 [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ],
3258                                 [ "notify", "progress", jQuery.Callbacks("memory") ]
3259                         ],
3260                         state = "pending",
3261                         promise = {
3262                                 state: function() {
3263                                         return state;
3264                                 },
3265                                 always: function() {
3266                                         deferred.done( arguments ).fail( arguments );
3267                                         return this;
3268                                 },
3269                                 then: function( /* fnDone, fnFail, fnProgress */ ) {
3270                                         var fns = arguments;
3271                                         return jQuery.Deferred(function( newDefer ) {
3272                                                 jQuery.each( tuples, function( i, tuple ) {
3273                                                         var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];
3274                                                         // deferred[ done | fail | progress ] for forwarding actions to newDefer
3275                                                         deferred[ tuple[1] ](function() {
3276                                                                 var returned = fn && fn.apply( this, arguments );
3277                                                                 if ( returned && jQuery.isFunction( returned.promise ) ) {
3278                                                                         returned.promise()
3279                                                                                 .done( newDefer.resolve )
3280                                                                                 .fail( newDefer.reject )
3281                                                                                 .progress( newDefer.notify );
3282                                                                 } else {
3283                                                                         newDefer[ tuple[ 0 ] + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments );
3284                                                                 }
3285                                                         });
3286                                                 });
3287                                                 fns = null;
3288                                         }).promise();
3289                                 },
3290                                 // Get a promise for this deferred
3291                                 // If obj is provided, the promise aspect is added to the object
3292                                 promise: function( obj ) {
3293                                         return obj != null ? jQuery.extend( obj, promise ) : promise;
3294                                 }
3295                         },
3296                         deferred = {};
3297
3298                 // Keep pipe for back-compat
3299                 promise.pipe = promise.then;
3300
3301                 // Add list-specific methods
3302                 jQuery.each( tuples, function( i, tuple ) {
3303                         var list = tuple[ 2 ],
3304                                 stateString = tuple[ 3 ];
3305
3306                         // promise[ done | fail | progress ] = list.add
3307                         promise[ tuple[1] ] = list.add;
3308
3309                         // Handle state
3310                         if ( stateString ) {
3311                                 list.add(function() {
3312                                         // state = [ resolved | rejected ]
3313                                         state = stateString;
3314
3315                                 // [ reject_list | resolve_list ].disable; progress_list.lock
3316                                 }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );
3317                         }
3318
3319                         // deferred[ resolve | reject | notify ]
3320                         deferred[ tuple[0] ] = function() {
3321                                 deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments );
3322                                 return this;
3323                         };
3324                         deferred[ tuple[0] + "With" ] = list.fireWith;
3325                 });
3326
3327                 // Make the deferred a promise
3328                 promise.promise( deferred );
3329
3330                 // Call given func if any
3331                 if ( func ) {
3332                         func.call( deferred, deferred );
3333                 }
3334
3335                 // All done!
3336                 return deferred;
3337         },
3338
3339         // Deferred helper
3340         when: function( subordinate /* , ..., subordinateN */ ) {
3341                 var i = 0,
3342                         resolveValues = slice.call( arguments ),
3343                         length = resolveValues.length,
3344
3345                         // the count of uncompleted subordinates
3346                         remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,
3347
3348                         // the master Deferred. If resolveValues consist of only a single Deferred, just use that.
3349                         deferred = remaining === 1 ? subordinate : jQuery.Deferred(),
3350
3351                         // Update function for both resolve and progress values
3352                         updateFunc = function( i, contexts, values ) {
3353                                 return function( value ) {
3354                                         contexts[ i ] = this;
3355                                         values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
3356                                         if ( values === progressValues ) {
3357                                                 deferred.notifyWith( contexts, values );
3358
3359                                         } else if ( !(--remaining) ) {
3360                                                 deferred.resolveWith( contexts, values );
3361                                         }
3362                                 };
3363                         },
3364
3365                         progressValues, progressContexts, resolveContexts;
3366
3367                 // add listeners to Deferred subordinates; treat others as resolved
3368                 if ( length > 1 ) {
3369                         progressValues = new Array( length );
3370                         progressContexts = new Array( length );
3371                         resolveContexts = new Array( length );
3372                         for ( ; i < length; i++ ) {
3373                                 if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {
3374                                         resolveValues[ i ].promise()
3375                                                 .done( updateFunc( i, resolveContexts, resolveValues ) )
3376                                                 .fail( deferred.reject )
3377                                                 .progress( updateFunc( i, progressContexts, progressValues ) );
3378                                 } else {
3379                                         --remaining;
3380                                 }
3381                         }
3382                 }
3383
3384                 // if we're not waiting on anything, resolve the master
3385                 if ( !remaining ) {
3386                         deferred.resolveWith( resolveContexts, resolveValues );
3387                 }
3388
3389                 return deferred.promise();
3390         }
3391 });
3392
3393
3394 // The deferred used on DOM ready
3395 var readyList;
3396
3397 jQuery.fn.ready = function( fn ) {
3398         // Add the callback
3399         jQuery.ready.promise().done( fn );
3400
3401         return this;
3402 };
3403
3404 jQuery.extend({
3405         // Is the DOM ready to be used? Set to true once it occurs.
3406         isReady: false,
3407
3408         // A counter to track how many items to wait for before
3409         // the ready event fires. See #6781
3410         readyWait: 1,
3411
3412         // Hold (or release) the ready event
3413         holdReady: function( hold ) {
3414                 if ( hold ) {
3415                         jQuery.readyWait++;
3416                 } else {
3417                         jQuery.ready( true );
3418                 }
3419         },
3420
3421         // Handle when the DOM is ready
3422         ready: function( wait ) {
3423
3424                 // Abort if there are pending holds or we're already ready
3425                 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
3426                         return;
3427                 }
3428
3429                 // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
3430                 if ( !document.body ) {
3431                         return setTimeout( jQuery.ready );
3432                 }
3433
3434                 // Remember that the DOM is ready
3435                 jQuery.isReady = true;
3436
3437                 // If a normal DOM Ready event fired, decrement, and wait if need be
3438                 if ( wait !== true && --jQuery.readyWait > 0 ) {
3439                         return;
3440                 }
3441
3442                 // If there are functions bound, to execute
3443                 readyList.resolveWith( document, [ jQuery ] );
3444
3445                 // Trigger any bound ready events
3446                 if ( jQuery.fn.triggerHandler ) {
3447                         jQuery( document ).triggerHandler( "ready" );
3448                         jQuery( document ).off( "ready" );
3449                 }
3450         }
3451 });
3452
3453 /**
3454  * Clean-up method for dom ready events
3455  */
3456 function detach() {
3457         if ( document.addEventListener ) {
3458                 document.removeEventListener( "DOMContentLoaded", completed, false );
3459                 window.removeEventListener( "load", completed, false );
3460
3461         } else {
3462                 document.detachEvent( "onreadystatechange", completed );
3463                 window.detachEvent( "onload", completed );
3464         }
3465 }
3466
3467 /**
3468  * The ready event handler and self cleanup method
3469  */
3470 function completed() {
3471         // readyState === "complete" is good enough for us to call the dom ready in oldIE
3472         if ( document.addEventListener || event.type === "load" || document.readyState === "complete" ) {
3473                 detach();
3474                 jQuery.ready();
3475         }
3476 }
3477
3478 jQuery.ready.promise = function( obj ) {
3479         if ( !readyList ) {
3480
3481                 readyList = jQuery.Deferred();
3482
3483                 // Catch cases where $(document).ready() is called after the browser event has already occurred.
3484                 // we once tried to use readyState "interactive" here, but it caused issues like the one
3485                 // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
3486                 if ( document.readyState === "complete" ) {
3487                         // Handle it asynchronously to allow scripts the opportunity to delay ready
3488                         setTimeout( jQuery.ready );
3489
3490                 // Standards-based browsers support DOMContentLoaded
3491                 } else if ( document.addEventListener ) {
3492                         // Use the handy event callback
3493                         document.addEventListener( "DOMContentLoaded", completed, false );
3494
3495                         // A fallback to window.onload, that will always work
3496                         window.addEventListener( "load", completed, false );
3497
3498                 // If IE event model is used
3499                 } else {
3500                         // Ensure firing before onload, maybe late but safe also for iframes
3501                         document.attachEvent( "onreadystatechange", completed );
3502
3503                         // A fallback to window.onload, that will always work
3504                         window.attachEvent( "onload", completed );
3505
3506                         // If IE and not a frame
3507                         // continually check to see if the document is ready
3508                         var top = false;
3509
3510                         try {
3511                                 top = window.frameElement == null && document.documentElement;
3512                         } catch(e) {}
3513
3514                         if ( top && top.doScroll ) {
3515                                 (function doScrollCheck() {
3516                                         if ( !jQuery.isReady ) {
3517
3518                                                 try {
3519                                                         // Use the trick by Diego Perini
3520                                                         // http://javascript.nwbox.com/IEContentLoaded/
3521                                                         top.doScroll("left");
3522                                                 } catch(e) {
3523                                                         return setTimeout( doScrollCheck, 50 );
3524                                                 }
3525
3526                                                 // detach all dom ready events
3527                                                 detach();
3528
3529                                                 // and execute any waiting functions
3530                                                 jQuery.ready();
3531                                         }
3532                                 })();
3533                         }
3534                 }
3535         }
3536         return readyList.promise( obj );
3537 };
3538
3539
3540 var strundefined = typeof undefined;
3541
3542
3543
3544 // Support: IE<9
3545 // Iteration over object's inherited properties before its own
3546 var i;
3547 for ( i in jQuery( support ) ) {
3548         break;
3549 }
3550 support.ownLast = i !== "0";
3551
3552 // Note: most support tests are defined in their respective modules.
3553 // false until the test is run
3554 support.inlineBlockNeedsLayout = false;
3555
3556 // Execute ASAP in case we need to set body.style.zoom
3557 jQuery(function() {
3558         // Minified: var a,b,c,d
3559         var val, div, body, container;
3560
3561         body = document.getElementsByTagName( "body" )[ 0 ];
3562         if ( !body || !body.style ) {
3563                 // Return for frameset docs that don't have a body
3564                 return;
3565         }
3566
3567         // Setup
3568         div = document.createElement( "div" );
3569         container = document.createElement( "div" );
3570         container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
3571         body.appendChild( container ).appendChild( div );
3572
3573         if ( typeof div.style.zoom !== strundefined ) {
3574                 // Support: IE<8
3575                 // Check if natively block-level elements act like inline-block
3576                 // elements when setting their display to 'inline' and giving
3577                 // them layout
3578                 div.style.cssText = "display:inline;margin:0;border:0;padding:1px;width:1px;zoom:1";
3579
3580                 support.inlineBlockNeedsLayout = val = div.offsetWidth === 3;
3581                 if ( val ) {
3582                         // Prevent IE 6 from affecting layout for positioned elements #11048
3583                         // Prevent IE from shrinking the body in IE 7 mode #12869
3584                         // Support: IE<8
3585                         body.style.zoom = 1;
3586                 }
3587         }
3588
3589         body.removeChild( container );
3590 });
3591
3592
3593
3594
3595 (function() {
3596         var div = document.createElement( "div" );
3597
3598         // Execute the test only if not already executed in another module.
3599         if (support.deleteExpando == null) {
3600                 // Support: IE<9
3601                 support.deleteExpando = true;
3602                 try {
3603                         delete div.test;
3604                 } catch( e ) {
3605                         support.deleteExpando = false;
3606                 }
3607         }
3608
3609         // Null elements to avoid leaks in IE.
3610         div = null;
3611 })();
3612
3613
3614 /**
3615  * Determines whether an object can have data
3616  */
3617 jQuery.acceptData = function( elem ) {
3618         var noData = jQuery.noData[ (elem.nodeName + " ").toLowerCase() ],
3619                 nodeType = +elem.nodeType || 1;
3620
3621         // Do not set data on non-element DOM nodes because it will not be cleared (#8335).
3622         return nodeType !== 1 && nodeType !== 9 ?
3623                 false :
3624
3625                 // Nodes accept data unless otherwise specified; rejection can be conditional
3626                 !noData || noData !== true && elem.getAttribute("classid") === noData;
3627 };
3628
3629
3630 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
3631         rmultiDash = /([A-Z])/g;
3632
3633 function dataAttr( elem, key, data ) {
3634         // If nothing was found internally, try to fetch any
3635         // data from the HTML5 data-* attribute
3636         if ( data === undefined && elem.nodeType === 1 ) {
3637
3638                 var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
3639
3640                 data = elem.getAttribute( name );
3641
3642                 if ( typeof data === "string" ) {
3643                         try {
3644                                 data = data === "true" ? true :
3645                                         data === "false" ? false :
3646                                         data === "null" ? null :
3647                                         // Only convert to a number if it doesn't change the string
3648                                         +data + "" === data ? +data :
3649                                         rbrace.test( data ) ? jQuery.parseJSON( data ) :
3650                                         data;
3651                         } catch( e ) {}
3652
3653                         // Make sure we set the data so it isn't changed later
3654                         jQuery.data( elem, key, data );
3655
3656                 } else {
3657                         data = undefined;
3658                 }
3659         }
3660
3661         return data;
3662 }
3663
3664 // checks a cache object for emptiness
3665 function isEmptyDataObject( obj ) {
3666         var name;
3667         for ( name in obj ) {
3668
3669                 // if the public data object is empty, the private is still empty
3670                 if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) {
3671                         continue;
3672                 }
3673                 if ( name !== "toJSON" ) {
3674                         return false;
3675                 }
3676         }
3677
3678         return true;
3679 }
3680
3681 function internalData( elem, name, data, pvt /* Internal Use Only */ ) {
3682         if ( !jQuery.acceptData( elem ) ) {
3683                 return;
3684         }
3685
3686         var ret, thisCache,
3687                 internalKey = jQuery.expando,
3688
3689                 // We have to handle DOM nodes and JS objects differently because IE6-7
3690                 // can't GC object references properly across the DOM-JS boundary
3691                 isNode = elem.nodeType,
3692
3693                 // Only DOM nodes need the global jQuery cache; JS object data is
3694                 // attached directly to the object so GC can occur automatically
3695                 cache = isNode ? jQuery.cache : elem,
3696
3697                 // Only defining an ID for JS objects if its cache already exists allows
3698                 // the code to shortcut on the same path as a DOM node with no cache
3699                 id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;
3700
3701         // Avoid doing any more work than we need to when trying to get data on an
3702         // object that has no data at all
3703         if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && data === undefined && typeof name === "string" ) {
3704                 return;
3705         }
3706
3707         if ( !id ) {
3708                 // Only DOM nodes need a new unique ID for each element since their data
3709                 // ends up in the global cache
3710                 if ( isNode ) {
3711                         id = elem[ internalKey ] = deletedIds.pop() || jQuery.guid++;
3712                 } else {
3713                         id = internalKey;
3714                 }
3715         }
3716
3717         if ( !cache[ id ] ) {
3718                 // Avoid exposing jQuery metadata on plain JS objects when the object
3719                 // is serialized using JSON.stringify
3720                 cache[ id ] = isNode ? {} : { toJSON: jQuery.noop };
3721         }
3722
3723         // An object can be passed to jQuery.data instead of a key/value pair; this gets
3724         // shallow copied over onto the existing cache
3725         if ( typeof name === "object" || typeof name === "function" ) {
3726                 if ( pvt ) {
3727                         cache[ id ] = jQuery.extend( cache[ id ], name );
3728                 } else {
3729                         cache[ id ].data = jQuery.extend( cache[ id ].data, name );
3730                 }
3731         }
3732
3733         thisCache = cache[ id ];
3734
3735         // jQuery data() is stored in a separate object inside the object's internal data
3736         // cache in order to avoid key collisions between internal data and user-defined
3737         // data.
3738         if ( !pvt ) {
3739                 if ( !thisCache.data ) {
3740                         thisCache.data = {};
3741                 }
3742
3743                 thisCache = thisCache.data;
3744         }
3745
3746         if ( data !== undefined ) {
3747                 thisCache[ jQuery.camelCase( name ) ] = data;
3748         }
3749
3750         // Check for both converted-to-camel and non-converted data property names
3751         // If a data property was specified
3752         if ( typeof name === "string" ) {
3753
3754                 // First Try to find as-is property data
3755                 ret = thisCache[ name ];
3756
3757                 // Test for null|undefined property data
3758                 if ( ret == null ) {
3759
3760                         // Try to find the camelCased property
3761                         ret = thisCache[ jQuery.camelCase( name ) ];
3762                 }
3763         } else {
3764                 ret = thisCache;
3765         }
3766
3767         return ret;
3768 }
3769
3770 function internalRemoveData( elem, name, pvt ) {
3771         if ( !jQuery.acceptData( elem ) ) {
3772                 return;
3773         }
3774
3775         var thisCache, i,
3776                 isNode = elem.nodeType,
3777
3778                 // See jQuery.data for more information
3779                 cache = isNode ? jQuery.cache : elem,
3780                 id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
3781
3782         // If there is already no cache entry for this object, there is no
3783         // purpose in continuing
3784         if ( !cache[ id ] ) {
3785                 return;
3786         }
3787
3788         if ( name ) {
3789
3790                 thisCache = pvt ? cache[ id ] : cache[ id ].data;
3791
3792                 if ( thisCache ) {
3793
3794                         // Support array or space separated string names for data keys
3795                         if ( !jQuery.isArray( name ) ) {
3796
3797                                 // try the string as a key before any manipulation
3798                                 if ( name in thisCache ) {
3799                                         name = [ name ];
3800                                 } else {
3801
3802                                         // split the camel cased version by spaces unless a key with the spaces exists
3803                                         name = jQuery.camelCase( name );
3804                                         if ( name in thisCache ) {
3805                                                 name = [ name ];
3806                                         } else {
3807                                                 name = name.split(" ");
3808                                         }
3809                                 }
3810                         } else {
3811                                 // If "name" is an array of keys...
3812                                 // When data is initially created, via ("key", "val") signature,
3813                                 // keys will be converted to camelCase.
3814                                 // Since there is no way to tell _how_ a key was added, remove
3815                                 // both plain key and camelCase key. #12786
3816                                 // This will only penalize the array argument path.
3817                                 name = name.concat( jQuery.map( name, jQuery.camelCase ) );
3818                         }
3819
3820                         i = name.length;
3821                         while ( i-- ) {
3822                                 delete thisCache[ name[i] ];
3823                         }
3824
3825                         // If there is no data left in the cache, we want to continue
3826                         // and let the cache object itself get destroyed
3827                         if ( pvt ? !isEmptyDataObject(thisCache) : !jQuery.isEmptyObject(thisCache) ) {
3828                                 return;
3829                         }
3830                 }
3831         }
3832
3833         // See jQuery.data for more information
3834         if ( !pvt ) {
3835                 delete cache[ id ].data;
3836
3837                 // Don't destroy the parent cache unless the internal data object
3838                 // had been the only thing left in it
3839                 if ( !isEmptyDataObject( cache[ id ] ) ) {
3840                         return;
3841                 }
3842         }
3843
3844         // Destroy the cache
3845         if ( isNode ) {
3846                 jQuery.cleanData( [ elem ], true );
3847
3848         // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)
3849         /* jshint eqeqeq: false */
3850         } else if ( support.deleteExpando || cache != cache.window ) {
3851                 /* jshint eqeqeq: true */
3852                 delete cache[ id ];
3853
3854         // When all else fails, null
3855         } else {
3856                 cache[ id ] = null;
3857         }
3858 }
3859
3860 jQuery.extend({
3861         cache: {},
3862
3863         // The following elements (space-suffixed to avoid Object.prototype collisions)
3864         // throw uncatchable exceptions if you attempt to set expando properties
3865         noData: {
3866                 "applet ": true,
3867                 "embed ": true,
3868                 // ...but Flash objects (which have this classid) *can* handle expandos
3869                 "object ": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
3870         },
3871
3872         hasData: function( elem ) {
3873                 elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ];
3874                 return !!elem && !isEmptyDataObject( elem );
3875         },
3876
3877         data: function( elem, name, data ) {
3878                 return internalData( elem, name, data );
3879         },
3880
3881         removeData: function( elem, name ) {
3882                 return internalRemoveData( elem, name );
3883         },
3884
3885         // For internal use only.
3886         _data: function( elem, name, data ) {
3887                 return internalData( elem, name, data, true );
3888         },
3889
3890         _removeData: function( elem, name ) {
3891                 return internalRemoveData( elem, name, true );
3892         }
3893 });
3894
3895 jQuery.fn.extend({
3896         data: function( key, value ) {
3897                 var i, name, data,
3898                         elem = this[0],
3899                         attrs = elem && elem.attributes;
3900
3901                 // Special expections of .data basically thwart jQuery.access,
3902                 // so implement the relevant behavior ourselves
3903
3904                 // Gets all values
3905                 if ( key === undefined ) {
3906                         if ( this.length ) {
3907                                 data = jQuery.data( elem );
3908
3909                                 if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) {
3910                                         i = attrs.length;
3911                                         while ( i-- ) {
3912
3913                                                 // Support: IE11+
3914                                                 // The attrs elements can be null (#14894)
3915                                                 if ( attrs[ i ] ) {
3916                                                         name = attrs[ i ].name;
3917                                                         if ( name.indexOf( "data-" ) === 0 ) {
3918                                                                 name = jQuery.camelCase( name.slice(5) );
3919                                                                 dataAttr( elem, name, data[ name ] );
3920                                                         }
3921                                                 }
3922                                         }
3923                                         jQuery._data( elem, "parsedAttrs", true );
3924                                 }
3925                         }
3926
3927                         return data;
3928                 }
3929
3930                 // Sets multiple values
3931                 if ( typeof key === "object" ) {
3932                         return this.each(function() {
3933                                 jQuery.data( this, key );
3934                         });
3935                 }
3936
3937                 return arguments.length > 1 ?
3938
3939                         // Sets one value
3940                         this.each(function() {
3941                                 jQuery.data( this, key, value );
3942                         }) :
3943
3944                         // Gets one value
3945                         // Try to fetch any internally stored data first
3946                         elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : undefined;
3947         },
3948
3949         removeData: function( key ) {
3950                 return this.each(function() {
3951                         jQuery.removeData( this, key );
3952                 });
3953         }
3954 });
3955
3956
3957 jQuery.extend({
3958         queue: function( elem, type, data ) {
3959                 var queue;
3960
3961                 if ( elem ) {
3962                         type = ( type || "fx" ) + "queue";
3963                         queue = jQuery._data( elem, type );
3964
3965                         // Speed up dequeue by getting out quickly if this is just a lookup
3966                         if ( data ) {
3967                                 if ( !queue || jQuery.isArray(data) ) {
3968                                         queue = jQuery._data( elem, type, jQuery.makeArray(data) );
3969                                 } else {
3970                                         queue.push( data );
3971                                 }
3972                         }
3973                         return queue || [];
3974                 }
3975         },
3976
3977         dequeue: function( elem, type ) {
3978                 type = type || "fx";
3979
3980                 var queue = jQuery.queue( elem, type ),
3981                         startLength = queue.length,
3982                         fn = queue.shift(),
3983                         hooks = jQuery._queueHooks( elem, type ),
3984                         next = function() {
3985                                 jQuery.dequeue( elem, type );
3986                         };
3987
3988                 // If the fx queue is dequeued, always remove the progress sentinel
3989                 if ( fn === "inprogress" ) {
3990                         fn = queue.shift();
3991                         startLength--;
3992                 }
3993
3994                 if ( fn ) {
3995
3996                         // Add a progress sentinel to prevent the fx queue from being
3997                         // automatically dequeued
3998                         if ( type === "fx" ) {
3999                                 queue.unshift( "inprogress" );
4000                         }
4001
4002                         // clear up the last queue stop function
4003                         delete hooks.stop;
4004                         fn.call( elem, next, hooks );
4005                 }
4006
4007                 if ( !startLength && hooks ) {
4008                         hooks.empty.fire();
4009                 }
4010         },
4011
4012         // not intended for public consumption - generates a queueHooks object, or returns the current one
4013         _queueHooks: function( elem, type ) {
4014                 var key = type + "queueHooks";
4015                 return jQuery._data( elem, key ) || jQuery._data( elem, key, {
4016                         empty: jQuery.Callbacks("once memory").add(function() {
4017                                 jQuery._removeData( elem, type + "queue" );
4018                                 jQuery._removeData( elem, key );
4019                         })
4020                 });
4021         }
4022 });
4023
4024 jQuery.fn.extend({
4025         queue: function( type, data ) {
4026                 var setter = 2;
4027
4028                 if ( typeof type !== "string" ) {
4029                         data = type;
4030                         type = "fx";
4031                         setter--;
4032                 }
4033
4034                 if ( arguments.length < setter ) {
4035                         return jQuery.queue( this[0], type );
4036                 }
4037
4038                 return data === undefined ?
4039                         this :
4040                         this.each(function() {
4041                                 var queue = jQuery.queue( this, type, data );
4042
4043                                 // ensure a hooks for this queue
4044                                 jQuery._queueHooks( this, type );
4045
4046                                 if ( type === "fx" && queue[0] !== "inprogress" ) {
4047                                         jQuery.dequeue( this, type );
4048                                 }
4049                         });
4050         },
4051         dequeue: function( type ) {
4052                 return this.each(function() {
4053                         jQuery.dequeue( this, type );
4054                 });
4055         },
4056         clearQueue: function( type ) {
4057                 return this.queue( type || "fx", [] );
4058         },
4059         // Get a promise resolved when queues of a certain type
4060         // are emptied (fx is the type by default)
4061         promise: function( type, obj ) {
4062                 var tmp,
4063                         count = 1,
4064                         defer = jQuery.Deferred(),
4065                         elements = this,
4066                         i = this.length,
4067                         resolve = function() {
4068                                 if ( !( --count ) ) {
4069                                         defer.resolveWith( elements, [ elements ] );
4070                                 }
4071                         };
4072
4073                 if ( typeof type !== "string" ) {
4074                         obj = type;
4075                         type = undefined;
4076                 }
4077                 type = type || "fx";
4078
4079                 while ( i-- ) {
4080                         tmp = jQuery._data( elements[ i ], type + "queueHooks" );
4081                         if ( tmp && tmp.empty ) {
4082                                 count++;
4083                                 tmp.empty.add( resolve );
4084                         }
4085                 }
4086                 resolve();
4087                 return defer.promise( obj );
4088         }
4089 });
4090 var pnum = (/[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/).source;
4091
4092 var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4093
4094 var isHidden = function( elem, el ) {
4095                 // isHidden might be called from jQuery#filter function;
4096                 // in that case, element will be second argument
4097                 elem = el || elem;
4098                 return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
4099         };
4100
4101
4102
4103 // Multifunctional method to get and set values of a collection
4104 // The value/s can optionally be executed if it's a function
4105 var access = jQuery.access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
4106         var i = 0,
4107                 length = elems.length,
4108                 bulk = key == null;
4109
4110         // Sets many values
4111         if ( jQuery.type( key ) === "object" ) {
4112                 chainable = true;
4113                 for ( i in key ) {
4114                         jQuery.access( elems, fn, i, key[i], true, emptyGet, raw );
4115                 }
4116
4117         // Sets one value
4118         } else if ( value !== undefined ) {
4119                 chainable = true;
4120
4121                 if ( !jQuery.isFunction( value ) ) {
4122                         raw = true;
4123                 }
4124
4125                 if ( bulk ) {
4126                         // Bulk operations run against the entire set
4127                         if ( raw ) {
4128                                 fn.call( elems, value );
4129                                 fn = null;
4130
4131                         // ...except when executing function values
4132                         } else {
4133                                 bulk = fn;
4134                                 fn = function( elem, key, value ) {
4135                                         return bulk.call( jQuery( elem ), value );
4136                                 };
4137                         }
4138                 }
4139
4140                 if ( fn ) {
4141                         for ( ; i < length; i++ ) {
4142                                 fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) );
4143                         }
4144                 }
4145         }
4146
4147         return chainable ?
4148                 elems :
4149
4150                 // Gets
4151                 bulk ?
4152                         fn.call( elems ) :
4153                         length ? fn( elems[0], key ) : emptyGet;
4154 };
4155 var rcheckableType = (/^(?:checkbox|radio)$/i);
4156
4157
4158
4159 (function() {
4160         // Minified: var a,b,c
4161         var input = document.createElement( "input" ),
4162                 div = document.createElement( "div" ),
4163                 fragment = document.createDocumentFragment();
4164
4165         // Setup
4166         div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
4167
4168         // IE strips leading whitespace when .innerHTML is used
4169         support.leadingWhitespace = div.firstChild.nodeType === 3;
4170
4171         // Make sure that tbody elements aren't automatically inserted
4172         // IE will insert them into empty tables
4173         support.tbody = !div.getElementsByTagName( "tbody" ).length;
4174
4175         // Make sure that link elements get serialized correctly by innerHTML
4176         // This requires a wrapper element in IE
4177         support.htmlSerialize = !!div.getElementsByTagName( "link" ).length;
4178
4179         // Makes sure cloning an html5 element does not cause problems
4180         // Where outerHTML is undefined, this still works
4181         support.html5Clone =
4182                 document.createElement( "nav" ).cloneNode( true ).outerHTML !== "<:nav></:nav>";
4183
4184         // Check if a disconnected checkbox will retain its checked
4185         // value of true after appended to the DOM (IE6/7)
4186         input.type = "checkbox";
4187         input.checked = true;
4188         fragment.appendChild( input );
4189         support.appendChecked = input.checked;
4190
4191         // Make sure textarea (and checkbox) defaultValue is properly cloned
4192         // Support: IE6-IE11+
4193         div.innerHTML = "<textarea>x</textarea>";
4194         support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4195
4196         // #11217 - WebKit loses check when the name is after the checked attribute
4197         fragment.appendChild( div );
4198         div.innerHTML = "<input type='radio' checked='checked' name='t'/>";
4199
4200         // Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3
4201         // old WebKit doesn't clone checked state correctly in fragments
4202         support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4203
4204         // Support: IE<9
4205         // Opera does not clone events (and typeof div.attachEvent === undefined).
4206         // IE9-10 clones events bound via attachEvent, but they don't trigger with .click()
4207         support.noCloneEvent = true;
4208         if ( div.attachEvent ) {
4209                 div.attachEvent( "onclick", function() {
4210                         support.noCloneEvent = false;
4211                 });
4212
4213                 div.cloneNode( true ).click();
4214         }
4215
4216         // Execute the test only if not already executed in another module.
4217         if (support.deleteExpando == null) {
4218                 // Support: IE<9
4219                 support.deleteExpando = true;
4220                 try {
4221                         delete div.test;
4222                 } catch( e ) {
4223                         support.deleteExpando = false;
4224                 }
4225         }
4226 })();
4227
4228
4229 (function() {
4230         var i, eventName,
4231                 div = document.createElement( "div" );
4232
4233         // Support: IE<9 (lack submit/change bubble), Firefox 23+ (lack focusin event)
4234         for ( i in { submit: true, change: true, focusin: true }) {
4235                 eventName = "on" + i;
4236
4237                 if ( !(support[ i + "Bubbles" ] = eventName in window) ) {
4238                         // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP)
4239                         div.setAttribute( eventName, "t" );
4240                         support[ i + "Bubbles" ] = div.attributes[ eventName ].expando === false;
4241                 }
4242         }
4243
4244         // Null elements to avoid leaks in IE.
4245         div = null;
4246 })();
4247
4248
4249 var rformElems = /^(?:input|select|textarea)$/i,
4250         rkeyEvent = /^key/,
4251         rmouseEvent = /^(?:mouse|pointer|contextmenu)|click/,
4252         rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
4253         rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;
4254
4255 function returnTrue() {
4256         return true;
4257 }
4258
4259 function returnFalse() {
4260         return false;
4261 }
4262
4263 function safeActiveElement() {
4264         try {
4265                 return document.activeElement;
4266         } catch ( err ) { }
4267 }
4268
4269 /*
4270  * Helper functions for managing events -- not part of the public interface.
4271  * Props to Dean Edwards' addEvent library for many of the ideas.
4272  */
4273 jQuery.event = {
4274
4275         global: {},
4276
4277         add: function( elem, types, handler, data, selector ) {
4278                 var tmp, events, t, handleObjIn,
4279                         special, eventHandle, handleObj,
4280                         handlers, type, namespaces, origType,
4281                         elemData = jQuery._data( elem );
4282
4283                 // Don't attach events to noData or text/comment nodes (but allow plain objects)
4284                 if ( !elemData ) {
4285                         return;
4286                 }
4287
4288                 // Caller can pass in an object of custom data in lieu of the handler
4289                 if ( handler.handler ) {
4290                         handleObjIn = handler;
4291                         handler = handleObjIn.handler;
4292                         selector = handleObjIn.selector;
4293                 }
4294
4295                 // Make sure that the handler has a unique ID, used to find/remove it later
4296                 if ( !handler.guid ) {
4297                         handler.guid = jQuery.guid++;
4298                 }
4299
4300                 // Init the element's event structure and main handler, if this is the first
4301                 if ( !(events = elemData.events) ) {
4302                         events = elemData.events = {};
4303                 }
4304                 if ( !(eventHandle = elemData.handle) ) {
4305                         eventHandle = elemData.handle = function( e ) {
4306                                 // Discard the second event of a jQuery.event.trigger() and
4307                                 // when an event is called after a page has unloaded
4308                                 return typeof jQuery !== strundefined && (!e || jQuery.event.triggered !== e.type) ?
4309                                         jQuery.event.dispatch.apply( eventHandle.elem, arguments ) :
4310                                         undefined;
4311                         };
4312                         // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events
4313                         eventHandle.elem = elem;
4314                 }
4315
4316                 // Handle multiple events separated by a space
4317                 types = ( types || "" ).match( rnotwhite ) || [ "" ];
4318                 t = types.length;
4319                 while ( t-- ) {
4320                         tmp = rtypenamespace.exec( types[t] ) || [];
4321                         type = origType = tmp[1];
4322                         namespaces = ( tmp[2] || "" ).split( "." ).sort();
4323
4324                         // There *must* be a type, no attaching namespace-only handlers
4325                         if ( !type ) {
4326                                 continue;
4327                         }
4328
4329                         // If event changes its type, use the special event handlers for the changed type
4330                         special = jQuery.event.special[ type ] || {};
4331
4332                         // If selector defined, determine special event api type, otherwise given type
4333                         type = ( selector ? special.delegateType : special.bindType ) || type;
4334
4335                         // Update special based on newly reset type
4336                         special = jQuery.event.special[ type ] || {};
4337
4338                         // handleObj is passed to all event handlers
4339                         handleObj = jQuery.extend({
4340                                 type: type,
4341                                 origType: origType,
4342                                 data: data,
4343                                 handler: handler,
4344                                 guid: handler.guid,
4345                                 selector: selector,
4346                                 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
4347                                 namespace: namespaces.join(".")
4348                         }, handleObjIn );
4349
4350                         // Init the event handler queue if we're the first
4351                         if ( !(handlers = events[ type ]) ) {
4352                                 handlers = events[ type ] = [];
4353                                 handlers.delegateCount = 0;
4354
4355                                 // Only use addEventListener/attachEvent if the special events handler returns false
4356                                 if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
4357                                         // Bind the global event handler to the element
4358                                         if ( elem.addEventListener ) {
4359                                                 elem.addEventListener( type, eventHandle, false );
4360
4361                                         } else if ( elem.attachEvent ) {
4362                                                 elem.attachEvent( "on" + type, eventHandle );
4363                                         }
4364                                 }
4365                         }
4366
4367                         if ( special.add ) {
4368                                 special.add.call( elem, handleObj );
4369
4370                                 if ( !handleObj.handler.guid ) {
4371                                         handleObj.handler.guid = handler.guid;
4372                                 }
4373                         }
4374
4375                         // Add to the element's handler list, delegates in front
4376                         if ( selector ) {
4377                                 handlers.splice( handlers.delegateCount++, 0, handleObj );
4378                         } else {
4379                                 handlers.push( handleObj );
4380                         }
4381
4382                         // Keep track of which events have ever been used, for event optimization
4383                         jQuery.event.global[ type ] = true;
4384                 }
4385
4386                 // Nullify elem to prevent memory leaks in IE
4387                 elem = null;
4388         },
4389
4390         // Detach an event or set of events from an element
4391         remove: function( elem, types, handler, selector, mappedTypes ) {
4392                 var j, handleObj, tmp,
4393                         origCount, t, events,
4394                         special, handlers, type,
4395                         namespaces, origType,
4396                         elemData = jQuery.hasData( elem ) && jQuery._data( elem );
4397
4398                 if ( !elemData || !(events = elemData.events) ) {
4399                         return;
4400                 }
4401
4402                 // Once for each type.namespace in types; type may be omitted
4403                 types = ( types || "" ).match( rnotwhite ) || [ "" ];
4404                 t = types.length;
4405                 while ( t-- ) {
4406                         tmp = rtypenamespace.exec( types[t] ) || [];
4407                         type = origType = tmp[1];
4408                         namespaces = ( tmp[2] || "" ).split( "." ).sort();
4409
4410                         // Unbind all events (on this namespace, if provided) for the element
4411                         if ( !type ) {
4412                                 for ( type in events ) {
4413                                         jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
4414                                 }
4415                                 continue;
4416                         }
4417
4418                         special = jQuery.event.special[ type ] || {};
4419                         type = ( selector ? special.delegateType : special.bindType ) || type;
4420                         handlers = events[ type ] || [];
4421                         tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" );
4422
4423                         // Remove matching events
4424                         origCount = j = handlers.length;
4425                         while ( j-- ) {
4426                                 handleObj = handlers[ j ];
4427
4428                                 if ( ( mappedTypes || origType === handleObj.origType ) &&
4429                                         ( !handler || handler.guid === handleObj.guid ) &&
4430                                         ( !tmp || tmp.test( handleObj.namespace ) ) &&
4431                                         ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) {
4432                                         handlers.splice( j, 1 );
4433
4434                                         if ( handleObj.selector ) {
4435                                                 handlers.delegateCount--;
4436                                         }
4437                                         if ( special.remove ) {
4438                                                 special.remove.call( elem, handleObj );
4439                                         }
4440                                 }
4441                         }
4442
4443                         // Remove generic event handler if we removed something and no more handlers exist
4444                         // (avoids potential for endless recursion during removal of special event handlers)
4445                         if ( origCount && !handlers.length ) {
4446                                 if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
4447                                         jQuery.removeEvent( elem, type, elemData.handle );
4448                                 }
4449
4450                                 delete events[ type ];
4451                         }
4452                 }
4453
4454                 // Remove the expando if it's no longer used
4455                 if ( jQuery.isEmptyObject( events ) ) {
4456                         delete elemData.handle;
4457
4458                         // removeData also checks for emptiness and clears the expando if empty
4459                         // so use it instead of delete
4460                         jQuery._removeData( elem, "events" );
4461                 }
4462         },
4463
4464         trigger: function( event, data, elem, onlyHandlers ) {
4465                 var handle, ontype, cur,
4466                         bubbleType, special, tmp, i,
4467                         eventPath = [ elem || document ],
4468                         type = hasOwn.call( event, "type" ) ? event.type : event,
4469                         namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];
4470
4471                 cur = tmp = elem = elem || document;
4472
4473                 // Don't do events on text and comment nodes
4474                 if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
4475                         return;
4476                 }
4477
4478                 // focus/blur morphs to focusin/out; ensure we're not firing them right now
4479                 if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
4480                         return;
4481                 }
4482
4483                 if ( type.indexOf(".") >= 0 ) {
4484                         // Namespaced trigger; create a regexp to match event type in handle()
4485                         namespaces = type.split(".");
4486                         type = namespaces.shift();
4487                         namespaces.sort();
4488                 }
4489                 ontype = type.indexOf(":") < 0 && "on" + type;
4490
4491                 // Caller can pass in a jQuery.Event object, Object, or just an event type string
4492                 event = event[ jQuery.expando ] ?
4493                         event :
4494                         new jQuery.Event( type, typeof event === "object" && event );
4495
4496                 // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
4497                 event.isTrigger = onlyHandlers ? 2 : 3;
4498                 event.namespace = namespaces.join(".");
4499                 event.namespace_re = event.namespace ?
4500                         new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) :
4501                         null;
4502
4503                 // Clean up the event in case it is being reused
4504                 event.result = undefined;
4505                 if ( !event.target ) {
4506                         event.target = elem;
4507                 }
4508
4509                 // Clone any incoming data and prepend the event, creating the handler arg list
4510                 data = data == null ?
4511                         [ event ] :
4512                         jQuery.makeArray( data, [ event ] );
4513
4514                 // Allow special events to draw outside the lines
4515                 special = jQuery.event.special[ type ] || {};
4516                 if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
4517                         return;
4518                 }
4519
4520                 // Determine event propagation path in advance, per W3C events spec (#9951)
4521                 // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
4522                 if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
4523
4524                         bubbleType = special.delegateType || type;
4525                         if ( !rfocusMorph.test( bubbleType + type ) ) {
4526                                 cur = cur.parentNode;
4527                         }
4528                         for ( ; cur; cur = cur.parentNode ) {
4529                                 eventPath.push( cur );
4530                                 tmp = cur;
4531                         }
4532
4533                         // Only add window if we got to document (e.g., not plain obj or detached DOM)
4534                         if ( tmp === (elem.ownerDocument || document) ) {
4535                                 eventPath.push( tmp.defaultView || tmp.parentWindow || window );
4536                         }
4537                 }
4538
4539                 // Fire handlers on the event path
4540                 i = 0;
4541                 while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) {
4542
4543                         event.type = i > 1 ?
4544                                 bubbleType :
4545                                 special.bindType || type;
4546
4547                         // jQuery handler
4548                         handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" );
4549                         if ( handle ) {
4550                                 handle.apply( cur, data );
4551                         }
4552
4553                         // Native handler
4554                         handle = ontype && cur[ ontype ];
4555                         if ( handle && handle.apply && jQuery.acceptData( cur ) ) {
4556                                 event.result = handle.apply( cur, data );
4557                                 if ( event.result === false ) {
4558                                         event.preventDefault();
4559                                 }
4560                         }
4561                 }
4562                 event.type = type;
4563
4564                 // If nobody prevented the default action, do it now
4565                 if ( !onlyHandlers && !event.isDefaultPrevented() ) {
4566
4567                         if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) &&
4568                                 jQuery.acceptData( elem ) ) {
4569
4570                                 // Call a native DOM method on the target with the same name name as the event.
4571                                 // Can't use an .isFunction() check here because IE6/7 fails that test.
4572                                 // Don't do default actions on window, that's where global variables be (#6170)
4573                                 if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) {
4574
4575                                         // Don't re-trigger an onFOO event when we call its FOO() method
4576                                         tmp = elem[ ontype ];
4577
4578                                         if ( tmp ) {
4579                                                 elem[ ontype ] = null;
4580                                         }
4581
4582                                         // Prevent re-triggering of the same event, since we already bubbled it above
4583                                         jQuery.event.triggered = type;
4584                                         try {
4585                                                 elem[ type ]();
4586                                         } catch ( e ) {
4587                                                 // IE<9 dies on focus/blur to hidden element (#1486,#12518)
4588                                                 // only reproducible on winXP IE8 native, not IE9 in IE8 mode
4589                                         }
4590                                         jQuery.event.triggered = undefined;
4591
4592                                         if ( tmp ) {
4593                                                 elem[ ontype ] = tmp;
4594                                         }
4595                                 }
4596                         }
4597                 }
4598
4599                 return event.result;
4600         },
4601
4602         dispatch: function( event ) {
4603
4604                 // Make a writable jQuery.Event from the native event object
4605                 event = jQuery.event.fix( event );
4606
4607                 var i, ret, handleObj, matched, j,
4608                         handlerQueue = [],
4609                         args = slice.call( arguments ),
4610                         handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [],
4611                         special = jQuery.event.special[ event.type ] || {};
4612
4613                 // Use the fix-ed jQuery.Event rather than the (read-only) native event
4614                 args[0] = event;
4615                 event.delegateTarget = this;
4616
4617                 // Call the preDispatch hook for the mapped type, and let it bail if desired
4618                 if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
4619                         return;
4620                 }
4621
4622                 // Determine handlers
4623                 handlerQueue = jQuery.event.handlers.call( this, event, handlers );
4624
4625                 // Run delegates first; they may want to stop propagation beneath us
4626                 i = 0;
4627                 while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) {
4628                         event.currentTarget = matched.elem;
4629
4630                         j = 0;
4631                         while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) {
4632
4633                                 // Triggered event must either 1) have no namespace, or
4634                                 // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
4635                                 if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) {
4636
4637                                         event.handleObj = handleObj;
4638                                         event.data = handleObj.data;
4639
4640                                         ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler )
4641                                                         .apply( matched.elem, args );
4642
4643                                         if ( ret !== undefined ) {
4644                                                 if ( (event.result = ret) === false ) {
4645                                                         event.preventDefault();
4646                                                         event.stopPropagation();
4647                                                 }
4648                                         }
4649                                 }
4650                         }
4651                 }
4652
4653                 // Call the postDispatch hook for the mapped type
4654                 if ( special.postDispatch ) {
4655                         special.postDispatch.call( this, event );
4656                 }
4657
4658                 return event.result;
4659         },
4660
4661         handlers: function( event, handlers ) {
4662                 var sel, handleObj, matches, i,
4663                         handlerQueue = [],
4664                         delegateCount = handlers.delegateCount,
4665                         cur = event.target;
4666
4667                 // Find delegate handlers
4668                 // Black-hole SVG <use> instance trees (#13180)
4669                 // Avoid non-left-click bubbling in Firefox (#3861)
4670                 if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) {
4671
4672                         /* jshint eqeqeq: false */
4673                         for ( ; cur != this; cur = cur.parentNode || this ) {
4674                                 /* jshint eqeqeq: true */
4675
4676                                 // Don't check non-elements (#13208)
4677                                 // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
4678                                 if ( cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click") ) {
4679                                         matches = [];
4680                                         for ( i = 0; i < delegateCount; i++ ) {
4681                                                 handleObj = handlers[ i ];
4682
4683                                                 // Don't conflict with Object.prototype properties (#13203)
4684                                                 sel = handleObj.selector + " ";
4685
4686                                                 if ( matches[ sel ] === undefined ) {
4687                                                         matches[ sel ] = handleObj.needsContext ?
4688                                                                 jQuery( sel, this ).index( cur ) >= 0 :
4689                                                                 jQuery.find( sel, this, null, [ cur ] ).length;
4690                                                 }
4691                                                 if ( matches[ sel ] ) {
4692                                                         matches.push( handleObj );
4693                                                 }
4694                                         }
4695                                         if ( matches.length ) {
4696                                                 handlerQueue.push({ elem: cur, handlers: matches });
4697                                         }
4698                                 }
4699                         }
4700                 }
4701
4702                 // Add the remaining (directly-bound) handlers
4703                 if ( delegateCount < handlers.length ) {
4704                         handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) });
4705                 }
4706
4707                 return handlerQueue;
4708         },
4709
4710         fix: function( event ) {
4711                 if ( event[ jQuery.expando ] ) {
4712                         return event;
4713                 }
4714
4715                 // Create a writable copy of the event object and normalize some properties
4716                 var i, prop, copy,
4717                         type = event.type,
4718                         originalEvent = event,
4719                         fixHook = this.fixHooks[ type ];
4720
4721                 if ( !fixHook ) {
4722                         this.fixHooks[ type ] = fixHook =
4723                                 rmouseEvent.test( type ) ? this.mouseHooks :
4724                                 rkeyEvent.test( type ) ? this.keyHooks :
4725                                 {};
4726                 }
4727                 copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
4728
4729                 event = new jQuery.Event( originalEvent );
4730
4731                 i = copy.length;
4732                 while ( i-- ) {
4733                         prop = copy[ i ];
4734                         event[ prop ] = originalEvent[ prop ];
4735                 }
4736
4737                 // Support: IE<9
4738                 // Fix target property (#1925)
4739                 if ( !event.target ) {
4740                         event.target = originalEvent.srcElement || document;
4741                 }
4742
4743                 // Support: Chrome 23+, Safari?
4744                 // Target should not be a text node (#504, #13143)
4745                 if ( event.target.nodeType === 3 ) {
4746                         event.target = event.target.parentNode;
4747                 }
4748
4749                 // Support: IE<9
4750                 // For mouse/key events, metaKey==false if it's undefined (#3368, #11328)
4751                 event.metaKey = !!event.metaKey;
4752
4753                 return fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
4754         },
4755
4756         // Includes some event props shared by KeyEvent and MouseEvent
4757         props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),
4758
4759         fixHooks: {},
4760
4761         keyHooks: {
4762                 props: "char charCode key keyCode".split(" "),
4763                 filter: function( event, original ) {
4764
4765                         // Add which for key events
4766                         if ( event.which == null ) {
4767                                 event.which = original.charCode != null ? original.charCode : original.keyCode;
4768                         }
4769
4770                         return event;
4771                 }
4772         },
4773
4774         mouseHooks: {
4775                 props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "),
4776                 filter: function( event, original ) {
4777                         var body, eventDoc, doc,
4778                                 button = original.button,
4779                                 fromElement = original.fromElement;
4780
4781                         // Calculate pageX/Y if missing and clientX/Y available
4782                         if ( event.pageX == null && original.clientX != null ) {
4783                                 eventDoc = event.target.ownerDocument || document;
4784                                 doc = eventDoc.documentElement;
4785                                 body = eventDoc.body;
4786
4787                                 event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 );
4788                                 event.pageY = original.clientY + ( doc && doc.scrollTop  || body && body.scrollTop  || 0 ) - ( doc && doc.clientTop  || body && body.clientTop  || 0 );
4789                         }
4790
4791                         // Add relatedTarget, if necessary
4792                         if ( !event.relatedTarget && fromElement ) {
4793                                 event.relatedTarget = fromElement === event.target ? original.toElement : fromElement;
4794                         }
4795
4796                         // Add which for click: 1 === left; 2 === middle; 3 === right
4797                         // Note: button is not normalized, so don't use it
4798                         if ( !event.which && button !== undefined ) {
4799                                 event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
4800                         }
4801
4802                         return event;
4803                 }
4804         },
4805
4806         special: {
4807                 load: {
4808                         // Prevent triggered image.load events from bubbling to window.load
4809                         noBubble: true
4810                 },
4811                 focus: {
4812                         // Fire native event if possible so blur/focus sequence is correct
4813                         trigger: function() {
4814                                 if ( this !== safeActiveElement() && this.focus ) {
4815                                         try {
4816                                                 this.focus();
4817                                                 return false;
4818                                         } catch ( e ) {
4819                                                 // Support: IE<9
4820                                                 // If we error on focus to hidden element (#1486, #12518),
4821                                                 // let .trigger() run the handlers
4822                                         }
4823                                 }
4824                         },
4825                         delegateType: "focusin"
4826                 },
4827                 blur: {
4828                         trigger: function() {
4829                                 if ( this === safeActiveElement() && this.blur ) {
4830                                         this.blur();
4831                                         return false;
4832                                 }
4833                         },
4834                         delegateType: "focusout"
4835                 },
4836                 click: {
4837                         // For checkbox, fire native event so checked state will be right
4838                         trigger: function() {
4839                                 if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) {
4840                                         this.click();
4841                                         return false;
4842                                 }
4843                         },
4844
4845                         // For cross-browser consistency, don't fire native .click() on links
4846                         _default: function( event ) {
4847                                 return jQuery.nodeName( event.target, "a" );
4848                         }
4849                 },
4850
4851                 beforeunload: {
4852                         postDispatch: function( event ) {
4853
4854                                 // Support: Firefox 20+
4855                                 // Firefox doesn't alert if the returnValue field is not set.
4856                                 if ( event.result !== undefined && event.originalEvent ) {
4857                                         event.originalEvent.returnValue = event.result;
4858                                 }
4859                         }
4860                 }
4861         },
4862
4863         simulate: function( type, elem, event, bubble ) {
4864                 // Piggyback on a donor event to simulate a different one.
4865                 // Fake originalEvent to avoid donor's stopPropagation, but if the
4866                 // simulated event prevents default then we do the same on the donor.
4867                 var e = jQuery.extend(
4868                         new jQuery.Event(),
4869                         event,
4870                         {
4871                                 type: type,
4872                                 isSimulated: true,
4873                                 originalEvent: {}
4874                         }
4875                 );
4876                 if ( bubble ) {
4877                         jQuery.event.trigger( e, null, elem );
4878                 } else {
4879                         jQuery.event.dispatch.call( elem, e );
4880                 }
4881                 if ( e.isDefaultPrevented() ) {
4882                         event.preventDefault();
4883                 }
4884         }
4885 };
4886
4887 jQuery.removeEvent = document.removeEventListener ?
4888         function( elem, type, handle ) {
4889                 if ( elem.removeEventListener ) {
4890                         elem.removeEventListener( type, handle, false );
4891                 }
4892         } :
4893         function( elem, type, handle ) {
4894                 var name = "on" + type;
4895
4896                 if ( elem.detachEvent ) {
4897
4898                         // #8545, #7054, preventing memory leaks for custom events in IE6-8
4899                         // detachEvent needed property on element, by name of that event, to properly expose it to GC
4900                         if ( typeof elem[ name ] === strundefined ) {
4901                                 elem[ name ] = null;
4902                         }
4903
4904                         elem.detachEvent( name, handle );
4905                 }
4906         };
4907
4908 jQuery.Event = function( src, props ) {
4909         // Allow instantiation without the 'new' keyword
4910         if ( !(this instanceof jQuery.Event) ) {
4911                 return new jQuery.Event( src, props );
4912         }
4913
4914         // Event object
4915         if ( src && src.type ) {
4916                 this.originalEvent = src;
4917                 this.type = src.type;
4918
4919                 // Events bubbling up the document may have been marked as prevented
4920                 // by a handler lower down the tree; reflect the correct value.
4921                 this.isDefaultPrevented = src.defaultPrevented ||
4922                                 src.defaultPrevented === undefined &&
4923                                 // Support: IE < 9, Android < 4.0
4924                                 src.returnValue === false ?
4925                         returnTrue :
4926                         returnFalse;
4927
4928         // Event type
4929         } else {
4930                 this.type = src;
4931         }
4932
4933         // Put explicitly provided properties onto the event object
4934         if ( props ) {
4935                 jQuery.extend( this, props );
4936         }
4937
4938         // Create a timestamp if incoming event doesn't have one
4939         this.timeStamp = src && src.timeStamp || jQuery.now();
4940
4941         // Mark it as fixed
4942         this[ jQuery.expando ] = true;
4943 };
4944
4945 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
4946 // http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
4947 jQuery.Event.prototype = {
4948         isDefaultPrevented: returnFalse,
4949         isPropagationStopped: returnFalse,
4950         isImmediatePropagationStopped: returnFalse,
4951
4952         preventDefault: function() {
4953                 var e = this.originalEvent;
4954
4955                 this.isDefaultPrevented = returnTrue;
4956                 if ( !e ) {
4957                         return;
4958                 }
4959
4960                 // If preventDefault exists, run it on the original event
4961                 if ( e.preventDefault ) {
4962                         e.preventDefault();
4963
4964                 // Support: IE
4965                 // Otherwise set the returnValue property of the original event to false
4966                 } else {
4967                         e.returnValue = false;
4968                 }
4969         },
4970         stopPropagation: function() {
4971                 var e = this.originalEvent;
4972
4973                 this.isPropagationStopped = returnTrue;
4974                 if ( !e ) {
4975                         return;
4976                 }
4977                 // If stopPropagation exists, run it on the original event
4978                 if ( e.stopPropagation ) {
4979                         e.stopPropagation();
4980                 }
4981
4982                 // Support: IE
4983                 // Set the cancelBubble property of the original event to true
4984                 e.cancelBubble = true;
4985         },
4986         stopImmediatePropagation: function() {
4987                 var e = this.originalEvent;
4988
4989                 this.isImmediatePropagationStopped = returnTrue;
4990
4991                 if ( e && e.stopImmediatePropagation ) {
4992                         e.stopImmediatePropagation();
4993                 }
4994
4995                 this.stopPropagation();
4996         }
4997 };
4998
4999 // Create mouseenter/leave events using mouseover/out and event-time checks
5000 jQuery.each({
5001         mouseenter: "mouseover",
5002         mouseleave: "mouseout",
5003         pointerenter: "pointerover",
5004         pointerleave: "pointerout"
5005 }, function( orig, fix ) {
5006         jQuery.event.special[ orig ] = {
5007                 delegateType: fix,
5008                 bindType: fix,
5009
5010                 handle: function( event ) {
5011                         var ret,
5012                                 target = this,
5013                                 related = event.relatedTarget,
5014                                 handleObj = event.handleObj;
5015
5016                         // For mousenter/leave call the handler if related is outside the target.
5017                         // NB: No relatedTarget if the mouse left/entered the browser window
5018                         if ( !related || (related !== target && !jQuery.contains( target, related )) ) {
5019                                 event.type = handleObj.origType;
5020                                 ret = handleObj.handler.apply( this, arguments );
5021                                 event.type = fix;
5022                         }
5023                         return ret;
5024                 }
5025         };
5026 });
5027
5028 // IE submit delegation
5029 if ( !support.submitBubbles ) {
5030
5031         jQuery.event.special.submit = {
5032                 setup: function() {
5033                         // Only need this for delegated form submit events
5034                         if ( jQuery.nodeName( this, "form" ) ) {
5035                                 return false;
5036                         }
5037
5038                         // Lazy-add a submit handler when a descendant form may potentially be submitted
5039                         jQuery.event.add( this, "click._submit keypress._submit", function( e ) {
5040                                 // Node name check avoids a VML-related crash in IE (#9807)
5041                                 var elem = e.target,
5042                                         form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined;
5043                                 if ( form && !jQuery._data( form, "submitBubbles" ) ) {
5044                                         jQuery.event.add( form, "submit._submit", function( event ) {
5045                                                 event._submit_bubble = true;
5046                                         });
5047                                         jQuery._data( form, "submitBubbles", true );
5048                                 }
5049                         });
5050                         // return undefined since we don't need an event listener
5051                 },
5052
5053                 postDispatch: function( event ) {
5054                         // If form was submitted by the user, bubble the event up the tree
5055                         if ( event._submit_bubble ) {
5056                                 delete event._submit_bubble;
5057                                 if ( this.parentNode && !event.isTrigger ) {
5058                                         jQuery.event.simulate( "submit", this.parentNode, event, true );
5059                                 }
5060                         }
5061                 },
5062
5063                 teardown: function() {
5064                         // Only need this for delegated form submit events
5065                         if ( jQuery.nodeName( this, "form" ) ) {
5066                                 return false;
5067                         }
5068
5069                         // Remove delegated handlers; cleanData eventually reaps submit handlers attached above
5070                         jQuery.event.remove( this, "._submit" );
5071                 }
5072         };
5073 }
5074
5075 // IE change delegation and checkbox/radio fix
5076 if ( !support.changeBubbles ) {
5077
5078         jQuery.event.special.change = {
5079
5080                 setup: function() {
5081
5082                         if ( rformElems.test( this.nodeName ) ) {
5083                                 // IE doesn't fire change on a check/radio until blur; trigger it on click
5084                                 // after a propertychange. Eat the blur-change in special.change.handle.
5085                                 // This still fires onchange a second time for check/radio after blur.
5086                                 if ( this.type === "checkbox" || this.type === "radio" ) {
5087                                         jQuery.event.add( this, "propertychange._change", function( event ) {
5088                                                 if ( event.originalEvent.propertyName === "checked" ) {
5089                                                         this._just_changed = true;
5090                                                 }
5091                                         });
5092                                         jQuery.event.add( this, "click._change", function( event ) {
5093                                                 if ( this._just_changed && !event.isTrigger ) {
5094                                                         this._just_changed = false;
5095                                                 }
5096                                                 // Allow triggered, simulated change events (#11500)
5097                                                 jQuery.event.simulate( "change", this, event, true );
5098                                         });
5099                                 }
5100                                 return false;
5101                         }
5102                         // Delegated event; lazy-add a change handler on descendant inputs
5103                         jQuery.event.add( this, "beforeactivate._change", function( e ) {
5104                                 var elem = e.target;
5105
5106                                 if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "changeBubbles" ) ) {
5107                                         jQuery.event.add( elem, "change._change", function( event ) {
5108                                                 if ( this.parentNode && !event.isSimulated && !event.isTrigger ) {
5109                                                         jQuery.event.simulate( "change", this.parentNode, event, true );
5110                                                 }
5111                                         });
5112                                         jQuery._data( elem, "changeBubbles", true );
5113                                 }
5114                         });
5115                 },
5116
5117                 handle: function( event ) {
5118                         var elem = event.target;
5119
5120                         // Swallow native change events from checkbox/radio, we already triggered them above
5121                         if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) {
5122                                 return event.handleObj.handler.apply( this, arguments );
5123                         }
5124                 },
5125
5126                 teardown: function() {
5127                         jQuery.event.remove( this, "._change" );
5128
5129                         return !rformElems.test( this.nodeName );
5130                 }
5131         };
5132 }
5133
5134 // Create "bubbling" focus and blur events
5135 if ( !support.focusinBubbles ) {
5136         jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
5137
5138                 // Attach a single capturing handler on the document while someone wants focusin/focusout
5139                 var handler = function( event ) {
5140                                 jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true );
5141                         };
5142
5143                 jQuery.event.special[ fix ] = {
5144                         setup: function() {
5145                                 var doc = this.ownerDocument || this,
5146                                         attaches = jQuery._data( doc, fix );
5147
5148                                 if ( !attaches ) {
5149                                         doc.addEventListener( orig, handler, true );
5150                                 }
5151                                 jQuery._data( doc, fix, ( attaches || 0 ) + 1 );
5152                         },
5153                         teardown: function() {
5154                                 var doc = this.ownerDocument || this,
5155                                         attaches = jQuery._data( doc, fix ) - 1;
5156
5157                                 if ( !attaches ) {
5158                                         doc.removeEventListener( orig, handler, true );
5159                                         jQuery._removeData( doc, fix );
5160                                 } else {
5161                                         jQuery._data( doc, fix, attaches );
5162                                 }
5163                         }
5164                 };
5165         });
5166 }
5167
5168 jQuery.fn.extend({
5169
5170         on: function( types, selector, data, fn, /*INTERNAL*/ one ) {
5171                 var type, origFn;
5172
5173                 // Types can be a map of types/handlers
5174                 if ( typeof types === "object" ) {
5175                         // ( types-Object, selector, data )
5176                         if ( typeof selector !== "string" ) {
5177                                 // ( types-Object, data )
5178                                 data = data || selector;
5179                                 selector = undefined;
5180                         }
5181                         for ( type in types ) {
5182                                 this.on( type, selector, data, types[ type ], one );
5183                         }
5184                         return this;
5185                 }
5186
5187                 if ( data == null && fn == null ) {
5188                         // ( types, fn )
5189                         fn = selector;
5190                         data = selector = undefined;
5191                 } else if ( fn == null ) {
5192                         if ( typeof selector === "string" ) {
5193                                 // ( types, selector, fn )
5194                                 fn = data;
5195                                 data = undefined;
5196                         } else {
5197                                 // ( types, data, fn )
5198                                 fn = data;
5199                                 data = selector;
5200                                 selector = undefined;
5201                         }
5202                 }
5203                 if ( fn === false ) {
5204                         fn = returnFalse;
5205                 } else if ( !fn ) {
5206                         return this;
5207                 }
5208
5209                 if ( one === 1 ) {
5210                         origFn = fn;
5211                         fn = function( event ) {
5212                                 // Can use an empty set, since event contains the info
5213                                 jQuery().off( event );
5214                                 return origFn.apply( this, arguments );
5215                         };
5216                         // Use same guid so caller can remove using origFn
5217                         fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
5218                 }
5219                 return this.each( function() {
5220                         jQuery.event.add( this, types, fn, data, selector );
5221                 });
5222         },
5223         one: function( types, selector, data, fn ) {
5224                 return this.on( types, selector, data, fn, 1 );
5225         },
5226         off: function( types, selector, fn ) {
5227                 var handleObj, type;
5228                 if ( types && types.preventDefault && types.handleObj ) {
5229                         // ( event )  dispatched jQuery.Event
5230                         handleObj = types.handleObj;
5231                         jQuery( types.delegateTarget ).off(
5232                                 handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType,
5233                                 handleObj.selector,
5234                                 handleObj.handler
5235                         );
5236                         return this;
5237                 }
5238                 if ( typeof types === "object" ) {
5239                         // ( types-object [, selector] )
5240                         for ( type in types ) {
5241                                 this.off( type, selector, types[ type ] );
5242                         }
5243                         return this;
5244                 }
5245                 if ( selector === false || typeof selector === "function" ) {
5246                         // ( types [, fn] )
5247                         fn = selector;
5248                         selector = undefined;
5249                 }
5250                 if ( fn === false ) {
5251                         fn = returnFalse;
5252                 }
5253                 return this.each(function() {
5254                         jQuery.event.remove( this, types, fn, selector );
5255                 });
5256         },
5257
5258         trigger: function( type, data ) {
5259                 return this.each(function() {
5260                         jQuery.event.trigger( type, data, this );
5261                 });
5262         },
5263         triggerHandler: function( type, data ) {
5264                 var elem = this[0];
5265                 if ( elem ) {
5266                         return jQuery.event.trigger( type, data, elem, true );
5267                 }
5268         }
5269 });
5270
5271
5272 function createSafeFragment( document ) {
5273         var list = nodeNames.split( "|" ),
5274                 safeFrag = document.createDocumentFragment();
5275
5276         if ( safeFrag.createElement ) {
5277                 while ( list.length ) {
5278                         safeFrag.createElement(
5279                                 list.pop()
5280                         );
5281                 }
5282         }
5283         return safeFrag;
5284 }
5285
5286 var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" +
5287                 "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
5288         rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g,
5289         rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"),
5290         rleadingWhitespace = /^\s+/,
5291         rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
5292         rtagName = /<([\w:]+)/,
5293         rtbody = /<tbody/i,
5294         rhtml = /<|&#?\w+;/,
5295         rnoInnerhtml = /<(?:script|style|link)/i,
5296         // checked="checked" or checked
5297         rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5298         rscriptType = /^$|\/(?:java|ecma)script/i,
5299         rscriptTypeMasked = /^true\/(.*)/,
5300         rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,
5301
5302         // We have to close these tags to support XHTML (#13200)
5303         wrapMap = {
5304                 option: [ 1, "<select multiple='multiple'>", "</select>" ],
5305                 legend: [ 1, "<fieldset>", "</fieldset>" ],
5306                 area: [ 1, "<map>", "</map>" ],
5307                 param: [ 1, "<object>", "</object>" ],
5308                 thead: [ 1, "<table>", "</table>" ],
5309                 tr: [ 2, "<table><tbody>", "</tbody></table>" ],
5310                 col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
5311                 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
5312
5313                 // IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags,
5314                 // unless wrapped in a div with non-breaking characters in front of it.
5315                 _default: support.htmlSerialize ? [ 0, "", "" ] : [ 1, "X<div>", "</div>"  ]
5316         },
5317         safeFragment = createSafeFragment( document ),
5318         fragmentDiv = safeFragment.appendChild( document.createElement("div") );
5319
5320 wrapMap.optgroup = wrapMap.option;
5321 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
5322 wrapMap.th = wrapMap.td;
5323
5324 function getAll( context, tag ) {
5325         var elems, elem,
5326                 i = 0,
5327                 found = typeof context.getElementsByTagName !== strundefined ? context.getElementsByTagName( tag || "*" ) :
5328                         typeof context.querySelectorAll !== strundefined ? context.querySelectorAll( tag || "*" ) :
5329                         undefined;
5330
5331         if ( !found ) {
5332                 for ( found = [], elems = context.childNodes || context; (elem = elems[i]) != null; i++ ) {
5333                         if ( !tag || jQuery.nodeName( elem, tag ) ) {
5334                                 found.push( elem );
5335                         } else {
5336                                 jQuery.merge( found, getAll( elem, tag ) );
5337                         }
5338                 }
5339         }
5340
5341         return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
5342                 jQuery.merge( [ context ], found ) :
5343                 found;
5344 }
5345
5346 // Used in buildFragment, fixes the defaultChecked property
5347 function fixDefaultChecked( elem ) {
5348         if ( rcheckableType.test( elem.type ) ) {
5349                 elem.defaultChecked = elem.checked;
5350         }
5351 }
5352
5353 // Support: IE<8
5354 // Manipulating tables requires a tbody
5355 function manipulationTarget( elem, content ) {
5356         return jQuery.nodeName( elem, "table" ) &&
5357                 jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ?
5358
5359                 elem.getElementsByTagName("tbody")[0] ||
5360                         elem.appendChild( elem.ownerDocument.createElement("tbody") ) :
5361                 elem;
5362 }
5363
5364 // Replace/restore the type attribute of script elements for safe DOM manipulation
5365 function disableScript( elem ) {
5366         elem.type = (jQuery.find.attr( elem, "type" ) !== null) + "/" + elem.type;
5367         return elem;
5368 }
5369 function restoreScript( elem ) {
5370         var match = rscriptTypeMasked.exec( elem.type );
5371         if ( match ) {
5372                 elem.type = match[1];
5373         } else {
5374                 elem.removeAttribute("type");
5375         }
5376         return elem;
5377 }
5378
5379 // Mark scripts as having already been evaluated
5380 function setGlobalEval( elems, refElements ) {
5381         var elem,
5382                 i = 0;
5383         for ( ; (elem = elems[i]) != null; i++ ) {
5384                 jQuery._data( elem, "globalEval", !refElements || jQuery._data( refElements[i], "globalEval" ) );
5385         }
5386 }
5387
5388 function cloneCopyEvent( src, dest ) {
5389
5390         if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
5391                 return;
5392         }
5393
5394         var type, i, l,
5395                 oldData = jQuery._data( src ),
5396                 curData = jQuery._data( dest, oldData ),
5397                 events = oldData.events;
5398
5399         if ( events ) {
5400                 delete curData.handle;
5401                 curData.events = {};
5402
5403                 for ( type in events ) {
5404                         for ( i = 0, l = events[ type ].length; i < l; i++ ) {
5405                                 jQuery.event.add( dest, type, events[ type ][ i ] );
5406                         }
5407                 }
5408         }
5409
5410         // make the cloned public data object a copy from the original
5411         if ( curData.data ) {
5412                 curData.data = jQuery.extend( {}, curData.data );
5413         }
5414 }
5415
5416 function fixCloneNodeIssues( src, dest ) {
5417         var nodeName, e, data;
5418
5419         // We do not need to do anything for non-Elements
5420         if ( dest.nodeType !== 1 ) {
5421                 return;
5422         }
5423
5424         nodeName = dest.nodeName.toLowerCase();
5425
5426         // IE6-8 copies events bound via attachEvent when using cloneNode.
5427         if ( !support.noCloneEvent && dest[ jQuery.expando ] ) {
5428                 data = jQuery._data( dest );
5429
5430                 for ( e in data.events ) {
5431                         jQuery.removeEvent( dest, e, data.handle );
5432                 }
5433
5434                 // Event data gets referenced instead of copied if the expando gets copied too
5435                 dest.removeAttribute( jQuery.expando );
5436         }
5437
5438         // IE blanks contents when cloning scripts, and tries to evaluate newly-set text
5439         if ( nodeName === "script" && dest.text !== src.text ) {
5440                 disableScript( dest ).text = src.text;
5441                 restoreScript( dest );
5442
5443         // IE6-10 improperly clones children of object elements using classid.
5444         // IE10 throws NoModificationAllowedError if parent is null, #12132.
5445         } else if ( nodeName === "object" ) {
5446                 if ( dest.parentNode ) {
5447                         dest.outerHTML = src.outerHTML;
5448                 }
5449
5450                 // This path appears unavoidable for IE9. When cloning an object
5451                 // element in IE9, the outerHTML strategy above is not sufficient.
5452                 // If the src has innerHTML and the destination does not,
5453                 // copy the src.innerHTML into the dest.innerHTML. #10324
5454                 if ( support.html5Clone && ( src.innerHTML && !jQuery.trim(dest.innerHTML) ) ) {
5455                         dest.innerHTML = src.innerHTML;
5456                 }
5457
5458         } else if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
5459                 // IE6-8 fails to persist the checked state of a cloned checkbox
5460                 // or radio button. Worse, IE6-7 fail to give the cloned element
5461                 // a checked appearance if the defaultChecked value isn't also set
5462
5463                 dest.defaultChecked = dest.checked = src.checked;
5464
5465                 // IE6-7 get confused and end up setting the value of a cloned
5466                 // checkbox/radio button to an empty string instead of "on"
5467                 if ( dest.value !== src.value ) {
5468                         dest.value = src.value;
5469                 }
5470
5471         // IE6-8 fails to return the selected option to the default selected
5472         // state when cloning options
5473         } else if ( nodeName === "option" ) {
5474                 dest.defaultSelected = dest.selected = src.defaultSelected;
5475
5476         // IE6-8 fails to set the defaultValue to the correct value when
5477         // cloning other types of input fields
5478         } else if ( nodeName === "input" || nodeName === "textarea" ) {
5479                 dest.defaultValue = src.defaultValue;
5480         }
5481 }
5482
5483 jQuery.extend({
5484         clone: function( elem, dataAndEvents, deepDataAndEvents ) {
5485                 var destElements, node, clone, i, srcElements,
5486                         inPage = jQuery.contains( elem.ownerDocument, elem );
5487
5488                 if ( support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test( "<" + elem.nodeName + ">" ) ) {
5489                         clone = elem.cloneNode( true );
5490
5491                 // IE<=8 does not properly clone detached, unknown element nodes
5492                 } else {
5493                         fragmentDiv.innerHTML = elem.outerHTML;
5494                         fragmentDiv.removeChild( clone = fragmentDiv.firstChild );
5495                 }
5496
5497                 if ( (!support.noCloneEvent || !support.noCloneChecked) &&
5498                                 (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {
5499
5500                         // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
5501                         destElements = getAll( clone );
5502                         srcElements = getAll( elem );
5503
5504                         // Fix all IE cloning issues
5505                         for ( i = 0; (node = srcElements[i]) != null; ++i ) {
5506                                 // Ensure that the destination node is not null; Fixes #9587
5507                                 if ( destElements[i] ) {
5508                                         fixCloneNodeIssues( node, destElements[i] );
5509                                 }
5510                         }
5511                 }
5512
5513                 // Copy the events from the original to the clone
5514                 if ( dataAndEvents ) {
5515                         if ( deepDataAndEvents ) {
5516                                 srcElements = srcElements || getAll( elem );
5517                                 destElements = destElements || getAll( clone );
5518
5519                                 for ( i = 0; (node = srcElements[i]) != null; i++ ) {
5520                                         cloneCopyEvent( node, destElements[i] );
5521                                 }
5522                         } else {
5523                                 cloneCopyEvent( elem, clone );
5524                         }
5525                 }
5526
5527                 // Preserve script evaluation history
5528                 destElements = getAll( clone, "script" );
5529                 if ( destElements.length > 0 ) {
5530                         setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
5531                 }
5532
5533                 destElements = srcElements = node = null;
5534
5535                 // Return the cloned set
5536                 return clone;
5537         },
5538
5539         buildFragment: function( elems, context, scripts, selection ) {
5540                 var j, elem, contains,
5541                         tmp, tag, tbody, wrap,
5542                         l = elems.length,
5543
5544                         // Ensure a safe fragment
5545                         safe = createSafeFragment( context ),
5546
5547                         nodes = [],
5548                         i = 0;
5549
5550                 for ( ; i < l; i++ ) {
5551                         elem = elems[ i ];
5552
5553                         if ( elem || elem === 0 ) {
5554
5555                                 // Add nodes directly
5556                                 if ( jQuery.type( elem ) === "object" ) {
5557                                         jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
5558
5559                                 // Convert non-html into a text node
5560                                 } else if ( !rhtml.test( elem ) ) {
5561                                         nodes.push( context.createTextNode( elem ) );
5562
5563                                 // Convert html into DOM nodes
5564                                 } else {
5565                                         tmp = tmp || safe.appendChild( context.createElement("div") );
5566
5567                                         // Deserialize a standard representation
5568                                         tag = (rtagName.exec( elem ) || [ "", "" ])[ 1 ].toLowerCase();
5569                                         wrap = wrapMap[ tag ] || wrapMap._default;
5570
5571                                         tmp.innerHTML = wrap[1] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[2];
5572
5573                                         // Descend through wrappers to the right content
5574                                         j = wrap[0];
5575                                         while ( j-- ) {
5576                                                 tmp = tmp.lastChild;
5577                                         }
5578
5579                                         // Manually add leading whitespace removed by IE
5580                                         if ( !support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
5581                                                 nodes.push( context.createTextNode( rleadingWhitespace.exec( elem )[0] ) );
5582                                         }
5583
5584                                         // Remove IE's autoinserted <tbody> from table fragments
5585                                         if ( !support.tbody ) {
5586
5587                                                 // String was a <table>, *may* have spurious <tbody>
5588                                                 elem = tag === "table" && !rtbody.test( elem ) ?
5589                                                         tmp.firstChild :
5590
5591                                                         // String was a bare <thead> or <tfoot>
5592                                                         wrap[1] === "<table>" && !rtbody.test( elem ) ?
5593                                                                 tmp :
5594                                                                 0;
5595
5596                                                 j = elem && elem.childNodes.length;
5597                                                 while ( j-- ) {
5598                                                         if ( jQuery.nodeName( (tbody = elem.childNodes[j]), "tbody" ) && !tbody.childNodes.length ) {
5599                                                                 elem.removeChild( tbody );
5600                                                         }
5601                                                 }
5602                                         }
5603
5604                                         jQuery.merge( nodes, tmp.childNodes );
5605
5606                                         // Fix #12392 for WebKit and IE > 9
5607                                         tmp.textContent = "";
5608
5609                                         // Fix #12392 for oldIE
5610                                         while ( tmp.firstChild ) {
5611                                                 tmp.removeChild( tmp.firstChild );
5612                                         }
5613
5614                                         // Remember the top-level container for proper cleanup
5615                                         tmp = safe.lastChild;
5616                                 }
5617                         }
5618                 }
5619
5620                 // Fix #11356: Clear elements from fragment
5621                 if ( tmp ) {
5622                         safe.removeChild( tmp );
5623                 }
5624
5625                 // Reset defaultChecked for any radios and checkboxes
5626                 // about to be appended to the DOM in IE 6/7 (#8060)
5627                 if ( !support.appendChecked ) {
5628                         jQuery.grep( getAll( nodes, "input" ), fixDefaultChecked );
5629                 }
5630
5631                 i = 0;
5632                 while ( (elem = nodes[ i++ ]) ) {
5633
5634                         // #4087 - If origin and destination elements are the same, and this is
5635                         // that element, do not do anything
5636                         if ( selection && jQuery.inArray( elem, selection ) !== -1 ) {
5637                                 continue;
5638                         }
5639
5640                         contains = jQuery.contains( elem.ownerDocument, elem );
5641
5642                         // Append to fragment
5643                         tmp = getAll( safe.appendChild( elem ), "script" );
5644
5645                         // Preserve script evaluation history
5646                         if ( contains ) {
5647                                 setGlobalEval( tmp );
5648                         }
5649
5650                         // Capture executables
5651                         if ( scripts ) {
5652                                 j = 0;
5653                                 while ( (elem = tmp[ j++ ]) ) {
5654                                         if ( rscriptType.test( elem.type || "" ) ) {
5655                                                 scripts.push( elem );
5656                                         }
5657                                 }
5658                         }
5659                 }
5660
5661                 tmp = null;
5662
5663                 return safe;
5664         },
5665
5666         cleanData: function( elems, /* internal */ acceptData ) {
5667                 var elem, type, id, data,
5668                         i = 0,
5669                         internalKey = jQuery.expando,
5670                         cache = jQuery.cache,
5671                         deleteExpando = support.deleteExpando,
5672                         special = jQuery.event.special;
5673
5674                 for ( ; (elem = elems[i]) != null; i++ ) {
5675                         if ( acceptData || jQuery.acceptData( elem ) ) {
5676
5677                                 id = elem[ internalKey ];
5678                                 data = id && cache[ id ];
5679
5680                                 if ( data ) {
5681                                         if ( data.events ) {
5682                                                 for ( type in data.events ) {
5683                                                         if ( special[ type ] ) {
5684                                                                 jQuery.event.remove( elem, type );
5685
5686                                                         // This is a shortcut to avoid jQuery.event.remove's overhead
5687                                                         } else {
5688                                                                 jQuery.removeEvent( elem, type, data.handle );
5689                                                         }
5690                                                 }
5691                                         }
5692
5693                                         // Remove cache only if it was not already removed by jQuery.event.remove
5694                                         if ( cache[ id ] ) {
5695
5696                                                 delete cache[ id ];
5697
5698                                                 // IE does not allow us to delete expando properties from nodes,
5699                                                 // nor does it have a removeAttribute function on Document nodes;
5700                                                 // we must handle all of these cases
5701                                                 if ( deleteExpando ) {
5702                                                         delete elem[ internalKey ];
5703
5704                                                 } else if ( typeof elem.removeAttribute !== strundefined ) {
5705                                                         elem.removeAttribute( internalKey );
5706
5707                                                 } else {
5708                                                         elem[ internalKey ] = null;
5709                                                 }
5710
5711                                                 deletedIds.push( id );
5712                                         }
5713                                 }
5714                         }
5715                 }
5716         }
5717 });
5718
5719 jQuery.fn.extend({
5720         text: function( value ) {
5721                 return access( this, function( value ) {
5722                         return value === undefined ?
5723                                 jQuery.text( this ) :
5724                                 this.empty().append( ( this[0] && this[0].ownerDocument || document ).createTextNode( value ) );
5725                 }, null, value, arguments.length );
5726         },
5727
5728         append: function() {
5729                 return this.domManip( arguments, function( elem ) {
5730                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5731                                 var target = manipulationTarget( this, elem );
5732                                 target.appendChild( elem );
5733                         }
5734                 });
5735         },
5736
5737         prepend: function() {
5738                 return this.domManip( arguments, function( elem ) {
5739                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5740                                 var target = manipulationTarget( this, elem );
5741                                 target.insertBefore( elem, target.firstChild );
5742                         }
5743                 });
5744         },
5745
5746         before: function() {
5747                 return this.domManip( arguments, function( elem ) {
5748                         if ( this.parentNode ) {
5749                                 this.parentNode.insertBefore( elem, this );
5750                         }
5751                 });
5752         },
5753
5754         after: function() {
5755                 return this.domManip( arguments, function( elem ) {
5756                         if ( this.parentNode ) {
5757                                 this.parentNode.insertBefore( elem, this.nextSibling );
5758                         }
5759                 });
5760         },
5761
5762         remove: function( selector, keepData /* Internal Use Only */ ) {
5763                 var elem,
5764                         elems = selector ? jQuery.filter( selector, this ) : this,
5765                         i = 0;
5766
5767                 for ( ; (elem = elems[i]) != null; i++ ) {
5768
5769                         if ( !keepData && elem.nodeType === 1 ) {
5770                                 jQuery.cleanData( getAll( elem ) );
5771                         }
5772
5773                         if ( elem.parentNode ) {
5774                                 if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) {
5775                                         setGlobalEval( getAll( elem, "script" ) );
5776                                 }
5777                                 elem.parentNode.removeChild( elem );
5778                         }
5779                 }
5780
5781                 return this;
5782         },
5783
5784         empty: function() {
5785                 var elem,
5786                         i = 0;
5787
5788                 for ( ; (elem = this[i]) != null; i++ ) {
5789                         // Remove element nodes and prevent memory leaks
5790                         if ( elem.nodeType === 1 ) {
5791                                 jQuery.cleanData( getAll( elem, false ) );
5792                         }
5793
5794                         // Remove any remaining nodes
5795                         while ( elem.firstChild ) {
5796                                 elem.removeChild( elem.firstChild );
5797                         }
5798
5799                         // If this is a select, ensure that it displays empty (#12336)
5800                         // Support: IE<9
5801                         if ( elem.options && jQuery.nodeName( elem, "select" ) ) {
5802                                 elem.options.length = 0;
5803                         }
5804                 }
5805
5806                 return this;
5807         },
5808
5809         clone: function( dataAndEvents, deepDataAndEvents ) {
5810                 dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
5811                 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
5812
5813                 return this.map(function() {
5814                         return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
5815                 });
5816         },
5817
5818         html: function( value ) {
5819                 return access( this, function( value ) {
5820                         var elem = this[ 0 ] || {},
5821                                 i = 0,
5822                                 l = this.length;
5823
5824                         if ( value === undefined ) {
5825                                 return elem.nodeType === 1 ?
5826                                         elem.innerHTML.replace( rinlinejQuery, "" ) :
5827                                         undefined;
5828                         }
5829
5830                         // See if we can take a shortcut and just use innerHTML
5831                         if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
5832                                 ( support.htmlSerialize || !rnoshimcache.test( value )  ) &&
5833                                 ( support.leadingWhitespace || !rleadingWhitespace.test( value ) ) &&
5834                                 !wrapMap[ (rtagName.exec( value ) || [ "", "" ])[ 1 ].toLowerCase() ] ) {
5835
5836                                 value = value.replace( rxhtmlTag, "<$1></$2>" );
5837
5838                                 try {
5839                                         for (; i < l; i++ ) {
5840                                                 // Remove element nodes and prevent memory leaks
5841                                                 elem = this[i] || {};
5842                                                 if ( elem.nodeType === 1 ) {
5843                                                         jQuery.cleanData( getAll( elem, false ) );
5844                                                         elem.innerHTML = value;
5845                                                 }
5846                                         }
5847
5848                                         elem = 0;
5849
5850                                 // If using innerHTML throws an exception, use the fallback method
5851                                 } catch(e) {}
5852                         }
5853
5854                         if ( elem ) {
5855                                 this.empty().append( value );
5856                         }
5857                 }, null, value, arguments.length );
5858         },
5859
5860         replaceWith: function() {
5861                 var arg = arguments[ 0 ];
5862
5863                 // Make the changes, replacing each context element with the new content
5864                 this.domManip( arguments, function( elem ) {
5865                         arg = this.parentNode;
5866
5867                         jQuery.cleanData( getAll( this ) );
5868
5869                         if ( arg ) {
5870                                 arg.replaceChild( elem, this );
5871                         }
5872                 });
5873
5874                 // Force removal if there was no new content (e.g., from empty arguments)
5875                 return arg && (arg.length || arg.nodeType) ? this : this.remove();
5876         },
5877
5878         detach: function( selector ) {
5879                 return this.remove( selector, true );
5880         },
5881
5882         domManip: function( args, callback ) {
5883
5884                 // Flatten any nested arrays
5885                 args = concat.apply( [], args );
5886
5887                 var first, node, hasScripts,
5888                         scripts, doc, fragment,
5889                         i = 0,
5890                         l = this.length,
5891                         set = this,
5892                         iNoClone = l - 1,
5893                         value = args[0],
5894                         isFunction = jQuery.isFunction( value );
5895
5896                 // We can't cloneNode fragments that contain checked, in WebKit
5897                 if ( isFunction ||
5898                                 ( l > 1 && typeof value === "string" &&
5899                                         !support.checkClone && rchecked.test( value ) ) ) {
5900                         return this.each(function( index ) {
5901                                 var self = set.eq( index );
5902                                 if ( isFunction ) {
5903                                         args[0] = value.call( this, index, self.html() );
5904                                 }
5905                                 self.domManip( args, callback );
5906                         });
5907                 }
5908
5909                 if ( l ) {
5910                         fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, this );
5911                         first = fragment.firstChild;
5912
5913                         if ( fragment.childNodes.length === 1 ) {
5914                                 fragment = first;
5915                         }
5916
5917                         if ( first ) {
5918                                 scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
5919                                 hasScripts = scripts.length;
5920
5921                                 // Use the original fragment for the last item instead of the first because it can end up
5922                                 // being emptied incorrectly in certain situations (#8070).
5923                                 for ( ; i < l; i++ ) {
5924                                         node = fragment;
5925
5926                                         if ( i !== iNoClone ) {
5927                                                 node = jQuery.clone( node, true, true );
5928
5929                                                 // Keep references to cloned scripts for later restoration
5930                                                 if ( hasScripts ) {
5931                                                         jQuery.merge( scripts, getAll( node, "script" ) );
5932                                                 }
5933                                         }
5934
5935                                         callback.call( this[i], node, i );
5936                                 }
5937
5938                                 if ( hasScripts ) {
5939                                         doc = scripts[ scripts.length - 1 ].ownerDocument;
5940
5941                                         // Reenable scripts
5942                                         jQuery.map( scripts, restoreScript );
5943
5944                                         // Evaluate executable scripts on first document insertion
5945                                         for ( i = 0; i < hasScripts; i++ ) {
5946                                                 node = scripts[ i ];
5947                                                 if ( rscriptType.test( node.type || "" ) &&
5948                                                         !jQuery._data( node, "globalEval" ) && jQuery.contains( doc, node ) ) {
5949
5950                                                         if ( node.src ) {
5951                                                                 // Optional AJAX dependency, but won't run scripts if not present
5952                                                                 if ( jQuery._evalUrl ) {
5953                                                                         jQuery._evalUrl( node.src );
5954                                                                 }
5955                                                         } else {
5956                                                                 jQuery.globalEval( ( node.text || node.textContent || node.innerHTML || "" ).replace( rcleanScript, "" ) );
5957                                                         }
5958                                                 }
5959                                         }
5960                                 }
5961
5962                                 // Fix #11809: Avoid leaking memory
5963                                 fragment = first = null;
5964                         }
5965                 }
5966
5967                 return this;
5968         }
5969 });
5970
5971 jQuery.each({
5972         appendTo: "append",
5973         prependTo: "prepend",
5974         insertBefore: "before",
5975         insertAfter: "after",
5976         replaceAll: "replaceWith"
5977 }, function( name, original ) {
5978         jQuery.fn[ name ] = function( selector ) {
5979                 var elems,
5980                         i = 0,
5981                         ret = [],
5982                         insert = jQuery( selector ),
5983                         last = insert.length - 1;
5984
5985                 for ( ; i <= last; i++ ) {
5986                         elems = i === last ? this : this.clone(true);
5987                         jQuery( insert[i] )[ original ]( elems );
5988
5989                         // Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get()
5990                         push.apply( ret, elems.get() );
5991                 }
5992
5993                 return this.pushStack( ret );
5994         };
5995 });
5996
5997
5998 var iframe,
5999         elemdisplay = {};
6000
6001 /**
6002  * Retrieve the actual display of a element
6003  * @param {String} name nodeName of the element
6004  * @param {Object} doc Document object
6005  */
6006 // Called only from within defaultDisplay
6007 function actualDisplay( name, doc ) {
6008         var style,
6009                 elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
6010
6011                 // getDefaultComputedStyle might be reliably used only on attached element
6012                 display = window.getDefaultComputedStyle && ( style = window.getDefaultComputedStyle( elem[ 0 ] ) ) ?
6013
6014                         // Use of this method is a temporary fix (more like optmization) until something better comes along,
6015                         // since it was removed from specification and supported only in FF
6016                         style.display : jQuery.css( elem[ 0 ], "display" );
6017
6018         // We don't have any data stored on the element,
6019         // so use "detach" method as fast way to get rid of the element
6020         elem.detach();
6021
6022         return display;
6023 }
6024
6025 /**
6026  * Try to determine the default display value of an element
6027  * @param {String} nodeName
6028  */
6029 function defaultDisplay( nodeName ) {
6030         var doc = document,
6031                 display = elemdisplay[ nodeName ];
6032
6033         if ( !display ) {
6034                 display = actualDisplay( nodeName, doc );
6035
6036                 // If the simple way fails, read from inside an iframe
6037                 if ( display === "none" || !display ) {
6038
6039                         // Use the already-created iframe if possible
6040                         iframe = (iframe || jQuery( "<iframe frameborder='0' width='0' height='0'/>" )).appendTo( doc.documentElement );
6041
6042                         // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
6043                         doc = ( iframe[ 0 ].contentWindow || iframe[ 0 ].contentDocument ).document;
6044
6045                         // Support: IE
6046                         doc.write();
6047                         doc.close();
6048
6049                         display = actualDisplay( nodeName, doc );
6050                         iframe.detach();
6051                 }
6052
6053                 // Store the correct default display
6054                 elemdisplay[ nodeName ] = display;
6055         }
6056
6057         return display;
6058 }
6059
6060
6061 (function() {
6062         var shrinkWrapBlocksVal;
6063
6064         support.shrinkWrapBlocks = function() {
6065                 if ( shrinkWrapBlocksVal != null ) {
6066                         return shrinkWrapBlocksVal;
6067                 }
6068
6069                 // Will be changed later if needed.
6070                 shrinkWrapBlocksVal = false;
6071
6072                 // Minified: var b,c,d
6073                 var div, body, container;
6074
6075                 body = document.getElementsByTagName( "body" )[ 0 ];
6076                 if ( !body || !body.style ) {
6077                         // Test fired too early or in an unsupported environment, exit.
6078                         return;
6079                 }
6080
6081                 // Setup
6082                 div = document.createElement( "div" );
6083                 container = document.createElement( "div" );
6084                 container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
6085                 body.appendChild( container ).appendChild( div );
6086
6087                 // Support: IE6
6088                 // Check if elements with layout shrink-wrap their children
6089                 if ( typeof div.style.zoom !== strundefined ) {
6090                         // Reset CSS: box-sizing; display; margin; border
6091                         div.style.cssText =
6092                                 // Support: Firefox<29, Android 2.3
6093                                 // Vendor-prefix box-sizing
6094                                 "-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" +
6095                                 "box-sizing:content-box;display:block;margin:0;border:0;" +
6096                                 "padding:1px;width:1px;zoom:1";
6097                         div.appendChild( document.createElement( "div" ) ).style.width = "5px";
6098                         shrinkWrapBlocksVal = div.offsetWidth !== 3;
6099                 }
6100
6101                 body.removeChild( container );
6102
6103                 return shrinkWrapBlocksVal;
6104         };
6105
6106 })();
6107 var rmargin = (/^margin/);
6108
6109 var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
6110
6111
6112
6113 var getStyles, curCSS,
6114         rposition = /^(top|right|bottom|left)$/;
6115
6116 if ( window.getComputedStyle ) {
6117         getStyles = function( elem ) {
6118                 return elem.ownerDocument.defaultView.getComputedStyle( elem, null );
6119         };
6120
6121         curCSS = function( elem, name, computed ) {
6122                 var width, minWidth, maxWidth, ret,
6123                         style = elem.style;
6124
6125                 computed = computed || getStyles( elem );
6126
6127                 // getPropertyValue is only needed for .css('filter') in IE9, see #12537
6128                 ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined;
6129
6130                 if ( computed ) {
6131
6132                         if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
6133                                 ret = jQuery.style( elem, name );
6134                         }
6135
6136                         // A tribute to the "awesome hack by Dean Edwards"
6137                         // Chrome < 17 and Safari 5.0 uses "computed value" instead of "used value" for margin-right
6138                         // Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
6139                         // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
6140                         if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) {
6141
6142                                 // Remember the original values
6143                                 width = style.width;
6144                                 minWidth = style.minWidth;
6145                                 maxWidth = style.maxWidth;
6146
6147                                 // Put in the new values to get a computed value out
6148                                 style.minWidth = style.maxWidth = style.width = ret;
6149                                 ret = computed.width;
6150
6151                                 // Revert the changed values
6152                                 style.width = width;
6153                                 style.minWidth = minWidth;
6154                                 style.maxWidth = maxWidth;
6155                         }
6156                 }
6157
6158                 // Support: IE
6159                 // IE returns zIndex value as an integer.
6160                 return ret === undefined ?
6161                         ret :
6162                         ret + "";
6163         };
6164 } else if ( document.documentElement.currentStyle ) {
6165         getStyles = function( elem ) {
6166                 return elem.currentStyle;
6167         };
6168
6169         curCSS = function( elem, name, computed ) {
6170                 var left, rs, rsLeft, ret,
6171                         style = elem.style;
6172
6173                 computed = computed || getStyles( elem );
6174                 ret = computed ? computed[ name ] : undefined;
6175
6176                 // Avoid setting ret to empty string here
6177                 // so we don't default to auto
6178                 if ( ret == null && style && style[ name ] ) {
6179                         ret = style[ name ];
6180                 }
6181
6182                 // From the awesome hack by Dean Edwards
6183                 // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
6184
6185                 // If we're not dealing with a regular pixel number
6186                 // but a number that has a weird ending, we need to convert it to pixels
6187                 // but not position css attributes, as those are proportional to the parent element instead
6188                 // and we can't measure the parent instead because it might trigger a "stacking dolls" problem
6189                 if ( rnumnonpx.test( ret ) && !rposition.test( name ) ) {
6190
6191                         // Remember the original values
6192                         left = style.left;
6193                         rs = elem.runtimeStyle;
6194                         rsLeft = rs && rs.left;
6195
6196                         // Put in the new values to get a computed value out
6197                         if ( rsLeft ) {
6198                                 rs.left = elem.currentStyle.left;
6199                         }
6200                         style.left = name === "fontSize" ? "1em" : ret;
6201                         ret = style.pixelLeft + "px";
6202
6203                         // Revert the changed values
6204                         style.left = left;
6205                         if ( rsLeft ) {
6206                                 rs.left = rsLeft;
6207                         }
6208                 }
6209
6210                 // Support: IE
6211                 // IE returns zIndex value as an integer.
6212                 return ret === undefined ?
6213                         ret :
6214                         ret + "" || "auto";
6215         };
6216 }
6217
6218
6219
6220
6221 function addGetHookIf( conditionFn, hookFn ) {
6222         // Define the hook, we'll check on the first run if it's really needed.
6223         return {
6224                 get: function() {
6225                         var condition = conditionFn();
6226
6227                         if ( condition == null ) {
6228                                 // The test was not ready at this point; screw the hook this time
6229                                 // but check again when needed next time.
6230                                 return;
6231                         }
6232
6233                         if ( condition ) {
6234                                 // Hook not needed (or it's not possible to use it due to missing dependency),
6235                                 // remove it.
6236                                 // Since there are no other hooks for marginRight, remove the whole object.
6237                                 delete this.get;
6238                                 return;
6239                         }
6240
6241                         // Hook needed; redefine it so that the support test is not executed again.
6242
6243                         return (this.get = hookFn).apply( this, arguments );
6244                 }
6245         };
6246 }
6247
6248
6249 (function() {
6250         // Minified: var b,c,d,e,f,g, h,i
6251         var div, style, a, pixelPositionVal, boxSizingReliableVal,
6252                 reliableHiddenOffsetsVal, reliableMarginRightVal;
6253
6254         // Setup
6255         div = document.createElement( "div" );
6256         div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
6257         a = div.getElementsByTagName( "a" )[ 0 ];
6258         style = a && a.style;
6259
6260         // Finish early in limited (non-browser) environments
6261         if ( !style ) {
6262                 return;
6263         }
6264
6265         style.cssText = "float:left;opacity:.5";
6266
6267         // Support: IE<9
6268         // Make sure that element opacity exists (as opposed to filter)
6269         support.opacity = style.opacity === "0.5";
6270
6271         // Verify style float existence
6272         // (IE uses styleFloat instead of cssFloat)
6273         support.cssFloat = !!style.cssFloat;
6274
6275         div.style.backgroundClip = "content-box";
6276         div.cloneNode( true ).style.backgroundClip = "";
6277         support.clearCloneStyle = div.style.backgroundClip === "content-box";
6278
6279         // Support: Firefox<29, Android 2.3
6280         // Vendor-prefix box-sizing
6281         support.boxSizing = style.boxSizing === "" || style.MozBoxSizing === "" ||
6282                 style.WebkitBoxSizing === "";
6283
6284         jQuery.extend(support, {
6285                 reliableHiddenOffsets: function() {
6286                         if ( reliableHiddenOffsetsVal == null ) {
6287                                 computeStyleTests();
6288                         }
6289                         return reliableHiddenOffsetsVal;
6290                 },
6291
6292                 boxSizingReliable: function() {
6293                         if ( boxSizingReliableVal == null ) {
6294                                 computeStyleTests();
6295                         }
6296                         return boxSizingReliableVal;
6297                 },
6298
6299                 pixelPosition: function() {
6300                         if ( pixelPositionVal == null ) {
6301                                 computeStyleTests();
6302                         }
6303                         return pixelPositionVal;
6304                 },
6305
6306                 // Support: Android 2.3
6307                 reliableMarginRight: function() {
6308                         if ( reliableMarginRightVal == null ) {
6309                                 computeStyleTests();
6310                         }
6311                         return reliableMarginRightVal;
6312                 }
6313         });
6314
6315         function computeStyleTests() {
6316                 // Minified: var b,c,d,j
6317                 var div, body, container, contents;
6318
6319                 body = document.getElementsByTagName( "body" )[ 0 ];
6320                 if ( !body || !body.style ) {
6321                         // Test fired too early or in an unsupported environment, exit.
6322                         return;
6323                 }
6324
6325                 // Setup
6326                 div = document.createElement( "div" );
6327                 container = document.createElement( "div" );
6328                 container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
6329                 body.appendChild( container ).appendChild( div );
6330
6331                 div.style.cssText =
6332                         // Support: Firefox<29, Android 2.3
6333                         // Vendor-prefix box-sizing
6334                         "-webkit-box-sizing:border-box;-moz-box-sizing:border-box;" +
6335                         "box-sizing:border-box;display:block;margin-top:1%;top:1%;" +
6336                         "border:1px;padding:1px;width:4px;position:absolute";
6337
6338                 // Support: IE<9
6339                 // Assume reasonable values in the absence of getComputedStyle
6340                 pixelPositionVal = boxSizingReliableVal = false;
6341                 reliableMarginRightVal = true;
6342
6343                 // Check for getComputedStyle so that this code is not run in IE<9.
6344                 if ( window.getComputedStyle ) {
6345                         pixelPositionVal = ( window.getComputedStyle( div, null ) || {} ).top !== "1%";
6346                         boxSizingReliableVal =
6347                                 ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";
6348
6349                         // Support: Android 2.3
6350                         // Div with explicit width and no margin-right incorrectly
6351                         // gets computed margin-right based on width of container (#3333)
6352                         // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
6353                         contents = div.appendChild( document.createElement( "div" ) );
6354
6355                         // Reset CSS: box-sizing; display; margin; border; padding
6356                         contents.style.cssText = div.style.cssText =
6357                                 // Support: Firefox<29, Android 2.3
6358                                 // Vendor-prefix box-sizing
6359                                 "-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" +
6360                                 "box-sizing:content-box;display:block;margin:0;border:0;padding:0";
6361                         contents.style.marginRight = contents.style.width = "0";
6362                         div.style.width = "1px";
6363
6364                         reliableMarginRightVal =
6365                                 !parseFloat( ( window.getComputedStyle( contents, null ) || {} ).marginRight );
6366                 }
6367
6368                 // Support: IE8
6369                 // Check if table cells still have offsetWidth/Height when they are set
6370                 // to display:none and there are still other visible table cells in a
6371                 // table row; if so, offsetWidth/Height are not reliable for use when
6372                 // determining if an element has been hidden directly using
6373                 // display:none (it is still safe to use offsets if a parent element is
6374                 // hidden; don safety goggles and see bug #4512 for more information).
6375                 div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
6376                 contents = div.getElementsByTagName( "td" );
6377                 contents[ 0 ].style.cssText = "margin:0;border:0;padding:0;display:none";
6378                 reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0;
6379                 if ( reliableHiddenOffsetsVal ) {
6380                         contents[ 0 ].style.display = "";
6381                         contents[ 1 ].style.display = "none";
6382                         reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0;
6383                 }
6384
6385                 body.removeChild( container );
6386         }
6387
6388 })();
6389
6390
6391 // A method for quickly swapping in/out CSS properties to get correct calculations.
6392 jQuery.swap = function( elem, options, callback, args ) {
6393         var ret, name,
6394                 old = {};
6395
6396         // Remember the old values, and insert the new ones
6397         for ( name in options ) {
6398                 old[ name ] = elem.style[ name ];
6399                 elem.style[ name ] = options[ name ];
6400         }
6401
6402         ret = callback.apply( elem, args || [] );
6403
6404         // Revert the old values
6405         for ( name in options ) {
6406                 elem.style[ name ] = old[ name ];
6407         }
6408
6409         return ret;
6410 };
6411
6412
6413 var
6414                 ralpha = /alpha\([^)]*\)/i,
6415         ropacity = /opacity\s*=\s*([^)]*)/,
6416
6417         // swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
6418         // see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6419         rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6420         rnumsplit = new RegExp( "^(" + pnum + ")(.*)$", "i" ),
6421         rrelNum = new RegExp( "^([+-])=(" + pnum + ")", "i" ),
6422
6423         cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6424         cssNormalTransform = {
6425                 letterSpacing: "0",
6426                 fontWeight: "400"
6427         },
6428
6429         cssPrefixes = [ "Webkit", "O", "Moz", "ms" ];
6430
6431
6432 // return a css property mapped to a potentially vendor prefixed property
6433 function vendorPropName( style, name ) {
6434
6435         // shortcut for names that are not vendor prefixed
6436         if ( name in style ) {
6437                 return name;
6438         }
6439
6440         // check for vendor prefixed names
6441         var capName = name.charAt(0).toUpperCase() + name.slice(1),
6442                 origName = name,
6443                 i = cssPrefixes.length;
6444
6445         while ( i-- ) {
6446                 name = cssPrefixes[ i ] + capName;
6447                 if ( name in style ) {
6448                         return name;
6449                 }
6450         }
6451
6452         return origName;
6453 }
6454
6455 function showHide( elements, show ) {
6456         var display, elem, hidden,
6457                 values = [],
6458                 index = 0,
6459                 length = elements.length;
6460
6461         for ( ; index < length; index++ ) {
6462                 elem = elements[ index ];
6463                 if ( !elem.style ) {
6464                         continue;
6465                 }
6466
6467                 values[ index ] = jQuery._data( elem, "olddisplay" );
6468                 display = elem.style.display;
6469                 if ( show ) {
6470                         // Reset the inline display of this element to learn if it is
6471                         // being hidden by cascaded rules or not
6472                         if ( !values[ index ] && display === "none" ) {
6473                                 elem.style.display = "";
6474                         }
6475
6476                         // Set elements which have been overridden with display: none
6477                         // in a stylesheet to whatever the default browser style is
6478                         // for such an element
6479                         if ( elem.style.display === "" && isHidden( elem ) ) {
6480                                 values[ index ] = jQuery._data( elem, "olddisplay", defaultDisplay(elem.nodeName) );
6481                         }
6482                 } else {
6483                         hidden = isHidden( elem );
6484
6485                         if ( display && display !== "none" || !hidden ) {
6486                                 jQuery._data( elem, "olddisplay", hidden ? display : jQuery.css( elem, "display" ) );
6487                         }
6488                 }
6489         }
6490
6491         // Set the display of most of the elements in a second loop
6492         // to avoid the constant reflow
6493         for ( index = 0; index < length; index++ ) {
6494                 elem = elements[ index ];
6495                 if ( !elem.style ) {
6496                         continue;
6497                 }
6498                 if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
6499                         elem.style.display = show ? values[ index ] || "" : "none";
6500                 }
6501         }
6502
6503         return elements;
6504 }
6505
6506 function setPositiveNumber( elem, value, subtract ) {
6507         var matches = rnumsplit.exec( value );
6508         return matches ?
6509                 // Guard against undefined "subtract", e.g., when used as in cssHooks
6510                 Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) :
6511                 value;
6512 }
6513
6514 function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
6515         var i = extra === ( isBorderBox ? "border" : "content" ) ?
6516                 // If we already have the right measurement, avoid augmentation
6517                 4 :
6518                 // Otherwise initialize for horizontal or vertical properties
6519                 name === "width" ? 1 : 0,
6520
6521                 val = 0;
6522
6523         for ( ; i < 4; i += 2 ) {
6524                 // both box models exclude margin, so add it if we want it
6525                 if ( extra === "margin" ) {
6526                         val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
6527                 }
6528
6529                 if ( isBorderBox ) {
6530                         // border-box includes padding, so remove it if we want content
6531                         if ( extra === "content" ) {
6532                                 val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6533                         }
6534
6535                         // at this point, extra isn't border nor margin, so remove border
6536                         if ( extra !== "margin" ) {
6537                                 val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6538                         }
6539                 } else {
6540                         // at this point, extra isn't content, so add padding
6541                         val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6542
6543                         // at this point, extra isn't content nor padding, so add border
6544                         if ( extra !== "padding" ) {
6545                                 val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6546                         }
6547                 }
6548         }
6549
6550         return val;
6551 }
6552
6553 function getWidthOrHeight( elem, name, extra ) {
6554
6555         // Start with offset property, which is equivalent to the border-box value
6556         var valueIsBorderBox = true,
6557                 val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
6558                 styles = getStyles( elem ),
6559                 isBorderBox = support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
6560
6561         // some non-html elements return undefined for offsetWidth, so check for null/undefined
6562         // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
6563         // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
6564         if ( val <= 0 || val == null ) {
6565                 // Fall back to computed then uncomputed css if necessary
6566                 val = curCSS( elem, name, styles );
6567                 if ( val < 0 || val == null ) {
6568                         val = elem.style[ name ];
6569                 }
6570
6571                 // Computed unit is not pixels. Stop here and return.
6572                 if ( rnumnonpx.test(val) ) {
6573                         return val;
6574                 }
6575
6576                 // we need the check for style in case a browser which returns unreliable values
6577                 // for getComputedStyle silently falls back to the reliable elem.style
6578                 valueIsBorderBox = isBorderBox && ( support.boxSizingReliable() || val === elem.style[ name ] );
6579
6580                 // Normalize "", auto, and prepare for extra
6581                 val = parseFloat( val ) || 0;
6582         }
6583
6584         // use the active box-sizing model to add/subtract irrelevant styles
6585         return ( val +
6586                 augmentWidthOrHeight(
6587                         elem,
6588                         name,
6589                         extra || ( isBorderBox ? "border" : "content" ),
6590                         valueIsBorderBox,
6591                         styles
6592                 )
6593         ) + "px";
6594 }
6595
6596 jQuery.extend({
6597         // Add in style property hooks for overriding the default
6598         // behavior of getting and setting a style property
6599         cssHooks: {
6600                 opacity: {
6601                         get: function( elem, computed ) {
6602                                 if ( computed ) {
6603                                         // We should always get a number back from opacity
6604                                         var ret = curCSS( elem, "opacity" );
6605                                         return ret === "" ? "1" : ret;
6606                                 }
6607                         }
6608                 }
6609         },
6610
6611         // Don't automatically add "px" to these possibly-unitless properties
6612         cssNumber: {
6613                 "columnCount": true,
6614                 "fillOpacity": true,
6615                 "flexGrow": true,
6616                 "flexShrink": true,
6617                 "fontWeight": true,
6618                 "lineHeight": true,
6619                 "opacity": true,
6620                 "order": true,
6621                 "orphans": true,
6622                 "widows": true,
6623                 "zIndex": true,
6624                 "zoom": true
6625         },
6626
6627         // Add in properties whose names you wish to fix before
6628         // setting or getting the value
6629         cssProps: {
6630                 // normalize float css property
6631                 "float": support.cssFloat ? "cssFloat" : "styleFloat"
6632         },
6633
6634         // Get and set the style property on a DOM Node
6635         style: function( elem, name, value, extra ) {
6636                 // Don't set styles on text and comment nodes
6637                 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6638                         return;
6639                 }
6640
6641                 // Make sure that we're working with the right name
6642                 var ret, type, hooks,
6643                         origName = jQuery.camelCase( name ),
6644                         style = elem.style;
6645
6646                 name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );
6647
6648                 // gets hook for the prefixed version
6649                 // followed by the unprefixed version
6650                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6651
6652                 // Check if we're setting a value
6653                 if ( value !== undefined ) {
6654                         type = typeof value;
6655
6656                         // convert relative number strings (+= or -=) to relative numbers. #7345
6657                         if ( type === "string" && (ret = rrelNum.exec( value )) ) {
6658                                 value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) );
6659                                 // Fixes bug #9237
6660                                 type = "number";
6661                         }
6662
6663                         // Make sure that null and NaN values aren't set. See: #7116
6664                         if ( value == null || value !== value ) {
6665                                 return;
6666                         }
6667
6668                         // If a number was passed in, add 'px' to the (except for certain CSS properties)
6669                         if ( type === "number" && !jQuery.cssNumber[ origName ] ) {
6670                                 value += "px";
6671                         }
6672
6673                         // Fixes #8908, it can be done more correctly by specifing setters in cssHooks,
6674                         // but it would mean to define eight (for every problematic property) identical functions
6675                         if ( !support.clearCloneStyle && value === "" && name.indexOf("background") === 0 ) {
6676                                 style[ name ] = "inherit";
6677                         }
6678
6679                         // If a hook was provided, use that value, otherwise just set the specified value
6680                         if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {
6681
6682                                 // Support: IE
6683                                 // Swallow errors from 'invalid' CSS values (#5509)
6684                                 try {
6685                                         style[ name ] = value;
6686                                 } catch(e) {}
6687                         }
6688
6689                 } else {
6690                         // If a hook was provided get the non-computed value from there
6691                         if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) {
6692                                 return ret;
6693                         }
6694
6695                         // Otherwise just get the value from the style object
6696                         return style[ name ];
6697                 }
6698         },
6699
6700         css: function( elem, name, extra, styles ) {
6701                 var num, val, hooks,
6702                         origName = jQuery.camelCase( name );
6703
6704                 // Make sure that we're working with the right name
6705                 name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );
6706
6707                 // gets hook for the prefixed version
6708                 // followed by the unprefixed version
6709                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6710
6711                 // If a hook was provided get the computed value from there
6712                 if ( hooks && "get" in hooks ) {
6713                         val = hooks.get( elem, true, extra );
6714                 }
6715
6716                 // Otherwise, if a way to get the computed value exists, use that
6717                 if ( val === undefined ) {
6718                         val = curCSS( elem, name, styles );
6719                 }
6720
6721                 //convert "normal" to computed value
6722                 if ( val === "normal" && name in cssNormalTransform ) {
6723                         val = cssNormalTransform[ name ];
6724                 }
6725
6726                 // Return, converting to number if forced or a qualifier was provided and val looks numeric
6727                 if ( extra === "" || extra ) {
6728                         num = parseFloat( val );
6729                         return extra === true || jQuery.isNumeric( num ) ? num || 0 : val;
6730                 }
6731                 return val;
6732         }
6733 });
6734
6735 jQuery.each([ "height", "width" ], function( i, name ) {
6736         jQuery.cssHooks[ name ] = {
6737                 get: function( elem, computed, extra ) {
6738                         if ( computed ) {
6739                                 // certain elements can have dimension info if we invisibly show them
6740                                 // however, it must have a current display style that would benefit from this
6741                                 return rdisplayswap.test( jQuery.css( elem, "display" ) ) && elem.offsetWidth === 0 ?
6742                                         jQuery.swap( elem, cssShow, function() {
6743                                                 return getWidthOrHeight( elem, name, extra );
6744                                         }) :
6745                                         getWidthOrHeight( elem, name, extra );
6746                         }
6747                 },
6748
6749                 set: function( elem, value, extra ) {
6750                         var styles = extra && getStyles( elem );
6751                         return setPositiveNumber( elem, value, extra ?
6752                                 augmentWidthOrHeight(
6753                                         elem,
6754                                         name,
6755                                         extra,
6756                                         support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6757                                         styles
6758                                 ) : 0
6759                         );
6760                 }
6761         };
6762 });
6763
6764 if ( !support.opacity ) {
6765         jQuery.cssHooks.opacity = {
6766                 get: function( elem, computed ) {
6767                         // IE uses filters for opacity
6768                         return ropacity.test( (computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "" ) ?
6769                                 ( 0.01 * parseFloat( RegExp.$1 ) ) + "" :
6770                                 computed ? "1" : "";
6771                 },
6772
6773                 set: function( elem, value ) {
6774                         var style = elem.style,
6775                                 currentStyle = elem.currentStyle,
6776                                 opacity = jQuery.isNumeric( value ) ? "alpha(opacity=" + value * 100 + ")" : "",
6777                                 filter = currentStyle && currentStyle.filter || style.filter || "";
6778
6779                         // IE has trouble with opacity if it does not have layout
6780                         // Force it by setting the zoom level
6781                         style.zoom = 1;
6782
6783                         // if setting opacity to 1, and no other filters exist - attempt to remove filter attribute #6652
6784                         // if value === "", then remove inline opacity #12685
6785                         if ( ( value >= 1 || value === "" ) &&
6786                                         jQuery.trim( filter.replace( ralpha, "" ) ) === "" &&
6787                                         style.removeAttribute ) {
6788
6789                                 // Setting style.filter to null, "" & " " still leave "filter:" in the cssText
6790                                 // if "filter:" is present at all, clearType is disabled, we want to avoid this
6791                                 // style.removeAttribute is IE Only, but so apparently is this code path...
6792                                 style.removeAttribute( "filter" );
6793
6794                                 // if there is no filter style applied in a css rule or unset inline opacity, we are done
6795                                 if ( value === "" || currentStyle && !currentStyle.filter ) {
6796                                         return;
6797                                 }
6798                         }
6799
6800                         // otherwise, set new filter values
6801                         style.filter = ralpha.test( filter ) ?
6802                                 filter.replace( ralpha, opacity ) :
6803                                 filter + " " + opacity;
6804                 }
6805         };
6806 }
6807
6808 jQuery.cssHooks.marginRight = addGetHookIf( support.reliableMarginRight,
6809         function( elem, computed ) {
6810                 if ( computed ) {
6811                         // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
6812                         // Work around by temporarily setting element display to inline-block
6813                         return jQuery.swap( elem, { "display": "inline-block" },
6814                                 curCSS, [ elem, "marginRight" ] );
6815                 }
6816         }
6817 );
6818
6819 // These hooks are used by animate to expand properties
6820 jQuery.each({
6821         margin: "",
6822         padding: "",
6823         border: "Width"
6824 }, function( prefix, suffix ) {
6825         jQuery.cssHooks[ prefix + suffix ] = {
6826                 expand: function( value ) {
6827                         var i = 0,
6828                                 expanded = {},
6829
6830                                 // assumes a single number if not a string
6831                                 parts = typeof value === "string" ? value.split(" ") : [ value ];
6832
6833                         for ( ; i < 4; i++ ) {
6834                                 expanded[ prefix + cssExpand[ i ] + suffix ] =
6835                                         parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
6836                         }
6837
6838                         return expanded;
6839                 }
6840         };
6841
6842         if ( !rmargin.test( prefix ) ) {
6843                 jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
6844         }
6845 });
6846
6847 jQuery.fn.extend({
6848         css: function( name, value ) {
6849                 return access( this, function( elem, name, value ) {
6850                         var styles, len,
6851                                 map = {},
6852                                 i = 0;
6853
6854                         if ( jQuery.isArray( name ) ) {
6855                                 styles = getStyles( elem );
6856                                 len = name.length;
6857
6858                                 for ( ; i < len; i++ ) {
6859                                         map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
6860                                 }
6861
6862                                 return map;
6863                         }
6864
6865                         return value !== undefined ?
6866                                 jQuery.style( elem, name, value ) :
6867                                 jQuery.css( elem, name );
6868                 }, name, value, arguments.length > 1 );
6869         },
6870         show: function() {
6871                 return showHide( this, true );
6872         },
6873         hide: function() {
6874                 return showHide( this );
6875         },
6876         toggle: function( state ) {
6877                 if ( typeof state === "boolean" ) {
6878                         return state ? this.show() : this.hide();
6879                 }
6880
6881                 return this.each(function() {
6882                         if ( isHidden( this ) ) {
6883                                 jQuery( this ).show();
6884                         } else {
6885                                 jQuery( this ).hide();
6886                         }
6887                 });
6888         }
6889 });
6890
6891
6892 function Tween( elem, options, prop, end, easing ) {
6893         return new Tween.prototype.init( elem, options, prop, end, easing );
6894 }
6895 jQuery.Tween = Tween;
6896
6897 Tween.prototype = {
6898         constructor: Tween,
6899         init: function( elem, options, prop, end, easing, unit ) {
6900                 this.elem = elem;
6901                 this.prop = prop;
6902                 this.easing = easing || "swing";
6903                 this.options = options;
6904                 this.start = this.now = this.cur();
6905                 this.end = end;
6906                 this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
6907         },
6908         cur: function() {
6909                 var hooks = Tween.propHooks[ this.prop ];
6910
6911                 return hooks && hooks.get ?
6912                         hooks.get( this ) :
6913                         Tween.propHooks._default.get( this );
6914         },
6915         run: function( percent ) {
6916                 var eased,
6917                         hooks = Tween.propHooks[ this.prop ];
6918
6919                 if ( this.options.duration ) {
6920                         this.pos = eased = jQuery.easing[ this.easing ](
6921                                 percent, this.options.duration * percent, 0, 1, this.options.duration
6922                         );
6923                 } else {
6924                         this.pos = eased = percent;
6925                 }
6926                 this.now = ( this.end - this.start ) * eased + this.start;
6927
6928                 if ( this.options.step ) {
6929                         this.options.step.call( this.elem, this.now, this );
6930                 }
6931
6932                 if ( hooks && hooks.set ) {
6933                         hooks.set( this );
6934                 } else {
6935                         Tween.propHooks._default.set( this );
6936                 }
6937                 return this;
6938         }
6939 };
6940
6941 Tween.prototype.init.prototype = Tween.prototype;
6942
6943 Tween.propHooks = {
6944         _default: {
6945                 get: function( tween ) {
6946                         var result;
6947
6948                         if ( tween.elem[ tween.prop ] != null &&
6949                                 (!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
6950                                 return tween.elem[ tween.prop ];
6951                         }
6952
6953                         // passing an empty string as a 3rd parameter to .css will automatically
6954                         // attempt a parseFloat and fallback to a string if the parse fails
6955                         // so, simple values such as "10px" are parsed to Float.
6956                         // complex values such as "rotate(1rad)" are returned as is.
6957                         result = jQuery.css( tween.elem, tween.prop, "" );
6958                         // Empty strings, null, undefined and "auto" are converted to 0.
6959                         return !result || result === "auto" ? 0 : result;
6960                 },
6961                 set: function( tween ) {
6962                         // use step hook for back compat - use cssHook if its there - use .style if its
6963                         // available and use plain properties where available
6964                         if ( jQuery.fx.step[ tween.prop ] ) {
6965                                 jQuery.fx.step[ tween.prop ]( tween );
6966                         } else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
6967                                 jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
6968                         } else {
6969                                 tween.elem[ tween.prop ] = tween.now;
6970                         }
6971                 }
6972         }
6973 };
6974
6975 // Support: IE <=9
6976 // Panic based approach to setting things on disconnected nodes
6977
6978 Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
6979         set: function( tween ) {
6980                 if ( tween.elem.nodeType && tween.elem.parentNode ) {
6981                         tween.elem[ tween.prop ] = tween.now;
6982                 }
6983         }
6984 };
6985
6986 jQuery.easing = {
6987         linear: function( p ) {
6988                 return p;
6989         },
6990         swing: function( p ) {
6991                 return 0.5 - Math.cos( p * Math.PI ) / 2;
6992         }
6993 };
6994
6995 jQuery.fx = Tween.prototype.init;
6996
6997 // Back Compat <1.8 extension point
6998 jQuery.fx.step = {};
6999
7000
7001
7002
7003 var
7004         fxNow, timerId,
7005         rfxtypes = /^(?:toggle|show|hide)$/,
7006         rfxnum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ),
7007         rrun = /queueHooks$/,
7008         animationPrefilters = [ defaultPrefilter ],
7009         tweeners = {
7010                 "*": [ function( prop, value ) {
7011                         var tween = this.createTween( prop, value ),
7012                                 target = tween.cur(),
7013                                 parts = rfxnum.exec( value ),
7014                                 unit = parts && parts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
7015
7016                                 // Starting value computation is required for potential unit mismatches
7017                                 start = ( jQuery.cssNumber[ prop ] || unit !== "px" && +target ) &&
7018                                         rfxnum.exec( jQuery.css( tween.elem, prop ) ),
7019                                 scale = 1,
7020                                 maxIterations = 20;
7021
7022                         if ( start && start[ 3 ] !== unit ) {
7023                                 // Trust units reported by jQuery.css
7024                                 unit = unit || start[ 3 ];
7025
7026                                 // Make sure we update the tween properties later on
7027                                 parts = parts || [];
7028
7029                                 // Iteratively approximate from a nonzero starting point
7030                                 start = +target || 1;
7031
7032                                 do {
7033                                         // If previous iteration zeroed out, double until we get *something*
7034                                         // Use a string for doubling factor so we don't accidentally see scale as unchanged below
7035                                         scale = scale || ".5";
7036
7037                                         // Adjust and apply
7038                                         start = start / scale;
7039                                         jQuery.style( tween.elem, prop, start + unit );
7040
7041                                 // Update scale, tolerating zero or NaN from tween.cur()
7042                                 // And breaking the loop if scale is unchanged or perfect, or if we've just had enough
7043                                 } while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations );
7044                         }
7045
7046                         // Update tween properties
7047                         if ( parts ) {
7048                                 start = tween.start = +start || +target || 0;
7049                                 tween.unit = unit;
7050                                 // If a +=/-= token was provided, we're doing a relative animation
7051                                 tween.end = parts[ 1 ] ?
7052                                         start + ( parts[ 1 ] + 1 ) * parts[ 2 ] :
7053                                         +parts[ 2 ];
7054                         }
7055
7056                         return tween;
7057                 } ]
7058         };
7059
7060 // Animations created synchronously will run synchronously
7061 function createFxNow() {
7062         setTimeout(function() {
7063                 fxNow = undefined;
7064         });
7065         return ( fxNow = jQuery.now() );
7066 }
7067
7068 // Generate parameters to create a standard animation
7069 function genFx( type, includeWidth ) {
7070         var which,
7071                 attrs = { height: type },
7072                 i = 0;
7073
7074         // if we include width, step value is 1 to do all cssExpand values,
7075         // if we don't include width, step value is 2 to skip over Left and Right
7076         includeWidth = includeWidth ? 1 : 0;
7077         for ( ; i < 4 ; i += 2 - includeWidth ) {
7078                 which = cssExpand[ i ];
7079                 attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
7080         }
7081
7082         if ( includeWidth ) {
7083                 attrs.opacity = attrs.width = type;
7084         }
7085
7086         return attrs;
7087 }
7088
7089 function createTween( value, prop, animation ) {
7090         var tween,
7091                 collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
7092                 index = 0,
7093                 length = collection.length;
7094         for ( ; index < length; index++ ) {
7095                 if ( (tween = collection[ index ].call( animation, prop, value )) ) {
7096
7097                         // we're done with this property
7098                         return tween;
7099                 }
7100         }
7101 }
7102
7103 function defaultPrefilter( elem, props, opts ) {
7104         /* jshint validthis: true */
7105         var prop, value, toggle, tween, hooks, oldfire, display, checkDisplay,
7106                 anim = this,
7107                 orig = {},
7108                 style = elem.style,
7109                 hidden = elem.nodeType && isHidden( elem ),
7110                 dataShow = jQuery._data( elem, "fxshow" );
7111
7112         // handle queue: false promises
7113         if ( !opts.queue ) {
7114                 hooks = jQuery._queueHooks( elem, "fx" );
7115                 if ( hooks.unqueued == null ) {
7116                         hooks.unqueued = 0;
7117                         oldfire = hooks.empty.fire;
7118                         hooks.empty.fire = function() {
7119                                 if ( !hooks.unqueued ) {
7120                                         oldfire();
7121                                 }
7122                         };
7123                 }
7124                 hooks.unqueued++;
7125
7126                 anim.always(function() {
7127                         // doing this makes sure that the complete handler will be called
7128                         // before this completes
7129                         anim.always(function() {
7130                                 hooks.unqueued--;
7131                                 if ( !jQuery.queue( elem, "fx" ).length ) {
7132                                         hooks.empty.fire();
7133                                 }
7134                         });
7135                 });
7136         }
7137
7138         // height/width overflow pass
7139         if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
7140                 // Make sure that nothing sneaks out
7141                 // Record all 3 overflow attributes because IE does not
7142                 // change the overflow attribute when overflowX and
7143                 // overflowY are set to the same value
7144                 opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
7145
7146                 // Set display property to inline-block for height/width
7147                 // animations on inline elements that are having width/height animated
7148                 display = jQuery.css( elem, "display" );
7149
7150                 // Test default display if display is currently "none"
7151                 checkDisplay = display === "none" ?
7152                         jQuery._data( elem, "olddisplay" ) || defaultDisplay( elem.nodeName ) : display;
7153
7154                 if ( checkDisplay === "inline" && jQuery.css( elem, "float" ) === "none" ) {
7155
7156                         // inline-level elements accept inline-block;
7157                         // block-level elements need to be inline with layout
7158                         if ( !support.inlineBlockNeedsLayout || defaultDisplay( elem.nodeName ) === "inline" ) {
7159                                 style.display = "inline-block";
7160                         } else {
7161                                 style.zoom = 1;
7162                         }
7163                 }
7164         }
7165
7166         if ( opts.overflow ) {
7167                 style.overflow = "hidden";
7168                 if ( !support.shrinkWrapBlocks() ) {
7169                         anim.always(function() {
7170                                 style.overflow = opts.overflow[ 0 ];
7171                                 style.overflowX = opts.overflow[ 1 ];
7172                                 style.overflowY = opts.overflow[ 2 ];
7173                         });
7174                 }
7175         }
7176
7177         // show/hide pass
7178         for ( prop in props ) {
7179                 value = props[ prop ];
7180                 if ( rfxtypes.exec( value ) ) {
7181                         delete props[ prop ];
7182                         toggle = toggle || value === "toggle";
7183                         if ( value === ( hidden ? "hide" : "show" ) ) {
7184
7185                                 // If there is dataShow left over from a stopped hide or show and we are going to proceed with show, we should pretend to be hidden
7186                                 if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
7187                                         hidden = true;
7188                                 } else {
7189                                         continue;
7190                                 }
7191                         }
7192                         orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
7193
7194                 // Any non-fx value stops us from restoring the original display value
7195                 } else {
7196                         display = undefined;
7197                 }
7198         }
7199
7200         if ( !jQuery.isEmptyObject( orig ) ) {
7201                 if ( dataShow ) {
7202                         if ( "hidden" in dataShow ) {
7203                                 hidden = dataShow.hidden;
7204                         }
7205                 } else {
7206                         dataShow = jQuery._data( elem, "fxshow", {} );
7207                 }
7208
7209                 // store state if its toggle - enables .stop().toggle() to "reverse"
7210                 if ( toggle ) {
7211                         dataShow.hidden = !hidden;
7212                 }
7213                 if ( hidden ) {
7214                         jQuery( elem ).show();
7215                 } else {
7216                         anim.done(function() {
7217                                 jQuery( elem ).hide();
7218                         });
7219                 }
7220                 anim.done(function() {
7221                         var prop;
7222                         jQuery._removeData( elem, "fxshow" );
7223                         for ( prop in orig ) {
7224                                 jQuery.style( elem, prop, orig[ prop ] );
7225                         }
7226                 });
7227                 for ( prop in orig ) {
7228                         tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
7229
7230                         if ( !( prop in dataShow ) ) {
7231                                 dataShow[ prop ] = tween.start;
7232                                 if ( hidden ) {
7233                                         tween.end = tween.start;
7234                                         tween.start = prop === "width" || prop === "height" ? 1 : 0;
7235                                 }
7236                         }
7237                 }
7238
7239         // If this is a noop like .hide().hide(), restore an overwritten display value
7240         } else if ( (display === "none" ? defaultDisplay( elem.nodeName ) : display) === "inline" ) {
7241                 style.display = display;
7242         }
7243 }
7244
7245 function propFilter( props, specialEasing ) {
7246         var index, name, easing, value, hooks;
7247
7248         // camelCase, specialEasing and expand cssHook pass
7249         for ( index in props ) {
7250                 name = jQuery.camelCase( index );
7251                 easing = specialEasing[ name ];
7252                 value = props[ index ];
7253                 if ( jQuery.isArray( value ) ) {
7254                         easing = value[ 1 ];
7255                         value = props[ index ] = value[ 0 ];
7256                 }
7257
7258                 if ( index !== name ) {
7259                         props[ name ] = value;
7260                         delete props[ index ];
7261                 }
7262
7263                 hooks = jQuery.cssHooks[ name ];
7264                 if ( hooks && "expand" in hooks ) {
7265                         value = hooks.expand( value );
7266                         delete props[ name ];
7267
7268                         // not quite $.extend, this wont overwrite keys already present.
7269                         // also - reusing 'index' from above because we have the correct "name"
7270                         for ( index in value ) {
7271                                 if ( !( index in props ) ) {
7272                                         props[ index ] = value[ index ];
7273                                         specialEasing[ index ] = easing;
7274                                 }
7275                         }
7276                 } else {
7277                         specialEasing[ name ] = easing;
7278                 }
7279         }
7280 }
7281
7282 function Animation( elem, properties, options ) {
7283         var result,
7284                 stopped,
7285                 index = 0,
7286                 length = animationPrefilters.length,
7287                 deferred = jQuery.Deferred().always( function() {
7288                         // don't match elem in the :animated selector
7289                         delete tick.elem;
7290                 }),
7291                 tick = function() {
7292                         if ( stopped ) {
7293                                 return false;
7294                         }
7295                         var currentTime = fxNow || createFxNow(),
7296                                 remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
7297                                 // archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
7298                                 temp = remaining / animation.duration || 0,
7299                                 percent = 1 - temp,
7300                                 index = 0,
7301                                 length = animation.tweens.length;
7302
7303                         for ( ; index < length ; index++ ) {
7304                                 animation.tweens[ index ].run( percent );
7305                         }
7306
7307                         deferred.notifyWith( elem, [ animation, percent, remaining ]);
7308
7309                         if ( percent < 1 && length ) {
7310                                 return remaining;
7311                         } else {
7312                                 deferred.resolveWith( elem, [ animation ] );
7313                                 return false;
7314                         }
7315                 },
7316                 animation = deferred.promise({
7317                         elem: elem,
7318                         props: jQuery.extend( {}, properties ),
7319                         opts: jQuery.extend( true, { specialEasing: {} }, options ),
7320                         originalProperties: properties,
7321                         originalOptions: options,
7322                         startTime: fxNow || createFxNow(),
7323                         duration: options.duration,
7324                         tweens: [],
7325                         createTween: function( prop, end ) {
7326                                 var tween = jQuery.Tween( elem, animation.opts, prop, end,
7327                                                 animation.opts.specialEasing[ prop ] || animation.opts.easing );
7328                                 animation.tweens.push( tween );
7329                                 return tween;
7330                         },
7331                         stop: function( gotoEnd ) {
7332                                 var index = 0,
7333                                         // if we are going to the end, we want to run all the tweens
7334                                         // otherwise we skip this part
7335                                         length = gotoEnd ? animation.tweens.length : 0;
7336                                 if ( stopped ) {
7337                                         return this;
7338                                 }
7339                                 stopped = true;
7340                                 for ( ; index < length ; index++ ) {
7341                                         animation.tweens[ index ].run( 1 );
7342                                 }
7343
7344                                 // resolve when we played the last frame
7345                                 // otherwise, reject
7346                                 if ( gotoEnd ) {
7347                                         deferred.resolveWith( elem, [ animation, gotoEnd ] );
7348                                 } else {
7349                                         deferred.rejectWith( elem, [ animation, gotoEnd ] );
7350                                 }
7351                                 return this;
7352                         }
7353                 }),
7354                 props = animation.props;
7355
7356         propFilter( props, animation.opts.specialEasing );
7357
7358         for ( ; index < length ; index++ ) {
7359                 result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
7360                 if ( result ) {
7361                         return result;
7362                 }
7363         }
7364
7365         jQuery.map( props, createTween, animation );
7366
7367         if ( jQuery.isFunction( animation.opts.start ) ) {
7368                 animation.opts.start.call( elem, animation );
7369         }
7370
7371         jQuery.fx.timer(
7372                 jQuery.extend( tick, {
7373                         elem: elem,
7374                         anim: animation,
7375                         queue: animation.opts.queue
7376                 })
7377         );
7378
7379         // attach callbacks from options
7380         return animation.progress( animation.opts.progress )
7381                 .done( animation.opts.done, animation.opts.complete )
7382                 .fail( animation.opts.fail )
7383                 .always( animation.opts.always );
7384 }
7385
7386 jQuery.Animation = jQuery.extend( Animation, {
7387         tweener: function( props, callback ) {
7388                 if ( jQuery.isFunction( props ) ) {
7389                         callback = props;
7390                         props = [ "*" ];
7391                 } else {
7392                         props = props.split(" ");
7393                 }
7394
7395                 var prop,
7396                         index = 0,
7397                         length = props.length;
7398
7399                 for ( ; index < length ; index++ ) {
7400                         prop = props[ index ];
7401                         tweeners[ prop ] = tweeners[ prop ] || [];
7402                         tweeners[ prop ].unshift( callback );
7403                 }
7404         },
7405
7406         prefilter: function( callback, prepend ) {
7407                 if ( prepend ) {
7408                         animationPrefilters.unshift( callback );
7409                 } else {
7410                         animationPrefilters.push( callback );
7411                 }
7412         }
7413 });
7414
7415 jQuery.speed = function( speed, easing, fn ) {
7416         var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
7417                 complete: fn || !fn && easing ||
7418                         jQuery.isFunction( speed ) && speed,
7419                 duration: speed,
7420                 easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
7421         };
7422
7423         opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
7424                 opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
7425
7426         // normalize opt.queue - true/undefined/null -> "fx"
7427         if ( opt.queue == null || opt.queue === true ) {
7428                 opt.queue = "fx";
7429         }
7430
7431         // Queueing
7432         opt.old = opt.complete;
7433
7434         opt.complete = function() {
7435                 if ( jQuery.isFunction( opt.old ) ) {
7436                         opt.old.call( this );
7437                 }
7438
7439                 if ( opt.queue ) {
7440                         jQuery.dequeue( this, opt.queue );
7441                 }
7442         };
7443
7444         return opt;
7445 };
7446
7447 jQuery.fn.extend({
7448         fadeTo: function( speed, to, easing, callback ) {
7449
7450                 // show any hidden elements after setting opacity to 0
7451                 return this.filter( isHidden ).css( "opacity", 0 ).show()
7452
7453                         // animate to the value specified
7454                         .end().animate({ opacity: to }, speed, easing, callback );
7455         },
7456         animate: function( prop, speed, easing, callback ) {
7457                 var empty = jQuery.isEmptyObject( prop ),
7458                         optall = jQuery.speed( speed, easing, callback ),
7459                         doAnimation = function() {
7460                                 // Operate on a copy of prop so per-property easing won't be lost
7461                                 var anim = Animation( this, jQuery.extend( {}, prop ), optall );
7462
7463                                 // Empty animations, or finishing resolves immediately
7464                                 if ( empty || jQuery._data( this, "finish" ) ) {
7465                                         anim.stop( true );
7466                                 }
7467                         };
7468                         doAnimation.finish = doAnimation;
7469
7470                 return empty || optall.queue === false ?
7471                         this.each( doAnimation ) :
7472                         this.queue( optall.queue, doAnimation );
7473         },
7474         stop: function( type, clearQueue, gotoEnd ) {
7475                 var stopQueue = function( hooks ) {
7476                         var stop = hooks.stop;
7477                         delete hooks.stop;
7478                         stop( gotoEnd );
7479                 };
7480
7481                 if ( typeof type !== "string" ) {
7482                         gotoEnd = clearQueue;
7483                         clearQueue = type;
7484                         type = undefined;
7485                 }
7486                 if ( clearQueue && type !== false ) {
7487                         this.queue( type || "fx", [] );
7488                 }
7489
7490                 return this.each(function() {
7491                         var dequeue = true,
7492                                 index = type != null && type + "queueHooks",
7493                                 timers = jQuery.timers,
7494                                 data = jQuery._data( this );
7495
7496                         if ( index ) {
7497                                 if ( data[ index ] && data[ index ].stop ) {
7498                                         stopQueue( data[ index ] );
7499                                 }
7500                         } else {
7501                                 for ( index in data ) {
7502                                         if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
7503                                                 stopQueue( data[ index ] );
7504                                         }
7505                                 }
7506                         }
7507
7508                         for ( index = timers.length; index--; ) {
7509                                 if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
7510                                         timers[ index ].anim.stop( gotoEnd );
7511                                         dequeue = false;
7512                                         timers.splice( index, 1 );
7513                                 }
7514                         }
7515
7516                         // start the next in the queue if the last step wasn't forced
7517                         // timers currently will call their complete callbacks, which will dequeue
7518                         // but only if they were gotoEnd
7519                         if ( dequeue || !gotoEnd ) {
7520                                 jQuery.dequeue( this, type );
7521                         }
7522                 });
7523         },
7524         finish: function( type ) {
7525                 if ( type !== false ) {
7526                         type = type || "fx";
7527                 }
7528                 return this.each(function() {
7529                         var index,
7530                                 data = jQuery._data( this ),
7531                                 queue = data[ type + "queue" ],
7532                                 hooks = data[ type + "queueHooks" ],
7533                                 timers = jQuery.timers,
7534                                 length = queue ? queue.length : 0;
7535
7536                         // enable finishing flag on private data
7537                         data.finish = true;
7538
7539                         // empty the queue first
7540                         jQuery.queue( this, type, [] );
7541
7542                         if ( hooks && hooks.stop ) {
7543                                 hooks.stop.call( this, true );
7544                         }
7545
7546                         // look for any active animations, and finish them
7547                         for ( index = timers.length; index--; ) {
7548                                 if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
7549                                         timers[ index ].anim.stop( true );
7550                                         timers.splice( index, 1 );
7551                                 }
7552                         }
7553
7554                         // look for any animations in the old queue and finish them
7555                         for ( index = 0; index < length; index++ ) {
7556                                 if ( queue[ index ] && queue[ index ].finish ) {
7557                                         queue[ index ].finish.call( this );
7558                                 }
7559                         }
7560
7561                         // turn off finishing flag
7562                         delete data.finish;
7563                 });
7564         }
7565 });
7566
7567 jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
7568         var cssFn = jQuery.fn[ name ];
7569         jQuery.fn[ name ] = function( speed, easing, callback ) {
7570                 return speed == null || typeof speed === "boolean" ?
7571                         cssFn.apply( this, arguments ) :
7572                         this.animate( genFx( name, true ), speed, easing, callback );
7573         };
7574 });
7575
7576 // Generate shortcuts for custom animations
7577 jQuery.each({
7578         slideDown: genFx("show"),
7579         slideUp: genFx("hide"),
7580         slideToggle: genFx("toggle"),
7581         fadeIn: { opacity: "show" },
7582         fadeOut: { opacity: "hide" },
7583         fadeToggle: { opacity: "toggle" }
7584 }, function( name, props ) {
7585         jQuery.fn[ name ] = function( speed, easing, callback ) {
7586                 return this.animate( props, speed, easing, callback );
7587         };
7588 });
7589
7590 jQuery.timers = [];
7591 jQuery.fx.tick = function() {
7592         var timer,
7593                 timers = jQuery.timers,
7594                 i = 0;
7595
7596         fxNow = jQuery.now();
7597
7598         for ( ; i < timers.length; i++ ) {
7599                 timer = timers[ i ];
7600                 // Checks the timer has not already been removed
7601                 if ( !timer() && timers[ i ] === timer ) {
7602                         timers.splice( i--, 1 );
7603                 }
7604         }
7605
7606         if ( !timers.length ) {
7607                 jQuery.fx.stop();
7608         }
7609         fxNow = undefined;
7610 };
7611
7612 jQuery.fx.timer = function( timer ) {
7613         jQuery.timers.push( timer );
7614         if ( timer() ) {
7615                 jQuery.fx.start();
7616         } else {
7617                 jQuery.timers.pop();
7618         }
7619 };
7620
7621 jQuery.fx.interval = 13;
7622
7623 jQuery.fx.start = function() {
7624         if ( !timerId ) {
7625                 timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
7626         }
7627 };
7628
7629 jQuery.fx.stop = function() {
7630         clearInterval( timerId );
7631         timerId = null;
7632 };
7633
7634 jQuery.fx.speeds = {
7635         slow: 600,
7636         fast: 200,
7637         // Default speed
7638         _default: 400
7639 };
7640
7641
7642 // Based off of the plugin by Clint Helfers, with permission.
7643 // http://blindsignals.com/index.php/2009/07/jquery-delay/
7644 jQuery.fn.delay = function( time, type ) {
7645         time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
7646         type = type || "fx";
7647
7648         return this.queue( type, function( next, hooks ) {
7649                 var timeout = setTimeout( next, time );
7650                 hooks.stop = function() {
7651                         clearTimeout( timeout );
7652                 };
7653         });
7654 };
7655
7656
7657 (function() {
7658         // Minified: var a,b,c,d,e
7659         var input, div, select, a, opt;
7660
7661         // Setup
7662         div = document.createElement( "div" );
7663         div.setAttribute( "className", "t" );
7664         div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
7665         a = div.getElementsByTagName("a")[ 0 ];
7666
7667         // First batch of tests.
7668         select = document.createElement("select");
7669         opt = select.appendChild( document.createElement("option") );
7670         input = div.getElementsByTagName("input")[ 0 ];
7671
7672         a.style.cssText = "top:1px";
7673
7674         // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
7675         support.getSetAttribute = div.className !== "t";
7676
7677         // Get the style information from getAttribute
7678         // (IE uses .cssText instead)
7679         support.style = /top/.test( a.getAttribute("style") );
7680
7681         // Make sure that URLs aren't manipulated
7682         // (IE normalizes it by default)
7683         support.hrefNormalized = a.getAttribute("href") === "/a";
7684
7685         // Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
7686         support.checkOn = !!input.value;
7687
7688         // Make sure that a selected-by-default option has a working selected property.
7689         // (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
7690         support.optSelected = opt.selected;
7691
7692         // Tests for enctype support on a form (#6743)
7693         support.enctype = !!document.createElement("form").enctype;
7694
7695         // Make sure that the options inside disabled selects aren't marked as disabled
7696         // (WebKit marks them as disabled)
7697         select.disabled = true;
7698         support.optDisabled = !opt.disabled;
7699
7700         // Support: IE8 only
7701         // Check if we can trust getAttribute("value")
7702         input = document.createElement( "input" );
7703         input.setAttribute( "value", "" );
7704         support.input = input.getAttribute( "value" ) === "";
7705
7706         // Check if an input maintains its value after becoming a radio
7707         input.value = "t";
7708         input.setAttribute( "type", "radio" );
7709         support.radioValue = input.value === "t";
7710 })();
7711
7712
7713 var rreturn = /\r/g;
7714
7715 jQuery.fn.extend({
7716         val: function( value ) {
7717                 var hooks, ret, isFunction,
7718                         elem = this[0];
7719
7720                 if ( !arguments.length ) {
7721                         if ( elem ) {
7722                                 hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];
7723
7724                                 if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {
7725                                         return ret;
7726                                 }
7727
7728                                 ret = elem.value;
7729
7730                                 return typeof ret === "string" ?
7731                                         // handle most common string cases
7732                                         ret.replace(rreturn, "") :
7733                                         // handle cases where value is null/undef or number
7734                                         ret == null ? "" : ret;
7735                         }
7736
7737                         return;
7738                 }
7739
7740                 isFunction = jQuery.isFunction( value );
7741
7742                 return this.each(function( i ) {
7743                         var val;
7744
7745                         if ( this.nodeType !== 1 ) {
7746                                 return;
7747                         }
7748
7749                         if ( isFunction ) {
7750                                 val = value.call( this, i, jQuery( this ).val() );
7751                         } else {
7752                                 val = value;
7753                         }
7754
7755                         // Treat null/undefined as ""; convert numbers to string
7756                         if ( val == null ) {
7757                                 val = "";
7758                         } else if ( typeof val === "number" ) {
7759                                 val += "";
7760                         } else if ( jQuery.isArray( val ) ) {
7761                                 val = jQuery.map( val, function( value ) {
7762                                         return value == null ? "" : value + "";
7763                                 });
7764                         }
7765
7766                         hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
7767
7768                         // If set returns undefined, fall back to normal setting
7769                         if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {
7770                                 this.value = val;
7771                         }
7772                 });
7773         }
7774 });
7775
7776 jQuery.extend({
7777         valHooks: {
7778                 option: {
7779                         get: function( elem ) {
7780                                 var val = jQuery.find.attr( elem, "value" );
7781                                 return val != null ?
7782                                         val :
7783                                         // Support: IE10-11+
7784                                         // option.text throws exceptions (#14686, #14858)
7785                                         jQuery.trim( jQuery.text( elem ) );
7786                         }
7787                 },
7788                 select: {
7789                         get: function( elem ) {
7790                                 var value, option,
7791                                         options = elem.options,
7792                                         index = elem.selectedIndex,
7793                                         one = elem.type === "select-one" || index < 0,
7794                                         values = one ? null : [],
7795                                         max = one ? index + 1 : options.length,
7796                                         i = index < 0 ?
7797                                                 max :
7798                                                 one ? index : 0;
7799
7800                                 // Loop through all the selected options
7801                                 for ( ; i < max; i++ ) {
7802                                         option = options[ i ];
7803
7804                                         // oldIE doesn't update selected after form reset (#2551)
7805                                         if ( ( option.selected || i === index ) &&
7806                                                         // Don't return options that are disabled or in a disabled optgroup
7807                                                         ( support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null ) &&
7808                                                         ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
7809
7810                                                 // Get the specific value for the option
7811                                                 value = jQuery( option ).val();
7812
7813                                                 // We don't need an array for one selects
7814                                                 if ( one ) {
7815                                                         return value;
7816                                                 }
7817
7818                                                 // Multi-Selects return an array
7819                                                 values.push( value );
7820                                         }
7821                                 }
7822
7823                                 return values;
7824                         },
7825
7826                         set: function( elem, value ) {
7827                                 var optionSet, option,
7828                                         options = elem.options,
7829                                         values = jQuery.makeArray( value ),
7830                                         i = options.length;
7831
7832                                 while ( i-- ) {
7833                                         option = options[ i ];
7834
7835                                         if ( jQuery.inArray( jQuery.valHooks.option.get( option ), values ) >= 0 ) {
7836
7837                                                 // Support: IE6
7838                                                 // When new option element is added to select box we need to
7839                                                 // force reflow of newly added node in order to workaround delay
7840                                                 // of initialization properties
7841                                                 try {
7842                                                         option.selected = optionSet = true;
7843
7844                                                 } catch ( _ ) {
7845
7846                                                         // Will be executed only in IE6
7847                                                         option.scrollHeight;
7848                                                 }
7849
7850                                         } else {
7851                                                 option.selected = false;
7852                                         }
7853                                 }
7854
7855                                 // Force browsers to behave consistently when non-matching value is set
7856                                 if ( !optionSet ) {
7857                                         elem.selectedIndex = -1;
7858                                 }
7859
7860                                 return options;
7861                         }
7862                 }
7863         }
7864 });
7865
7866 // Radios and checkboxes getter/setter
7867 jQuery.each([ "radio", "checkbox" ], function() {
7868         jQuery.valHooks[ this ] = {
7869                 set: function( elem, value ) {
7870                         if ( jQuery.isArray( value ) ) {
7871                                 return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 );
7872                         }
7873                 }
7874         };
7875         if ( !support.checkOn ) {
7876                 jQuery.valHooks[ this ].get = function( elem ) {
7877                         // Support: Webkit
7878                         // "" is returned instead of "on" if a value isn't specified
7879                         return elem.getAttribute("value") === null ? "on" : elem.value;
7880                 };
7881         }
7882 });
7883
7884
7885
7886
7887 var nodeHook, boolHook,
7888         attrHandle = jQuery.expr.attrHandle,
7889         ruseDefault = /^(?:checked|selected)$/i,
7890         getSetAttribute = support.getSetAttribute,
7891         getSetInput = support.input;
7892
7893 jQuery.fn.extend({
7894         attr: function( name, value ) {
7895                 return access( this, jQuery.attr, name, value, arguments.length > 1 );
7896         },
7897
7898         removeAttr: function( name ) {
7899                 return this.each(function() {
7900                         jQuery.removeAttr( this, name );
7901                 });
7902         }
7903 });
7904
7905 jQuery.extend({
7906         attr: function( elem, name, value ) {
7907                 var hooks, ret,
7908                         nType = elem.nodeType;
7909
7910                 // don't get/set attributes on text, comment and attribute nodes
7911                 if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
7912                         return;
7913                 }
7914
7915                 // Fallback to prop when attributes are not supported
7916                 if ( typeof elem.getAttribute === strundefined ) {
7917                         return jQuery.prop( elem, name, value );
7918                 }
7919
7920                 // All attributes are lowercase
7921                 // Grab necessary hook if one is defined
7922                 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7923                         name = name.toLowerCase();
7924                         hooks = jQuery.attrHooks[ name ] ||
7925                                 ( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook );
7926                 }
7927
7928                 if ( value !== undefined ) {
7929
7930                         if ( value === null ) {
7931                                 jQuery.removeAttr( elem, name );
7932
7933                         } else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
7934                                 return ret;
7935
7936                         } else {
7937                                 elem.setAttribute( name, value + "" );
7938                                 return value;
7939                         }
7940
7941                 } else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
7942                         return ret;
7943
7944                 } else {
7945                         ret = jQuery.find.attr( elem, name );
7946
7947                         // Non-existent attributes return null, we normalize to undefined
7948                         return ret == null ?
7949                                 undefined :
7950                                 ret;
7951                 }
7952         },
7953
7954         removeAttr: function( elem, value ) {
7955                 var name, propName,
7956                         i = 0,
7957                         attrNames = value && value.match( rnotwhite );
7958
7959                 if ( attrNames && elem.nodeType === 1 ) {
7960                         while ( (name = attrNames[i++]) ) {
7961                                 propName = jQuery.propFix[ name ] || name;
7962
7963                                 // Boolean attributes get special treatment (#10870)
7964                                 if ( jQuery.expr.match.bool.test( name ) ) {
7965                                         // Set corresponding property to false
7966                                         if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
7967                                                 elem[ propName ] = false;
7968                                         // Support: IE<9
7969                                         // Also clear defaultChecked/defaultSelected (if appropriate)
7970                                         } else {
7971                                                 elem[ jQuery.camelCase( "default-" + name ) ] =
7972                                                         elem[ propName ] = false;
7973                                         }
7974
7975                                 // See #9699 for explanation of this approach (setting first, then removal)
7976                                 } else {
7977                                         jQuery.attr( elem, name, "" );
7978                                 }
7979
7980                                 elem.removeAttribute( getSetAttribute ? name : propName );
7981                         }
7982                 }
7983         },
7984
7985         attrHooks: {
7986                 type: {
7987                         set: function( elem, value ) {
7988                                 if ( !support.radioValue && value === "radio" && jQuery.nodeName(elem, "input") ) {
7989                                         // Setting the type on a radio button after the value resets the value in IE6-9
7990                                         // Reset value to default in case type is set after value during creation
7991                                         var val = elem.value;
7992                                         elem.setAttribute( "type", value );
7993                                         if ( val ) {
7994                                                 elem.value = val;
7995                                         }
7996                                         return value;
7997                                 }
7998                         }
7999                 }
8000         }
8001 });
8002
8003 // Hook for boolean attributes
8004 boolHook = {
8005         set: function( elem, value, name ) {
8006                 if ( value === false ) {
8007                         // Remove boolean attributes when set to false
8008                         jQuery.removeAttr( elem, name );
8009                 } else if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
8010                         // IE<8 needs the *property* name
8011                         elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name );
8012
8013                 // Use defaultChecked and defaultSelected for oldIE
8014                 } else {
8015                         elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true;
8016                 }
8017
8018                 return name;
8019         }
8020 };
8021
8022 // Retrieve booleans specially
8023 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
8024
8025         var getter = attrHandle[ name ] || jQuery.find.attr;
8026
8027         attrHandle[ name ] = getSetInput && getSetAttribute || !ruseDefault.test( name ) ?
8028                 function( elem, name, isXML ) {
8029                         var ret, handle;
8030                         if ( !isXML ) {
8031                                 // Avoid an infinite loop by temporarily removing this function from the getter
8032                                 handle = attrHandle[ name ];
8033                                 attrHandle[ name ] = ret;
8034                                 ret = getter( elem, name, isXML ) != null ?
8035                                         name.toLowerCase() :
8036                                         null;
8037                                 attrHandle[ name ] = handle;
8038                         }
8039                         return ret;
8040                 } :
8041                 function( elem, name, isXML ) {
8042                         if ( !isXML ) {
8043                                 return elem[ jQuery.camelCase( "default-" + name ) ] ?
8044                                         name.toLowerCase() :
8045                                         null;
8046                         }
8047                 };
8048 });
8049
8050 // fix oldIE attroperties
8051 if ( !getSetInput || !getSetAttribute ) {
8052         jQuery.attrHooks.value = {
8053                 set: function( elem, value, name ) {
8054                         if ( jQuery.nodeName( elem, "input" ) ) {
8055                                 // Does not return so that setAttribute is also used
8056                                 elem.defaultValue = value;
8057                         } else {
8058                                 // Use nodeHook if defined (#1954); otherwise setAttribute is fine
8059                                 return nodeHook && nodeHook.set( elem, value, name );
8060                         }
8061                 }
8062         };
8063 }
8064
8065 // IE6/7 do not support getting/setting some attributes with get/setAttribute
8066 if ( !getSetAttribute ) {
8067
8068         // Use this for any attribute in IE6/7
8069         // This fixes almost every IE6/7 issue
8070         nodeHook = {
8071                 set: function( elem, value, name ) {
8072                         // Set the existing or create a new attribute node
8073                         var ret = elem.getAttributeNode( name );
8074                         if ( !ret ) {
8075                                 elem.setAttributeNode(
8076                                         (ret = elem.ownerDocument.createAttribute( name ))
8077                                 );
8078                         }
8079
8080                         ret.value = value += "";
8081
8082                         // Break association with cloned elements by also using setAttribute (#9646)
8083                         if ( name === "value" || value === elem.getAttribute( name ) ) {
8084                                 return value;
8085                         }
8086                 }
8087         };
8088
8089         // Some attributes are constructed with empty-string values when not defined
8090         attrHandle.id = attrHandle.name = attrHandle.coords =
8091                 function( elem, name, isXML ) {
8092                         var ret;
8093                         if ( !isXML ) {
8094                                 return (ret = elem.getAttributeNode( name )) && ret.value !== "" ?
8095                                         ret.value :
8096                                         null;
8097                         }
8098                 };
8099
8100         // Fixing value retrieval on a button requires this module
8101         jQuery.valHooks.button = {
8102                 get: function( elem, name ) {
8103                         var ret = elem.getAttributeNode( name );
8104                         if ( ret && ret.specified ) {
8105                                 return ret.value;
8106                         }
8107                 },
8108                 set: nodeHook.set
8109         };
8110
8111         // Set contenteditable to false on removals(#10429)
8112         // Setting to empty string throws an error as an invalid value
8113         jQuery.attrHooks.contenteditable = {
8114                 set: function( elem, value, name ) {
8115                         nodeHook.set( elem, value === "" ? false : value, name );
8116                 }
8117         };
8118
8119         // Set width and height to auto instead of 0 on empty string( Bug #8150 )
8120         // This is for removals
8121         jQuery.each([ "width", "height" ], function( i, name ) {
8122                 jQuery.attrHooks[ name ] = {
8123                         set: function( elem, value ) {
8124                                 if ( value === "" ) {
8125                                         elem.setAttribute( name, "auto" );
8126                                         return value;
8127                                 }
8128                         }
8129                 };
8130         });
8131 }
8132
8133 if ( !support.style ) {
8134         jQuery.attrHooks.style = {
8135                 get: function( elem ) {
8136                         // Return undefined in the case of empty string
8137                         // Note: IE uppercases css property names, but if we were to .toLowerCase()
8138                         // .cssText, that would destroy case senstitivity in URL's, like in "background"
8139                         return elem.style.cssText || undefined;
8140                 },
8141                 set: function( elem, value ) {
8142                         return ( elem.style.cssText = value + "" );
8143                 }
8144         };
8145 }
8146
8147
8148
8149
8150 var rfocusable = /^(?:input|select|textarea|button|object)$/i,
8151         rclickable = /^(?:a|area)$/i;
8152
8153 jQuery.fn.extend({
8154         prop: function( name, value ) {
8155                 return access( this, jQuery.prop, name, value, arguments.length > 1 );
8156         },
8157
8158         removeProp: function( name ) {
8159                 name = jQuery.propFix[ name ] || name;
8160                 return this.each(function() {
8161                         // try/catch handles cases where IE balks (such as removing a property on window)
8162                         try {
8163                                 this[ name ] = undefined;
8164                                 delete this[ name ];
8165                         } catch( e ) {}
8166                 });
8167         }
8168 });
8169
8170 jQuery.extend({
8171         propFix: {
8172                 "for": "htmlFor",
8173                 "class": "className"
8174         },
8175
8176         prop: function( elem, name, value ) {
8177                 var ret, hooks, notxml,
8178                         nType = elem.nodeType;
8179
8180                 // don't get/set properties on text, comment and attribute nodes
8181                 if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
8182                         return;
8183                 }
8184
8185                 notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
8186
8187                 if ( notxml ) {
8188                         // Fix name and attach hooks
8189                         name = jQuery.propFix[ name ] || name;
8190                         hooks = jQuery.propHooks[ name ];
8191                 }
8192
8193                 if ( value !== undefined ) {
8194                         return hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ?
8195                                 ret :
8196                                 ( elem[ name ] = value );
8197
8198                 } else {
8199                         return hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ?
8200                                 ret :
8201                                 elem[ name ];
8202                 }
8203         },
8204
8205         propHooks: {
8206                 tabIndex: {
8207                         get: function( elem ) {
8208                                 // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
8209                                 // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
8210                                 // Use proper attribute retrieval(#12072)
8211                                 var tabindex = jQuery.find.attr( elem, "tabindex" );
8212
8213                                 return tabindex ?
8214                                         parseInt( tabindex, 10 ) :
8215                                         rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
8216                                                 0 :
8217                                                 -1;
8218                         }
8219                 }
8220         }
8221 });
8222
8223 // Some attributes require a special call on IE
8224 // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
8225 if ( !support.hrefNormalized ) {
8226         // href/src property should get the full normalized URL (#10299/#12915)
8227         jQuery.each([ "href", "src" ], function( i, name ) {
8228                 jQuery.propHooks[ name ] = {
8229                         get: function( elem ) {
8230                                 return elem.getAttribute( name, 4 );
8231                         }
8232                 };
8233         });
8234 }
8235
8236 // Support: Safari, IE9+
8237 // mis-reports the default selected property of an option
8238 // Accessing the parent's selectedIndex property fixes it
8239 if ( !support.optSelected ) {
8240         jQuery.propHooks.selected = {
8241                 get: function( elem ) {
8242                         var parent = elem.parentNode;
8243
8244                         if ( parent ) {
8245                                 parent.selectedIndex;
8246
8247                                 // Make sure that it also works with optgroups, see #5701
8248                                 if ( parent.parentNode ) {
8249                                         parent.parentNode.selectedIndex;
8250                                 }
8251                         }
8252                         return null;
8253                 }
8254         };
8255 }
8256
8257 jQuery.each([
8258         "tabIndex",
8259         "readOnly",
8260         "maxLength",
8261         "cellSpacing",
8262         "cellPadding",
8263         "rowSpan",
8264         "colSpan",
8265         "useMap",
8266         "frameBorder",
8267         "contentEditable"
8268 ], function() {
8269         jQuery.propFix[ this.toLowerCase() ] = this;
8270 });
8271
8272 // IE6/7 call enctype encoding
8273 if ( !support.enctype ) {
8274         jQuery.propFix.enctype = "encoding";
8275 }
8276
8277
8278
8279
8280 var rclass = /[\t\r\n\f]/g;
8281
8282 jQuery.fn.extend({
8283         addClass: function( value ) {
8284                 var classes, elem, cur, clazz, j, finalValue,
8285                         i = 0,
8286                         len = this.length,
8287                         proceed = typeof value === "string" && value;
8288
8289                 if ( jQuery.isFunction( value ) ) {
8290                         return this.each(function( j ) {
8291                                 jQuery( this ).addClass( value.call( this, j, this.className ) );
8292                         });
8293                 }
8294
8295                 if ( proceed ) {
8296                         // The disjunction here is for better compressibility (see removeClass)
8297                         classes = ( value || "" ).match( rnotwhite ) || [];
8298
8299                         for ( ; i < len; i++ ) {
8300                                 elem = this[ i ];
8301                                 cur = elem.nodeType === 1 && ( elem.className ?
8302                                         ( " " + elem.className + " " ).replace( rclass, " " ) :
8303                                         " "
8304                                 );
8305
8306                                 if ( cur ) {
8307                                         j = 0;
8308                                         while ( (clazz = classes[j++]) ) {
8309                                                 if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
8310                                                         cur += clazz + " ";
8311                                                 }
8312                                         }
8313
8314                                         // only assign if different to avoid unneeded rendering.
8315                                         finalValue = jQuery.trim( cur );
8316                                         if ( elem.className !== finalValue ) {
8317                                                 elem.className = finalValue;
8318                                         }
8319                                 }
8320                         }
8321                 }
8322
8323                 return this;
8324         },
8325
8326         removeClass: function( value ) {
8327                 var classes, elem, cur, clazz, j, finalValue,
8328                         i = 0,
8329                         len = this.length,
8330                         proceed = arguments.length === 0 || typeof value === "string" && value;
8331
8332                 if ( jQuery.isFunction( value ) ) {
8333                         return this.each(function( j ) {
8334                                 jQuery( this ).removeClass( value.call( this, j, this.className ) );
8335                         });
8336                 }
8337                 if ( proceed ) {
8338                         classes = ( value || "" ).match( rnotwhite ) || [];
8339
8340                         for ( ; i < len; i++ ) {
8341                                 elem = this[ i ];
8342                                 // This expression is here for better compressibility (see addClass)
8343                                 cur = elem.nodeType === 1 && ( elem.className ?
8344                                         ( " " + elem.className + " " ).replace( rclass, " " ) :
8345                                         ""
8346                                 );
8347
8348                                 if ( cur ) {
8349                                         j = 0;
8350                                         while ( (clazz = classes[j++]) ) {
8351                                                 // Remove *all* instances
8352                                                 while ( cur.indexOf( " " + clazz + " " ) >= 0 ) {
8353                                                         cur = cur.replace( " " + clazz + " ", " " );
8354                                                 }
8355                                         }
8356
8357                                         // only assign if different to avoid unneeded rendering.
8358                                         finalValue = value ? jQuery.trim( cur ) : "";
8359                                         if ( elem.className !== finalValue ) {
8360                                                 elem.className = finalValue;
8361                                         }
8362                                 }
8363                         }
8364                 }
8365
8366                 return this;
8367         },
8368
8369         toggleClass: function( value, stateVal ) {
8370                 var type = typeof value;
8371
8372                 if ( typeof stateVal === "boolean" && type === "string" ) {
8373                         return stateVal ? this.addClass( value ) : this.removeClass( value );
8374                 }
8375
8376                 if ( jQuery.isFunction( value ) ) {
8377                         return this.each(function( i ) {
8378                                 jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal );
8379                         });
8380                 }
8381
8382                 return this.each(function() {
8383                         if ( type === "string" ) {
8384                                 // toggle individual class names
8385                                 var className,
8386                                         i = 0,
8387                                         self = jQuery( this ),
8388                                         classNames = value.match( rnotwhite ) || [];
8389
8390                                 while ( (className = classNames[ i++ ]) ) {
8391                                         // check each className given, space separated list
8392                                         if ( self.hasClass( className ) ) {
8393                                                 self.removeClass( className );
8394                                         } else {
8395                                                 self.addClass( className );
8396                                         }
8397                                 }
8398
8399                         // Toggle whole class name
8400                         } else if ( type === strundefined || type === "boolean" ) {
8401                                 if ( this.className ) {
8402                                         // store className if set
8403                                         jQuery._data( this, "__className__", this.className );
8404                                 }
8405
8406                                 // If the element has a class name or if we're passed "false",
8407                                 // then remove the whole classname (if there was one, the above saved it).
8408                                 // Otherwise bring back whatever was previously saved (if anything),
8409                                 // falling back to the empty string if nothing was stored.
8410                                 this.className = this.className || value === false ? "" : jQuery._data( this, "__className__" ) || "";
8411                         }
8412                 });
8413         },
8414
8415         hasClass: function( selector ) {
8416                 var className = " " + selector + " ",
8417                         i = 0,
8418                         l = this.length;
8419                 for ( ; i < l; i++ ) {
8420                         if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) {
8421                                 return true;
8422                         }
8423                 }
8424
8425                 return false;
8426         }
8427 });
8428
8429
8430
8431
8432 // Return jQuery for attributes-only inclusion
8433
8434
8435 jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
8436         "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
8437         "change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {
8438
8439         // Handle event binding
8440         jQuery.fn[ name ] = function( data, fn ) {
8441                 return arguments.length > 0 ?
8442                         this.on( name, null, data, fn ) :
8443                         this.trigger( name );
8444         };
8445 });
8446
8447 jQuery.fn.extend({
8448         hover: function( fnOver, fnOut ) {
8449                 return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
8450         },
8451
8452         bind: function( types, data, fn ) {
8453                 return this.on( types, null, data, fn );
8454         },
8455         unbind: function( types, fn ) {
8456                 return this.off( types, null, fn );
8457         },
8458
8459         delegate: function( selector, types, data, fn ) {
8460                 return this.on( types, selector, data, fn );
8461         },
8462         undelegate: function( selector, types, fn ) {
8463                 // ( namespace ) or ( selector, types [, fn] )
8464                 return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn );
8465         }
8466 });
8467
8468
8469 var nonce = jQuery.now();
8470
8471 var rquery = (/\?/);
8472
8473
8474
8475 var rvalidtokens = /(,)|(\[|{)|(}|])|"(?:[^"\\\r\n]|\\["\\\/bfnrt]|\\u[\da-fA-F]{4})*"\s*:?|true|false|null|-?(?!0\d)\d+(?:\.\d+|)(?:[eE][+-]?\d+|)/g;
8476
8477 jQuery.parseJSON = function( data ) {
8478         // Attempt to parse using the native JSON parser first
8479         if ( window.JSON && window.JSON.parse ) {
8480                 // Support: Android 2.3
8481                 // Workaround failure to string-cast null input
8482                 return window.JSON.parse( data + "" );
8483         }
8484
8485         var requireNonComma,
8486                 depth = null,
8487                 str = jQuery.trim( data + "" );
8488
8489         // Guard against invalid (and possibly dangerous) input by ensuring that nothing remains
8490         // after removing valid tokens
8491         return str && !jQuery.trim( str.replace( rvalidtokens, function( token, comma, open, close ) {
8492
8493                 // Force termination if we see a misplaced comma
8494                 if ( requireNonComma && comma ) {
8495                         depth = 0;
8496                 }
8497
8498                 // Perform no more replacements after returning to outermost depth
8499                 if ( depth === 0 ) {
8500                         return token;
8501                 }
8502
8503                 // Commas must not follow "[", "{", or ","
8504                 requireNonComma = open || comma;
8505
8506                 // Determine new depth
8507                 // array/object open ("[" or "{"): depth += true - false (increment)
8508                 // array/object close ("]" or "}"): depth += false - true (decrement)
8509                 // other cases ("," or primitive): depth += true - true (numeric cast)
8510                 depth += !close - !open;
8511
8512                 // Remove this token
8513                 return "";
8514         }) ) ?
8515                 ( Function( "return " + str ) )() :
8516                 jQuery.error( "Invalid JSON: " + data );
8517 };
8518
8519
8520 // Cross-browser xml parsing
8521 jQuery.parseXML = function( data ) {
8522         var xml, tmp;
8523         if ( !data || typeof data !== "string" ) {
8524                 return null;
8525         }
8526         try {
8527                 if ( window.DOMParser ) { // Standard
8528                         tmp = new DOMParser();
8529                         xml = tmp.parseFromString( data, "text/xml" );
8530                 } else { // IE
8531                         xml = new ActiveXObject( "Microsoft.XMLDOM" );
8532                         xml.async = "false";
8533                         xml.loadXML( data );
8534                 }
8535         } catch( e ) {
8536                 xml = undefined;
8537         }
8538         if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) {
8539                 jQuery.error( "Invalid XML: " + data );
8540         }
8541         return xml;
8542 };
8543
8544
8545 var
8546         // Document location
8547         ajaxLocParts,
8548         ajaxLocation,
8549
8550         rhash = /#.*$/,
8551         rts = /([?&])_=[^&]*/,
8552         rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL
8553         // #7653, #8125, #8152: local protocol detection
8554         rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
8555         rnoContent = /^(?:GET|HEAD)$/,
8556         rprotocol = /^\/\//,
8557         rurl = /^([\w.+-]+:)(?:\/\/(?:[^\/?#]*@|)([^\/?#:]*)(?::(\d+)|)|)/,
8558
8559         /* Prefilters
8560          * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
8561          * 2) These are called:
8562          *    - BEFORE asking for a transport
8563          *    - AFTER param serialization (s.data is a string if s.processData is true)
8564          * 3) key is the dataType
8565          * 4) the catchall symbol "*" can be used
8566          * 5) execution will start with transport dataType and THEN continue down to "*" if needed
8567          */
8568         prefilters = {},
8569
8570         /* Transports bindings
8571          * 1) key is the dataType
8572          * 2) the catchall symbol "*" can be used
8573          * 3) selection will start with transport dataType and THEN go to "*" if needed
8574          */
8575         transports = {},
8576
8577         // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
8578         allTypes = "*/".concat("*");
8579
8580 // #8138, IE may throw an exception when accessing
8581 // a field from window.location if document.domain has been set
8582 try {
8583         ajaxLocation = location.href;
8584 } catch( e ) {
8585         // Use the href attribute of an A element
8586         // since IE will modify it given document.location
8587         ajaxLocation = document.createElement( "a" );
8588         ajaxLocation.href = "";
8589         ajaxLocation = ajaxLocation.href;
8590 }
8591
8592 // Segment location into parts
8593 ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];
8594
8595 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
8596 function addToPrefiltersOrTransports( structure ) {
8597
8598         // dataTypeExpression is optional and defaults to "*"
8599         return function( dataTypeExpression, func ) {
8600
8601                 if ( typeof dataTypeExpression !== "string" ) {
8602                         func = dataTypeExpression;
8603                         dataTypeExpression = "*";
8604                 }
8605
8606                 var dataType,
8607                         i = 0,
8608                         dataTypes = dataTypeExpression.toLowerCase().match( rnotwhite ) || [];
8609
8610                 if ( jQuery.isFunction( func ) ) {
8611                         // For each dataType in the dataTypeExpression
8612                         while ( (dataType = dataTypes[i++]) ) {
8613                                 // Prepend if requested
8614                                 if ( dataType.charAt( 0 ) === "+" ) {
8615                                         dataType = dataType.slice( 1 ) || "*";
8616                                         (structure[ dataType ] = structure[ dataType ] || []).unshift( func );
8617
8618                                 // Otherwise append
8619                                 } else {
8620                                         (structure[ dataType ] = structure[ dataType ] || []).push( func );
8621                                 }
8622                         }
8623                 }
8624         };
8625 }
8626
8627 // Base inspection function for prefilters and transports
8628 function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
8629
8630         var inspected = {},
8631                 seekingTransport = ( structure === transports );
8632
8633         function inspect( dataType ) {
8634                 var selected;
8635                 inspected[ dataType ] = true;
8636                 jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
8637                         var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
8638                         if ( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
8639                                 options.dataTypes.unshift( dataTypeOrTransport );
8640                                 inspect( dataTypeOrTransport );
8641                                 return false;
8642                         } else if ( seekingTransport ) {
8643                                 return !( selected = dataTypeOrTransport );
8644                         }
8645                 });
8646                 return selected;
8647         }
8648
8649         return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
8650 }
8651
8652 // A special extend for ajax options
8653 // that takes "flat" options (not to be deep extended)
8654 // Fixes #9887
8655 function ajaxExtend( target, src ) {
8656         var deep, key,
8657                 flatOptions = jQuery.ajaxSettings.flatOptions || {};
8658
8659         for ( key in src ) {
8660                 if ( src[ key ] !== undefined ) {
8661                         ( flatOptions[ key ] ? target : ( deep || (deep = {}) ) )[ key ] = src[ key ];
8662                 }
8663         }
8664         if ( deep ) {
8665                 jQuery.extend( true, target, deep );
8666         }
8667
8668         return target;
8669 }
8670
8671 /* Handles responses to an ajax request:
8672  * - finds the right dataType (mediates between content-type and expected dataType)
8673  * - returns the corresponding response
8674  */
8675 function ajaxHandleResponses( s, jqXHR, responses ) {
8676         var firstDataType, ct, finalDataType, type,
8677                 contents = s.contents,
8678                 dataTypes = s.dataTypes;
8679
8680         // Remove auto dataType and get content-type in the process
8681         while ( dataTypes[ 0 ] === "*" ) {
8682                 dataTypes.shift();
8683                 if ( ct === undefined ) {
8684                         ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
8685                 }
8686         }
8687
8688         // Check if we're dealing with a known content-type
8689         if ( ct ) {
8690                 for ( type in contents ) {
8691                         if ( contents[ type ] && contents[ type ].test( ct ) ) {
8692                                 dataTypes.unshift( type );
8693                                 break;
8694                         }
8695                 }
8696         }
8697
8698         // Check to see if we have a response for the expected dataType
8699         if ( dataTypes[ 0 ] in responses ) {
8700                 finalDataType = dataTypes[ 0 ];
8701         } else {
8702                 // Try convertible dataTypes
8703                 for ( type in responses ) {
8704                         if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) {
8705                                 finalDataType = type;
8706                                 break;
8707                         }
8708                         if ( !firstDataType ) {
8709                                 firstDataType = type;
8710                         }
8711                 }
8712                 // Or just use first one
8713                 finalDataType = finalDataType || firstDataType;
8714         }
8715
8716         // If we found a dataType
8717         // We add the dataType to the list if needed
8718         // and return the corresponding response
8719         if ( finalDataType ) {
8720                 if ( finalDataType !== dataTypes[ 0 ] ) {
8721                         dataTypes.unshift( finalDataType );
8722                 }
8723                 return responses[ finalDataType ];
8724         }
8725 }
8726
8727 /* Chain conversions given the request and the original response
8728  * Also sets the responseXXX fields on the jqXHR instance
8729  */
8730 function ajaxConvert( s, response, jqXHR, isSuccess ) {
8731         var conv2, current, conv, tmp, prev,
8732                 converters = {},
8733                 // Work with a copy of dataTypes in case we need to modify it for conversion
8734                 dataTypes = s.dataTypes.slice();
8735
8736         // Create converters map with lowercased keys
8737         if ( dataTypes[ 1 ] ) {
8738                 for ( conv in s.converters ) {
8739                         converters[ conv.toLowerCase() ] = s.converters[ conv ];
8740                 }
8741         }
8742
8743         current = dataTypes.shift();
8744
8745         // Convert to each sequential dataType
8746         while ( current ) {
8747
8748                 if ( s.responseFields[ current ] ) {
8749                         jqXHR[ s.responseFields[ current ] ] = response;
8750                 }
8751
8752                 // Apply the dataFilter if provided
8753                 if ( !prev && isSuccess && s.dataFilter ) {
8754                         response = s.dataFilter( response, s.dataType );
8755                 }
8756
8757                 prev = current;
8758                 current = dataTypes.shift();
8759
8760                 if ( current ) {
8761
8762                         // There's only work to do if current dataType is non-auto
8763                         if ( current === "*" ) {
8764
8765                                 current = prev;
8766
8767                         // Convert response if prev dataType is non-auto and differs from current
8768                         } else if ( prev !== "*" && prev !== current ) {
8769
8770                                 // Seek a direct converter
8771                                 conv = converters[ prev + " " + current ] || converters[ "* " + current ];
8772
8773                                 // If none found, seek a pair
8774                                 if ( !conv ) {
8775                                         for ( conv2 in converters ) {
8776
8777                                                 // If conv2 outputs current
8778                                                 tmp = conv2.split( " " );
8779                                                 if ( tmp[ 1 ] === current ) {
8780
8781                                                         // If prev can be converted to accepted input
8782                                                         conv = converters[ prev + " " + tmp[ 0 ] ] ||
8783                                                                 converters[ "* " + tmp[ 0 ] ];
8784                                                         if ( conv ) {
8785                                                                 // Condense equivalence converters
8786                                                                 if ( conv === true ) {
8787                                                                         conv = converters[ conv2 ];
8788
8789                                                                 // Otherwise, insert the intermediate dataType
8790                                                                 } else if ( converters[ conv2 ] !== true ) {
8791                                                                         current = tmp[ 0 ];
8792                                                                         dataTypes.unshift( tmp[ 1 ] );
8793                                                                 }
8794                                                                 break;
8795                                                         }
8796                                                 }
8797                                         }
8798                                 }
8799
8800                                 // Apply converter (if not an equivalence)
8801                                 if ( conv !== true ) {
8802
8803                                         // Unless errors are allowed to bubble, catch and return them
8804                                         if ( conv && s[ "throws" ] ) {
8805                                                 response = conv( response );
8806                                         } else {
8807                                                 try {
8808                                                         response = conv( response );
8809                                                 } catch ( e ) {
8810                                                         return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current };
8811                                                 }
8812                                         }
8813                                 }
8814                         }
8815                 }
8816         }
8817
8818         return { state: "success", data: response };
8819 }
8820
8821 jQuery.extend({
8822
8823         // Counter for holding the number of active queries
8824         active: 0,
8825
8826         // Last-Modified header cache for next request
8827         lastModified: {},
8828         etag: {},
8829
8830         ajaxSettings: {
8831                 url: ajaxLocation,
8832                 type: "GET",
8833                 isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
8834                 global: true,
8835                 processData: true,
8836                 async: true,
8837                 contentType: "application/x-www-form-urlencoded; charset=UTF-8",
8838                 /*
8839                 timeout: 0,
8840                 data: null,
8841                 dataType: null,
8842                 username: null,
8843                 password: null,
8844                 cache: null,
8845                 throws: false,
8846                 traditional: false,
8847                 headers: {},
8848                 */
8849
8850                 accepts: {
8851                         "*": allTypes,
8852                         text: "text/plain",
8853                         html: "text/html",
8854                         xml: "application/xml, text/xml",
8855                         json: "application/json, text/javascript"
8856                 },
8857
8858                 contents: {
8859                         xml: /xml/,
8860                         html: /html/,
8861                         json: /json/
8862                 },
8863
8864                 responseFields: {
8865                         xml: "responseXML",
8866                         text: "responseText",
8867                         json: "responseJSON"
8868                 },
8869
8870                 // Data converters
8871                 // Keys separate source (or catchall "*") and destination types with a single space
8872                 converters: {
8873
8874                         // Convert anything to text
8875                         "* text": String,
8876
8877                         // Text to html (true = no transformation)
8878                         "text html": true,
8879
8880                         // Evaluate text as a json expression
8881                         "text json": jQuery.parseJSON,
8882
8883                         // Parse text as xml
8884                         "text xml": jQuery.parseXML
8885                 },
8886
8887                 // For options that shouldn't be deep extended:
8888                 // you can add your own custom options here if
8889                 // and when you create one that shouldn't be
8890                 // deep extended (see ajaxExtend)
8891                 flatOptions: {
8892                         url: true,
8893                         context: true
8894                 }
8895         },
8896
8897         // Creates a full fledged settings object into target
8898         // with both ajaxSettings and settings fields.
8899         // If target is omitted, writes into ajaxSettings.
8900         ajaxSetup: function( target, settings ) {
8901                 return settings ?
8902
8903                         // Building a settings object
8904                         ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
8905
8906                         // Extending ajaxSettings
8907                         ajaxExtend( jQuery.ajaxSettings, target );
8908         },
8909
8910         ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
8911         ajaxTransport: addToPrefiltersOrTransports( transports ),
8912
8913         // Main method
8914         ajax: function( url, options ) {
8915
8916                 // If url is an object, simulate pre-1.5 signature
8917                 if ( typeof url === "object" ) {
8918                         options = url;
8919                         url = undefined;
8920                 }
8921
8922                 // Force options to be an object
8923                 options = options || {};
8924
8925                 var // Cross-domain detection vars
8926                         parts,
8927                         // Loop variable
8928                         i,
8929                         // URL without anti-cache param
8930                         cacheURL,
8931                         // Response headers as string
8932                         responseHeadersString,
8933                         // timeout handle
8934                         timeoutTimer,
8935
8936                         // To know if global events are to be dispatched
8937                         fireGlobals,
8938
8939                         transport,
8940                         // Response headers
8941                         responseHeaders,
8942                         // Create the final options object
8943                         s = jQuery.ajaxSetup( {}, options ),
8944                         // Callbacks context
8945                         callbackContext = s.context || s,
8946                         // Context for global events is callbackContext if it is a DOM node or jQuery collection
8947                         globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ?
8948                                 jQuery( callbackContext ) :
8949                                 jQuery.event,
8950                         // Deferreds
8951                         deferred = jQuery.Deferred(),
8952                         completeDeferred = jQuery.Callbacks("once memory"),
8953                         // Status-dependent callbacks
8954                         statusCode = s.statusCode || {},
8955                         // Headers (they are sent all at once)
8956                         requestHeaders = {},
8957                         requestHeadersNames = {},
8958                         // The jqXHR state
8959                         state = 0,
8960                         // Default abort message
8961                         strAbort = "canceled",
8962                         // Fake xhr
8963                         jqXHR = {
8964                                 readyState: 0,
8965
8966                                 // Builds headers hashtable if needed
8967                                 getResponseHeader: function( key ) {
8968                                         var match;
8969                                         if ( state === 2 ) {
8970                                                 if ( !responseHeaders ) {
8971                                                         responseHeaders = {};
8972                                                         while ( (match = rheaders.exec( responseHeadersString )) ) {
8973                                                                 responseHeaders[ match[1].toLowerCase() ] = match[ 2 ];
8974                                                         }
8975                                                 }
8976                                                 match = responseHeaders[ key.toLowerCase() ];
8977                                         }
8978                                         return match == null ? null : match;
8979                                 },
8980
8981                                 // Raw string
8982                                 getAllResponseHeaders: function() {
8983                                         return state === 2 ? responseHeadersString : null;
8984                                 },
8985
8986                                 // Caches the header
8987                                 setRequestHeader: function( name, value ) {
8988                                         var lname = name.toLowerCase();
8989                                         if ( !state ) {
8990                                                 name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
8991                                                 requestHeaders[ name ] = value;
8992                                         }
8993                                         return this;
8994                                 },
8995
8996                                 // Overrides response content-type header
8997                                 overrideMimeType: function( type ) {
8998                                         if ( !state ) {
8999                                                 s.mimeType = type;
9000                                         }
9001                                         return this;
9002                                 },
9003
9004                                 // Status-dependent callbacks
9005                                 statusCode: function( map ) {
9006                                         var code;
9007                                         if ( map ) {
9008                                                 if ( state < 2 ) {
9009                                                         for ( code in map ) {
9010                                                                 // Lazy-add the new callback in a way that preserves old ones
9011                                                                 statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
9012                                                         }
9013                                                 } else {
9014                                                         // Execute the appropriate callbacks
9015                                                         jqXHR.always( map[ jqXHR.status ] );
9016                                                 }
9017                                         }
9018                                         return this;
9019                                 },
9020
9021                                 // Cancel the request
9022                                 abort: function( statusText ) {
9023                                         var finalText = statusText || strAbort;
9024                                         if ( transport ) {
9025                                                 transport.abort( finalText );
9026                                         }
9027                                         done( 0, finalText );
9028                                         return this;
9029                                 }
9030                         };
9031
9032                 // Attach deferreds
9033                 deferred.promise( jqXHR ).complete = completeDeferred.add;
9034                 jqXHR.success = jqXHR.done;
9035                 jqXHR.error = jqXHR.fail;
9036
9037                 // Remove hash character (#7531: and string promotion)
9038                 // Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
9039                 // Handle falsy url in the settings object (#10093: consistency with old signature)
9040                 // We also use the url parameter if available
9041                 s.url = ( ( url || s.url || ajaxLocation ) + "" ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
9042
9043                 // Alias method option to type as per ticket #12004
9044                 s.type = options.method || options.type || s.method || s.type;
9045
9046                 // Extract dataTypes list
9047                 s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( rnotwhite ) || [ "" ];
9048
9049                 // A cross-domain request is in order when we have a protocol:host:port mismatch
9050                 if ( s.crossDomain == null ) {
9051                         parts = rurl.exec( s.url.toLowerCase() );
9052                         s.crossDomain = !!( parts &&
9053                                 ( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] ||
9054                                         ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? "80" : "443" ) ) !==
9055                                                 ( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? "80" : "443" ) ) )
9056                         );
9057                 }
9058
9059                 // Convert data if not already a string
9060                 if ( s.data && s.processData && typeof s.data !== "string" ) {
9061                         s.data = jQuery.param( s.data, s.traditional );
9062                 }
9063
9064                 // Apply prefilters
9065                 inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
9066
9067                 // If request was aborted inside a prefilter, stop there
9068                 if ( state === 2 ) {
9069                         return jqXHR;
9070                 }
9071
9072                 // We can fire global events as of now if asked to
9073                 fireGlobals = s.global;
9074
9075                 // Watch for a new set of requests
9076                 if ( fireGlobals && jQuery.active++ === 0 ) {
9077                         jQuery.event.trigger("ajaxStart");
9078                 }
9079
9080                 // Uppercase the type
9081                 s.type = s.type.toUpperCase();
9082
9083                 // Determine if request has content
9084                 s.hasContent = !rnoContent.test( s.type );
9085
9086                 // Save the URL in case we're toying with the If-Modified-Since
9087                 // and/or If-None-Match header later on
9088                 cacheURL = s.url;
9089
9090                 // More options handling for requests with no content
9091                 if ( !s.hasContent ) {
9092
9093                         // If data is available, append data to url
9094                         if ( s.data ) {
9095                                 cacheURL = ( s.url += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
9096                                 // #9682: remove data so that it's not used in an eventual retry
9097                                 delete s.data;
9098                         }
9099
9100                         // Add anti-cache in url if needed
9101                         if ( s.cache === false ) {
9102                                 s.url = rts.test( cacheURL ) ?
9103
9104                                         // If there is already a '_' parameter, set its value
9105                                         cacheURL.replace( rts, "$1_=" + nonce++ ) :
9106
9107                                         // Otherwise add one to the end
9108                                         cacheURL + ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + nonce++;
9109                         }
9110                 }
9111
9112                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9113                 if ( s.ifModified ) {
9114                         if ( jQuery.lastModified[ cacheURL ] ) {
9115                                 jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
9116                         }
9117                         if ( jQuery.etag[ cacheURL ] ) {
9118                                 jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
9119                         }
9120                 }
9121
9122                 // Set the correct header, if data is being sent
9123                 if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
9124                         jqXHR.setRequestHeader( "Content-Type", s.contentType );
9125                 }
9126
9127                 // Set the Accepts header for the server, depending on the dataType
9128                 jqXHR.setRequestHeader(
9129                         "Accept",
9130                         s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ?
9131                                 s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
9132                                 s.accepts[ "*" ]
9133                 );
9134
9135                 // Check for headers option
9136                 for ( i in s.headers ) {
9137                         jqXHR.setRequestHeader( i, s.headers[ i ] );
9138                 }
9139
9140                 // Allow custom headers/mimetypes and early abort
9141                 if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
9142                         // Abort if not done already and return
9143                         return jqXHR.abort();
9144                 }
9145
9146                 // aborting is no longer a cancellation
9147                 strAbort = "abort";
9148
9149                 // Install callbacks on deferreds
9150                 for ( i in { success: 1, error: 1, complete: 1 } ) {
9151                         jqXHR[ i ]( s[ i ] );
9152                 }
9153
9154                 // Get transport
9155                 transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
9156
9157                 // If no transport, we auto-abort
9158                 if ( !transport ) {
9159                         done( -1, "No Transport" );
9160                 } else {
9161                         jqXHR.readyState = 1;
9162
9163                         // Send global event
9164                         if ( fireGlobals ) {
9165                                 globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
9166                         }
9167                         // Timeout
9168                         if ( s.async && s.timeout > 0 ) {
9169                                 timeoutTimer = setTimeout(function() {
9170                                         jqXHR.abort("timeout");
9171                                 }, s.timeout );
9172                         }
9173
9174                         try {
9175                                 state = 1;
9176                                 transport.send( requestHeaders, done );
9177                         } catch ( e ) {
9178                                 // Propagate exception as error if not done
9179                                 if ( state < 2 ) {
9180                                         done( -1, e );
9181                                 // Simply rethrow otherwise
9182                                 } else {
9183                                         throw e;
9184                                 }
9185                         }
9186                 }
9187
9188                 // Callback for when everything is done
9189                 function done( status, nativeStatusText, responses, headers ) {
9190                         var isSuccess, success, error, response, modified,
9191                                 statusText = nativeStatusText;
9192
9193                         // Called once
9194                         if ( state === 2 ) {
9195                                 return;
9196                         }
9197
9198                         // State is "done" now
9199                         state = 2;
9200
9201                         // Clear timeout if it exists
9202                         if ( timeoutTimer ) {
9203                                 clearTimeout( timeoutTimer );
9204                         }
9205
9206                         // Dereference transport for early garbage collection
9207                         // (no matter how long the jqXHR object will be used)
9208                         transport = undefined;
9209
9210                         // Cache response headers
9211                         responseHeadersString = headers || "";
9212
9213                         // Set readyState
9214                         jqXHR.readyState = status > 0 ? 4 : 0;
9215
9216                         // Determine if successful
9217                         isSuccess = status >= 200 && status < 300 || status === 304;
9218
9219                         // Get response data
9220                         if ( responses ) {
9221                                 response = ajaxHandleResponses( s, jqXHR, responses );
9222                         }
9223
9224                         // Convert no matter what (that way responseXXX fields are always set)
9225                         response = ajaxConvert( s, response, jqXHR, isSuccess );
9226
9227                         // If successful, handle type chaining
9228                         if ( isSuccess ) {
9229
9230                                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9231                                 if ( s.ifModified ) {
9232                                         modified = jqXHR.getResponseHeader("Last-Modified");
9233                                         if ( modified ) {
9234                                                 jQuery.lastModified[ cacheURL ] = modified;
9235                                         }
9236                                         modified = jqXHR.getResponseHeader("etag");
9237                                         if ( modified ) {
9238                                                 jQuery.etag[ cacheURL ] = modified;
9239                                         }
9240                                 }
9241
9242                                 // if no content
9243                                 if ( status === 204 || s.type === "HEAD" ) {
9244                                         statusText = "nocontent";
9245
9246                                 // if not modified
9247                                 } else if ( status === 304 ) {
9248                                         statusText = "notmodified";
9249
9250                                 // If we have data, let's convert it
9251                                 } else {
9252                                         statusText = response.state;
9253                                         success = response.data;
9254                                         error = response.error;
9255                                         isSuccess = !error;
9256                                 }
9257                         } else {
9258                                 // We extract error from statusText
9259                                 // then normalize statusText and status for non-aborts
9260                                 error = statusText;
9261                                 if ( status || !statusText ) {
9262                                         statusText = "error";
9263                                         if ( status < 0 ) {
9264                                                 status = 0;
9265                                         }
9266                                 }
9267                         }
9268
9269                         // Set data for the fake xhr object
9270                         jqXHR.status = status;
9271                         jqXHR.statusText = ( nativeStatusText || statusText ) + "";
9272
9273                         // Success/Error
9274                         if ( isSuccess ) {
9275                                 deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
9276                         } else {
9277                                 deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
9278                         }
9279
9280                         // Status-dependent callbacks
9281                         jqXHR.statusCode( statusCode );
9282                         statusCode = undefined;
9283
9284                         if ( fireGlobals ) {
9285                                 globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
9286                                         [ jqXHR, s, isSuccess ? success : error ] );
9287                         }
9288
9289                         // Complete
9290                         completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
9291
9292                         if ( fireGlobals ) {
9293                                 globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
9294                                 // Handle the global AJAX counter
9295                                 if ( !( --jQuery.active ) ) {
9296                                         jQuery.event.trigger("ajaxStop");
9297                                 }
9298                         }
9299                 }
9300
9301                 return jqXHR;
9302         },
9303
9304         getJSON: function( url, data, callback ) {
9305                 return jQuery.get( url, data, callback, "json" );
9306         },
9307
9308         getScript: function( url, callback ) {
9309                 return jQuery.get( url, undefined, callback, "script" );
9310         }
9311 });
9312
9313 jQuery.each( [ "get", "post" ], function( i, method ) {
9314         jQuery[ method ] = function( url, data, callback, type ) {
9315                 // shift arguments if data argument was omitted
9316                 if ( jQuery.isFunction( data ) ) {
9317                         type = type || callback;
9318                         callback = data;
9319                         data = undefined;
9320                 }
9321
9322                 return jQuery.ajax({
9323                         url: url,
9324                         type: method,
9325                         dataType: type,
9326                         data: data,
9327                         success: callback
9328                 });
9329         };
9330 });
9331
9332 // Attach a bunch of functions for handling common AJAX events
9333 jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ) {
9334         jQuery.fn[ type ] = function( fn ) {
9335                 return this.on( type, fn );
9336         };
9337 });
9338
9339
9340 jQuery._evalUrl = function( url ) {
9341         return jQuery.ajax({
9342                 url: url,
9343                 type: "GET",
9344                 dataType: "script",
9345                 async: false,
9346                 global: false,
9347                 "throws": true
9348         });
9349 };
9350
9351
9352 jQuery.fn.extend({
9353         wrapAll: function( html ) {
9354                 if ( jQuery.isFunction( html ) ) {
9355                         return this.each(function(i) {
9356                                 jQuery(this).wrapAll( html.call(this, i) );
9357                         });
9358                 }
9359
9360                 if ( this[0] ) {
9361                         // The elements to wrap the target around
9362                         var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone(true);
9363
9364                         if ( this[0].parentNode ) {
9365                                 wrap.insertBefore( this[0] );
9366                         }
9367
9368                         wrap.map(function() {
9369                                 var elem = this;
9370
9371                                 while ( elem.firstChild && elem.firstChild.nodeType === 1 ) {
9372                                         elem = elem.firstChild;
9373                                 }
9374
9375                                 return elem;
9376                         }).append( this );
9377                 }
9378
9379                 return this;
9380         },
9381
9382         wrapInner: function( html ) {
9383                 if ( jQuery.isFunction( html ) ) {
9384                         return this.each(function(i) {
9385                                 jQuery(this).wrapInner( html.call(this, i) );
9386                         });
9387                 }
9388
9389                 return this.each(function() {
9390                         var self = jQuery( this ),
9391                                 contents = self.contents();
9392
9393                         if ( contents.length ) {
9394                                 contents.wrapAll( html );
9395
9396                         } else {
9397                                 self.append( html );
9398                         }
9399                 });
9400         },
9401
9402         wrap: function( html ) {
9403                 var isFunction = jQuery.isFunction( html );
9404
9405                 return this.each(function(i) {
9406                         jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
9407                 });
9408         },
9409
9410         unwrap: function() {
9411                 return this.parent().each(function() {
9412                         if ( !jQuery.nodeName( this, "body" ) ) {
9413                                 jQuery( this ).replaceWith( this.childNodes );
9414                         }
9415                 }).end();
9416         }
9417 });
9418
9419
9420 jQuery.expr.filters.hidden = function( elem ) {
9421         // Support: Opera <= 12.12
9422         // Opera reports offsetWidths and offsetHeights less than zero on some elements
9423         return elem.offsetWidth <= 0 && elem.offsetHeight <= 0 ||
9424                 (!support.reliableHiddenOffsets() &&
9425                         ((elem.style && elem.style.display) || jQuery.css( elem, "display" )) === "none");
9426 };
9427
9428 jQuery.expr.filters.visible = function( elem ) {
9429         return !jQuery.expr.filters.hidden( elem );
9430 };
9431
9432
9433
9434
9435 var r20 = /%20/g,
9436         rbracket = /\[\]$/,
9437         rCRLF = /\r?\n/g,
9438         rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
9439         rsubmittable = /^(?:input|select|textarea|keygen)/i;
9440
9441 function buildParams( prefix, obj, traditional, add ) {
9442         var name;
9443
9444         if ( jQuery.isArray( obj ) ) {
9445                 // Serialize array item.
9446                 jQuery.each( obj, function( i, v ) {
9447                         if ( traditional || rbracket.test( prefix ) ) {
9448                                 // Treat each array item as a scalar.
9449                                 add( prefix, v );
9450
9451                         } else {
9452                                 // Item is non-scalar (array or object), encode its numeric index.
9453                                 buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
9454                         }
9455                 });
9456
9457         } else if ( !traditional && jQuery.type( obj ) === "object" ) {
9458                 // Serialize object item.
9459                 for ( name in obj ) {
9460                         buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
9461                 }
9462
9463         } else {
9464                 // Serialize scalar item.
9465                 add( prefix, obj );
9466         }
9467 }
9468
9469 // Serialize an array of form elements or a set of
9470 // key/values into a query string
9471 jQuery.param = function( a, traditional ) {
9472         var prefix,
9473                 s = [],
9474                 add = function( key, value ) {
9475                         // If value is a function, invoke it and return its value
9476                         value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
9477                         s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
9478                 };
9479
9480         // Set traditional to true for jQuery <= 1.3.2 behavior.
9481         if ( traditional === undefined ) {
9482                 traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
9483         }
9484
9485         // If an array was passed in, assume that it is an array of form elements.
9486         if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
9487                 // Serialize the form elements
9488                 jQuery.each( a, function() {
9489                         add( this.name, this.value );
9490                 });
9491
9492         } else {
9493                 // If traditional, encode the "old" way (the way 1.3.2 or older
9494                 // did it), otherwise encode params recursively.
9495                 for ( prefix in a ) {
9496                         buildParams( prefix, a[ prefix ], traditional, add );
9497                 }
9498         }
9499
9500         // Return the resulting serialization
9501         return s.join( "&" ).replace( r20, "+" );
9502 };
9503
9504 jQuery.fn.extend({
9505         serialize: function() {
9506                 return jQuery.param( this.serializeArray() );
9507         },
9508         serializeArray: function() {
9509                 return this.map(function() {
9510                         // Can add propHook for "elements" to filter or add form elements
9511                         var elements = jQuery.prop( this, "elements" );
9512                         return elements ? jQuery.makeArray( elements ) : this;
9513                 })
9514                 .filter(function() {
9515                         var type = this.type;
9516                         // Use .is(":disabled") so that fieldset[disabled] works
9517                         return this.name && !jQuery( this ).is( ":disabled" ) &&
9518                                 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
9519                                 ( this.checked || !rcheckableType.test( type ) );
9520                 })
9521                 .map(function( i, elem ) {
9522                         var val = jQuery( this ).val();
9523
9524                         return val == null ?
9525                                 null :
9526                                 jQuery.isArray( val ) ?
9527                                         jQuery.map( val, function( val ) {
9528                                                 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
9529                                         }) :
9530                                         { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
9531                 }).get();
9532         }
9533 });
9534
9535
9536 // Create the request object
9537 // (This is still attached to ajaxSettings for backward compatibility)
9538 jQuery.ajaxSettings.xhr = window.ActiveXObject !== undefined ?
9539         // Support: IE6+
9540         function() {
9541
9542                 // XHR cannot access local files, always use ActiveX for that case
9543                 return !this.isLocal &&
9544
9545                         // Support: IE7-8
9546                         // oldIE XHR does not support non-RFC2616 methods (#13240)
9547                         // See http://msdn.microsoft.com/en-us/library/ie/ms536648(v=vs.85).aspx
9548                         // and http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9
9549                         // Although this check for six methods instead of eight
9550                         // since IE also does not support "trace" and "connect"
9551                         /^(get|post|head|put|delete|options)$/i.test( this.type ) &&
9552
9553                         createStandardXHR() || createActiveXHR();
9554         } :
9555         // For all other browsers, use the standard XMLHttpRequest object
9556         createStandardXHR;
9557
9558 var xhrId = 0,
9559         xhrCallbacks = {},
9560         xhrSupported = jQuery.ajaxSettings.xhr();
9561
9562 // Support: IE<10
9563 // Open requests must be manually aborted on unload (#5280)
9564 if ( window.ActiveXObject ) {
9565         jQuery( window ).on( "unload", function() {
9566                 for ( var key in xhrCallbacks ) {
9567                         xhrCallbacks[ key ]( undefined, true );
9568                 }
9569         });
9570 }
9571
9572 // Determine support properties
9573 support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
9574 xhrSupported = support.ajax = !!xhrSupported;
9575
9576 // Create transport if the browser can provide an xhr
9577 if ( xhrSupported ) {
9578
9579         jQuery.ajaxTransport(function( options ) {
9580                 // Cross domain only allowed if supported through XMLHttpRequest
9581                 if ( !options.crossDomain || support.cors ) {
9582
9583                         var callback;
9584
9585                         return {
9586                                 send: function( headers, complete ) {
9587                                         var i,
9588                                                 xhr = options.xhr(),
9589                                                 id = ++xhrId;
9590
9591                                         // Open the socket
9592                                         xhr.open( options.type, options.url, options.async, options.username, options.password );
9593
9594                                         // Apply custom fields if provided
9595                                         if ( options.xhrFields ) {
9596                                                 for ( i in options.xhrFields ) {
9597                                                         xhr[ i ] = options.xhrFields[ i ];
9598                                                 }
9599                                         }
9600
9601                                         // Override mime type if needed
9602                                         if ( options.mimeType && xhr.overrideMimeType ) {
9603                                                 xhr.overrideMimeType( options.mimeType );
9604                                         }
9605
9606                                         // X-Requested-With header
9607                                         // For cross-domain requests, seeing as conditions for a preflight are
9608                                         // akin to a jigsaw puzzle, we simply never set it to be sure.
9609                                         // (it can always be set on a per-request basis or even using ajaxSetup)
9610                                         // For same-domain requests, won't change header if already provided.
9611                                         if ( !options.crossDomain && !headers["X-Requested-With"] ) {
9612                                                 headers["X-Requested-With"] = "XMLHttpRequest";
9613                                         }
9614
9615                                         // Set headers
9616                                         for ( i in headers ) {
9617                                                 // Support: IE<9
9618                                                 // IE's ActiveXObject throws a 'Type Mismatch' exception when setting
9619                                                 // request header to a null-value.
9620                                                 //
9621                                                 // To keep consistent with other XHR implementations, cast the value
9622                                                 // to string and ignore `undefined`.
9623                                                 if ( headers[ i ] !== undefined ) {
9624                                                         xhr.setRequestHeader( i, headers[ i ] + "" );
9625                                                 }
9626                                         }
9627
9628                                         // Do send the request
9629                                         // This may raise an exception which is actually
9630                                         // handled in jQuery.ajax (so no try/catch here)
9631                                         xhr.send( ( options.hasContent && options.data ) || null );
9632
9633                                         // Listener
9634                                         callback = function( _, isAbort ) {
9635                                                 var status, statusText, responses;
9636
9637                                                 // Was never called and is aborted or complete
9638                                                 if ( callback && ( isAbort || xhr.readyState === 4 ) ) {
9639                                                         // Clean up
9640                                                         delete xhrCallbacks[ id ];
9641                                                         callback = undefined;
9642                                                         xhr.onreadystatechange = jQuery.noop;
9643
9644                                                         // Abort manually if needed
9645                                                         if ( isAbort ) {
9646                                                                 if ( xhr.readyState !== 4 ) {
9647                                                                         xhr.abort();
9648                                                                 }
9649                                                         } else {
9650                                                                 responses = {};
9651                                                                 status = xhr.status;
9652
9653                                                                 // Support: IE<10
9654                                                                 // Accessing binary-data responseText throws an exception
9655                                                                 // (#11426)
9656                                                                 if ( typeof xhr.responseText === "string" ) {
9657                                                                         responses.text = xhr.responseText;
9658                                                                 }
9659
9660                                                                 // Firefox throws an exception when accessing
9661                                                                 // statusText for faulty cross-domain requests
9662                                                                 try {
9663                                                                         statusText = xhr.statusText;
9664                                                                 } catch( e ) {
9665                                                                         // We normalize with Webkit giving an empty statusText
9666                                                                         statusText = "";
9667                                                                 }
9668
9669                                                                 // Filter status for non standard behaviors
9670
9671                                                                 // If the request is local and we have data: assume a success
9672                                                                 // (success with no data won't get notified, that's the best we
9673                                                                 // can do given current implementations)
9674                                                                 if ( !status && options.isLocal && !options.crossDomain ) {
9675                                                                         status = responses.text ? 200 : 404;
9676                                                                 // IE - #1450: sometimes returns 1223 when it should be 204
9677                                                                 } else if ( status === 1223 ) {
9678                                                                         status = 204;
9679                                                                 }
9680                                                         }
9681                                                 }
9682
9683                                                 // Call complete if needed
9684                                                 if ( responses ) {
9685                                                         complete( status, statusText, responses, xhr.getAllResponseHeaders() );
9686                                                 }
9687                                         };
9688
9689                                         if ( !options.async ) {
9690                                                 // if we're in sync mode we fire the callback
9691                                                 callback();
9692                                         } else if ( xhr.readyState === 4 ) {
9693                                                 // (IE6 & IE7) if it's in cache and has been
9694                                                 // retrieved directly we need to fire the callback
9695                                                 setTimeout( callback );
9696                                         } else {
9697                                                 // Add to the list of active xhr callbacks
9698                                                 xhr.onreadystatechange = xhrCallbacks[ id ] = callback;
9699                                         }
9700                                 },
9701
9702                                 abort: function() {
9703                                         if ( callback ) {
9704                                                 callback( undefined, true );
9705                                         }
9706                                 }
9707                         };
9708                 }
9709         });
9710 }
9711
9712 // Functions to create xhrs
9713 function createStandardXHR() {
9714         try {
9715                 return new window.XMLHttpRequest();
9716         } catch( e ) {}
9717 }
9718
9719 function createActiveXHR() {
9720         try {
9721                 return new window.ActiveXObject( "Microsoft.XMLHTTP" );
9722         } catch( e ) {}
9723 }
9724
9725
9726
9727
9728 // Install script dataType
9729 jQuery.ajaxSetup({
9730         accepts: {
9731                 script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
9732         },
9733         contents: {
9734                 script: /(?:java|ecma)script/
9735         },
9736         converters: {
9737                 "text script": function( text ) {
9738                         jQuery.globalEval( text );
9739                         return text;
9740                 }
9741         }
9742 });
9743
9744 // Handle cache's special case and global
9745 jQuery.ajaxPrefilter( "script", function( s ) {
9746         if ( s.cache === undefined ) {
9747                 s.cache = false;
9748         }
9749         if ( s.crossDomain ) {
9750                 s.type = "GET";
9751                 s.global = false;
9752         }
9753 });
9754
9755 // Bind script tag hack transport
9756 jQuery.ajaxTransport( "script", function(s) {
9757
9758         // This transport only deals with cross domain requests
9759         if ( s.crossDomain ) {
9760
9761                 var script,
9762                         head = document.head || jQuery("head")[0] || document.documentElement;
9763
9764                 return {
9765
9766                         send: function( _, callback ) {
9767
9768                                 script = document.createElement("script");
9769
9770                                 script.async = true;
9771
9772                                 if ( s.scriptCharset ) {
9773                                         script.charset = s.scriptCharset;
9774                                 }
9775
9776                                 script.src = s.url;
9777
9778                                 // Attach handlers for all browsers
9779                                 script.onload = script.onreadystatechange = function( _, isAbort ) {
9780
9781                                         if ( isAbort || !script.readyState || /loaded|complete/.test( script.readyState ) ) {
9782
9783                                                 // Handle memory leak in IE
9784                                                 script.onload = script.onreadystatechange = null;
9785
9786                                                 // Remove the script
9787                                                 if ( script.parentNode ) {
9788                                                         script.parentNode.removeChild( script );
9789                                                 }
9790
9791                                                 // Dereference the script
9792                                                 script = null;
9793
9794                                                 // Callback if not abort
9795                                                 if ( !isAbort ) {
9796                                                         callback( 200, "success" );
9797                                                 }
9798                                         }
9799                                 };
9800
9801                                 // Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending
9802                                 // Use native DOM manipulation to avoid our domManip AJAX trickery
9803                                 head.insertBefore( script, head.firstChild );
9804                         },
9805
9806                         abort: function() {
9807                                 if ( script ) {
9808                                         script.onload( undefined, true );
9809                                 }
9810                         }
9811                 };
9812         }
9813 });
9814
9815
9816
9817
9818 var oldCallbacks = [],
9819         rjsonp = /(=)\?(?=&|$)|\?\?/;
9820
9821 // Default jsonp settings
9822 jQuery.ajaxSetup({
9823         jsonp: "callback",
9824         jsonpCallback: function() {
9825                 var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
9826                 this[ callback ] = true;
9827                 return callback;
9828         }
9829 });
9830
9831 // Detect, normalize options and install callbacks for jsonp requests
9832 jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
9833
9834         var callbackName, overwritten, responseContainer,
9835                 jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
9836                         "url" :
9837                         typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data"
9838                 );
9839
9840         // Handle iff the expected data type is "jsonp" or we have a parameter to set
9841         if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
9842
9843                 // Get callback name, remembering preexisting value associated with it
9844                 callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
9845                         s.jsonpCallback() :
9846                         s.jsonpCallback;
9847
9848                 // Insert callback into url or form data
9849                 if ( jsonProp ) {
9850                         s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
9851                 } else if ( s.jsonp !== false ) {
9852                         s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
9853                 }
9854
9855                 // Use data converter to retrieve json after script execution
9856                 s.converters["script json"] = function() {
9857                         if ( !responseContainer ) {
9858                                 jQuery.error( callbackName + " was not called" );
9859                         }
9860                         return responseContainer[ 0 ];
9861                 };
9862
9863                 // force json dataType
9864                 s.dataTypes[ 0 ] = "json";
9865
9866                 // Install callback
9867                 overwritten = window[ callbackName ];
9868                 window[ callbackName ] = function() {
9869                         responseContainer = arguments;
9870                 };
9871
9872                 // Clean-up function (fires after converters)
9873                 jqXHR.always(function() {
9874                         // Restore preexisting value
9875                         window[ callbackName ] = overwritten;
9876
9877                         // Save back as free
9878                         if ( s[ callbackName ] ) {
9879                                 // make sure that re-using the options doesn't screw things around
9880                                 s.jsonpCallback = originalSettings.jsonpCallback;
9881
9882                                 // save the callback name for future use
9883                                 oldCallbacks.push( callbackName );
9884                         }
9885
9886                         // Call if it was a function and we have a response
9887                         if ( responseContainer && jQuery.isFunction( overwritten ) ) {
9888                                 overwritten( responseContainer[ 0 ] );
9889                         }
9890
9891                         responseContainer = overwritten = undefined;
9892                 });
9893
9894                 // Delegate to script
9895                 return "script";
9896         }
9897 });
9898
9899
9900
9901
9902 // data: string of html
9903 // context (optional): If specified, the fragment will be created in this context, defaults to document
9904 // keepScripts (optional): If true, will include scripts passed in the html string
9905 jQuery.parseHTML = function( data, context, keepScripts ) {
9906         if ( !data || typeof data !== "string" ) {
9907                 return null;
9908         }
9909         if ( typeof context === "boolean" ) {
9910                 keepScripts = context;
9911                 context = false;
9912         }
9913         context = context || document;
9914
9915         var parsed = rsingleTag.exec( data ),
9916                 scripts = !keepScripts && [];
9917
9918         // Single tag
9919         if ( parsed ) {
9920                 return [ context.createElement( parsed[1] ) ];
9921         }
9922
9923         parsed = jQuery.buildFragment( [ data ], context, scripts );
9924
9925         if ( scripts && scripts.length ) {
9926                 jQuery( scripts ).remove();
9927         }
9928
9929         return jQuery.merge( [], parsed.childNodes );
9930 };
9931
9932
9933 // Keep a copy of the old load method
9934 var _load = jQuery.fn.load;
9935
9936 /**
9937  * Load a url into a page
9938  */
9939 jQuery.fn.load = function( url, params, callback ) {
9940         if ( typeof url !== "string" && _load ) {
9941                 return _load.apply( this, arguments );
9942         }
9943
9944         var selector, response, type,
9945                 self = this,
9946                 off = url.indexOf(" ");
9947
9948         if ( off >= 0 ) {
9949                 selector = jQuery.trim( url.slice( off, url.length ) );
9950                 url = url.slice( 0, off );
9951         }
9952
9953         // If it's a function
9954         if ( jQuery.isFunction( params ) ) {
9955
9956                 // We assume that it's the callback
9957                 callback = params;
9958                 params = undefined;
9959
9960         // Otherwise, build a param string
9961         } else if ( params && typeof params === "object" ) {
9962                 type = "POST";
9963         }
9964
9965         // If we have elements to modify, make the request
9966         if ( self.length > 0 ) {
9967                 jQuery.ajax({
9968                         url: url,
9969
9970                         // if "type" variable is undefined, then "GET" method will be used
9971                         type: type,
9972                         dataType: "html",
9973                         data: params
9974                 }).done(function( responseText ) {
9975
9976                         // Save response for use in complete callback
9977                         response = arguments;
9978
9979                         self.html( selector ?
9980
9981                                 // If a selector was specified, locate the right elements in a dummy div
9982                                 // Exclude scripts to avoid IE 'Permission Denied' errors
9983                                 jQuery("<div>").append( jQuery.parseHTML( responseText ) ).find( selector ) :
9984
9985                                 // Otherwise use the full result
9986                                 responseText );
9987
9988                 }).complete( callback && function( jqXHR, status ) {
9989                         self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
9990                 });
9991         }
9992
9993         return this;
9994 };
9995
9996
9997
9998
9999 jQuery.expr.filters.animated = function( elem ) {
10000         return jQuery.grep(jQuery.timers, function( fn ) {
10001                 return elem === fn.elem;
10002         }).length;
10003 };
10004
10005
10006
10007
10008
10009 var docElem = window.document.documentElement;
10010
10011 /**
10012  * Gets a window from an element
10013  */
10014 function getWindow( elem ) {
10015         return jQuery.isWindow( elem ) ?
10016                 elem :
10017                 elem.nodeType === 9 ?
10018                         elem.defaultView || elem.parentWindow :
10019                         false;
10020 }
10021
10022 jQuery.offset = {
10023         setOffset: function( elem, options, i ) {
10024                 var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
10025                         position = jQuery.css( elem, "position" ),
10026                         curElem = jQuery( elem ),
10027                         props = {};
10028
10029                 // set position first, in-case top/left are set even on static elem
10030                 if ( position === "static" ) {
10031                         elem.style.position = "relative";
10032                 }
10033
10034                 curOffset = curElem.offset();
10035                 curCSSTop = jQuery.css( elem, "top" );
10036                 curCSSLeft = jQuery.css( elem, "left" );
10037                 calculatePosition = ( position === "absolute" || position === "fixed" ) &&
10038                         jQuery.inArray("auto", [ curCSSTop, curCSSLeft ] ) > -1;
10039
10040                 // need to be able to calculate position if either top or left is auto and position is either absolute or fixed
10041                 if ( calculatePosition ) {
10042                         curPosition = curElem.position();
10043                         curTop = curPosition.top;
10044                         curLeft = curPosition.left;
10045                 } else {
10046                         curTop = parseFloat( curCSSTop ) || 0;
10047                         curLeft = parseFloat( curCSSLeft ) || 0;
10048                 }
10049
10050                 if ( jQuery.isFunction( options ) ) {
10051                         options = options.call( elem, i, curOffset );
10052                 }
10053
10054                 if ( options.top != null ) {
10055                         props.top = ( options.top - curOffset.top ) + curTop;
10056                 }
10057                 if ( options.left != null ) {
10058                         props.left = ( options.left - curOffset.left ) + curLeft;
10059                 }
10060
10061                 if ( "using" in options ) {
10062                         options.using.call( elem, props );
10063                 } else {
10064                         curElem.css( props );
10065                 }
10066         }
10067 };
10068
10069 jQuery.fn.extend({
10070         offset: function( options ) {
10071                 if ( arguments.length ) {
10072                         return options === undefined ?
10073                                 this :
10074                                 this.each(function( i ) {
10075                                         jQuery.offset.setOffset( this, options, i );
10076                                 });
10077                 }
10078
10079                 var docElem, win,
10080                         box = { top: 0, left: 0 },
10081                         elem = this[ 0 ],
10082                         doc = elem && elem.ownerDocument;
10083
10084                 if ( !doc ) {
10085                         return;
10086                 }
10087
10088                 docElem = doc.documentElement;
10089
10090                 // Make sure it's not a disconnected DOM node
10091                 if ( !jQuery.contains( docElem, elem ) ) {
10092                         return box;
10093                 }
10094
10095                 // If we don't have gBCR, just use 0,0 rather than error
10096                 // BlackBerry 5, iOS 3 (original iPhone)
10097                 if ( typeof elem.getBoundingClientRect !== strundefined ) {
10098                         box = elem.getBoundingClientRect();
10099                 }
10100                 win = getWindow( doc );
10101                 return {
10102                         top: box.top  + ( win.pageYOffset || docElem.scrollTop )  - ( docElem.clientTop  || 0 ),
10103                         left: box.left + ( win.pageXOffset || docElem.scrollLeft ) - ( docElem.clientLeft || 0 )
10104                 };
10105         },
10106
10107         position: function() {
10108                 if ( !this[ 0 ] ) {
10109                         return;
10110                 }
10111
10112                 var offsetParent, offset,
10113                         parentOffset = { top: 0, left: 0 },
10114                         elem = this[ 0 ];
10115
10116                 // fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is its only offset parent
10117                 if ( jQuery.css( elem, "position" ) === "fixed" ) {
10118                         // we assume that getBoundingClientRect is available when computed position is fixed
10119                         offset = elem.getBoundingClientRect();
10120                 } else {
10121                         // Get *real* offsetParent
10122                         offsetParent = this.offsetParent();
10123
10124                         // Get correct offsets
10125                         offset = this.offset();
10126                         if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
10127                                 parentOffset = offsetParent.offset();
10128                         }
10129
10130                         // Add offsetParent borders
10131                         parentOffset.top  += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true );
10132                         parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true );
10133                 }
10134
10135                 // Subtract parent offsets and element margins
10136                 // note: when an element has margin: auto the offsetLeft and marginLeft
10137                 // are the same in Safari causing offset.left to incorrectly be 0
10138                 return {
10139                         top:  offset.top  - parentOffset.top - jQuery.css( elem, "marginTop", true ),
10140                         left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true)
10141                 };
10142         },
10143
10144         offsetParent: function() {
10145                 return this.map(function() {
10146                         var offsetParent = this.offsetParent || docElem;
10147
10148                         while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position" ) === "static" ) ) {
10149                                 offsetParent = offsetParent.offsetParent;
10150                         }
10151                         return offsetParent || docElem;
10152                 });
10153         }
10154 });
10155
10156 // Create scrollLeft and scrollTop methods
10157 jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
10158         var top = /Y/.test( prop );
10159
10160         jQuery.fn[ method ] = function( val ) {
10161                 return access( this, function( elem, method, val ) {
10162                         var win = getWindow( elem );
10163
10164                         if ( val === undefined ) {
10165                                 return win ? (prop in win) ? win[ prop ] :
10166                                         win.document.documentElement[ method ] :
10167                                         elem[ method ];
10168                         }
10169
10170                         if ( win ) {
10171                                 win.scrollTo(
10172                                         !top ? val : jQuery( win ).scrollLeft(),
10173                                         top ? val : jQuery( win ).scrollTop()
10174                                 );
10175
10176                         } else {
10177                                 elem[ method ] = val;
10178                         }
10179                 }, method, val, arguments.length, null );
10180         };
10181 });
10182
10183 // Add the top/left cssHooks using jQuery.fn.position
10184 // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
10185 // getComputedStyle returns percent when specified for top/left/bottom/right
10186 // rather than make the css module depend on the offset module, we just check for it here
10187 jQuery.each( [ "top", "left" ], function( i, prop ) {
10188         jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
10189                 function( elem, computed ) {
10190                         if ( computed ) {
10191                                 computed = curCSS( elem, prop );
10192                                 // if curCSS returns percentage, fallback to offset
10193                                 return rnumnonpx.test( computed ) ?
10194                                         jQuery( elem ).position()[ prop ] + "px" :
10195                                         computed;
10196                         }
10197                 }
10198         );
10199 });
10200
10201
10202 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
10203 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
10204         jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
10205                 // margin is only for outerHeight, outerWidth
10206                 jQuery.fn[ funcName ] = function( margin, value ) {
10207                         var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
10208                                 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
10209
10210                         return access( this, function( elem, type, value ) {
10211                                 var doc;
10212
10213                                 if ( jQuery.isWindow( elem ) ) {
10214                                         // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
10215                                         // isn't a whole lot we can do. See pull request at this URL for discussion:
10216                                         // https://github.com/jquery/jquery/pull/764
10217                                         return elem.document.documentElement[ "client" + name ];
10218                                 }
10219
10220                                 // Get document width or height
10221                                 if ( elem.nodeType === 9 ) {
10222                                         doc = elem.documentElement;
10223
10224                                         // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], whichever is greatest
10225                                         // unfortunately, this causes bug #3838 in IE6/8 only, but there is currently no good, small way to fix it.
10226                                         return Math.max(
10227                                                 elem.body[ "scroll" + name ], doc[ "scroll" + name ],
10228                                                 elem.body[ "offset" + name ], doc[ "offset" + name ],
10229                                                 doc[ "client" + name ]
10230                                         );
10231                                 }
10232
10233                                 return value === undefined ?
10234                                         // Get width or height on the element, requesting but not forcing parseFloat
10235                                         jQuery.css( elem, type, extra ) :
10236
10237                                         // Set width or height on the element
10238                                         jQuery.style( elem, type, value, extra );
10239                         }, type, chainable ? margin : undefined, chainable, null );
10240                 };
10241         });
10242 });
10243
10244
10245 // The number of elements contained in the matched element set
10246 jQuery.fn.size = function() {
10247         return this.length;
10248 };
10249
10250 jQuery.fn.andSelf = jQuery.fn.addBack;
10251
10252
10253
10254
10255 // Register as a named AMD module, since jQuery can be concatenated with other
10256 // files that may use define, but not via a proper concatenation script that
10257 // understands anonymous AMD modules. A named AMD is safest and most robust
10258 // way to register. Lowercase jquery is used because AMD module names are
10259 // derived from file names, and jQuery is normally delivered in a lowercase
10260 // file name. Do this after creating the global so that if an AMD module wants
10261 // to call noConflict to hide this version of jQuery, it will work.
10262
10263 // Note that for maximum portability, libraries that are not jQuery should
10264 // declare themselves as anonymous modules, and avoid setting a global if an
10265 // AMD loader is present. jQuery is a special case. For more information, see
10266 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
10267
10268 if ( typeof define === "function" && define.amd ) {
10269         define( "jquery", [], function() {
10270                 return jQuery;
10271         });
10272 }
10273
10274
10275
10276
10277 var
10278         // Map over jQuery in case of overwrite
10279         _jQuery = window.jQuery,
10280
10281         // Map over the $ in case of overwrite
10282         _$ = window.$;
10283
10284 jQuery.noConflict = function( deep ) {
10285         if ( window.$ === jQuery ) {
10286                 window.$ = _$;
10287         }
10288
10289         if ( deep && window.jQuery === jQuery ) {
10290                 window.jQuery = _jQuery;
10291         }
10292
10293         return jQuery;
10294 };
10295
10296 // Expose jQuery and $ identifiers, even in
10297 // AMD (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
10298 // and CommonJS for browser emulators (#13566)
10299 if ( typeof noGlobal === strundefined ) {
10300         window.jQuery = window.$ = jQuery;
10301 }
10302
10303
10304
10305
10306 return jQuery;
10307
10308 }));