-/* Prototype JavaScript framework, version 1.5.0_rc1
- * (c) 2005 Sam Stephenson <sam@conio.net>
- *
- * Prototype is freely distributable under the terms of an MIT-style license.
- * For details, see the Prototype web site: http://prototype.conio.net/
- *
-/*--------------------------------------------------------------------------*/
-
-var Prototype = {
- Version: '1.5.0_rc1',
- ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
-
- emptyFunction: function() {},
- K: function(x) {return x}
-}
-
-var Class = {
- create: function() {
- return function() {
- this.initialize.apply(this, arguments);
- }
- }
-}
-
-var Abstract = new Object();
-
-Object.extend = function(destination, source) {
- for (var property in source) {
- destination[property] = source[property];
- }
- return destination;
-}
-
-Object.extend(Object, {
- inspect: function(object) {
- try {
- if (object == undefined) return 'undefined';
- if (object == null) return 'null';
- return object.inspect ? object.inspect() : object.toString();
- } catch (e) {
- if (e instanceof RangeError) return '...';
- throw e;
- }
- },
-
- keys: function(object) {
- var keys = [];
- for (var property in object)
- keys.push(property);
- return keys;
- },
-
- values: function(object) {
- var values = [];
- for (var property in object)
- values.push(object[property]);
- return values;
- },
-
- clone: function(object) {
- return Object.extend({}, object);
- }
-});
-
-Function.prototype.bind = function() {
- var __method = this, args = $A(arguments), object = args.shift();
- return function() {
- return __method.apply(object, args.concat($A(arguments)));
- }
-}
-
-Function.prototype.bindAsEventListener = function(object) {
- var __method = this, args = $A(arguments), object = args.shift();
- return function(event) {
- return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments)));
- }
-}
-
-Object.extend(Number.prototype, {
- toColorPart: function() {
- var digits = this.toString(16);
- if (this < 16) return '0' + digits;
- return digits;
- },
-
- succ: function() {
- return this + 1;
- },
-
- times: function(iterator) {
- $R(0, this, true).each(iterator);
- return this;
- }
-});
-
-var Try = {
- these: function() {
- var returnValue;
-
- for (var i = 0; i < arguments.length; i++) {
- var lambda = arguments[i];
- try {
- returnValue = lambda();
- break;
- } catch (e) {}
- }
-
- return returnValue;
- }
-}
-
-/*--------------------------------------------------------------------------*/
-
-var PeriodicalExecuter = Class.create();
-PeriodicalExecuter.prototype = {
- initialize: function(callback, frequency) {
- this.callback = callback;
- this.frequency = frequency;
- this.currentlyExecuting = false;
-
- this.registerCallback();
- },
-
- registerCallback: function() {
- this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
- },
-
- stop: function() {
- if (!this.timer) return;
- clearInterval(this.timer);
- this.timer = null;
- },
-
- onTimerEvent: function() {
- if (!this.currentlyExecuting) {
- try {
- this.currentlyExecuting = true;
- this.callback(this);
- } finally {
- this.currentlyExecuting = false;
- }
- }
- }
-}
-Object.extend(String.prototype, {
- gsub: function(pattern, replacement) {
- var result = '', source = this, match;
- replacement = arguments.callee.prepareReplacement(replacement);
-
- while (source.length > 0) {
- if (match = source.match(pattern)) {
- result += source.slice(0, match.index);
- result += (replacement(match) || '').toString();
- source = source.slice(match.index + match[0].length);
- } else {
- result += source, source = '';
- }
- }
- return result;
- },
-
- sub: function(pattern, replacement, count) {
- replacement = this.gsub.prepareReplacement(replacement);
- count = count === undefined ? 1 : count;
-
- return this.gsub(pattern, function(match) {
- if (--count < 0) return match[0];
- return replacement(match);
- });
- },
-
- scan: function(pattern, iterator) {
- this.gsub(pattern, iterator);
- return this;
- },
-
- truncate: function(length, truncation) {
- length = length || 30;
- truncation = truncation === undefined ? '...' : truncation;
- return this.length > length ?
- this.slice(0, length - truncation.length) + truncation : this;
- },
-
- strip: function() {
- return this.replace(/^\s+/, '').replace(/\s+$/, '');
- },
-
- stripTags: function() {
- return this.replace(/<\/?[^>]+>/gi, '');
- },
-
- stripScripts: function() {
- return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
- },
-
- extractScripts: function() {
- var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
- var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
- return (this.match(matchAll) || []).map(function(scriptTag) {
- return (scriptTag.match(matchOne) || ['', ''])[1];
- });
- },
-
- evalScripts: function() {
- return this.extractScripts().map(function(script) { return eval(script) });
- },
-
- escapeHTML: function() {
- var div = document.createElement('div');
- var text = document.createTextNode(this);
- div.appendChild(text);
- return div.innerHTML;
- },
-
- unescapeHTML: function() {
- var div = document.createElement('div');
- div.innerHTML = this.stripTags();
- return div.childNodes[0] ? div.childNodes[0].nodeValue : '';
- },
-
- toQueryParams: function() {
- var pairs = this.match(/^\??(.*)$/)[1].split('&');
- return pairs.inject({}, function(params, pairString) {
- var pair = pairString.split('=');
- var value = pair[1] ? decodeURIComponent(pair[1]) : undefined;
- params[decodeURIComponent(pair[0])] = value;
- return params;
- });
- },
-
- toArray: function() {
- return this.split('');
- },
-
- camelize: function() {
- var oStringList = this.split('-');
- if (oStringList.length == 1) return oStringList[0];
-
- var camelizedString = this.indexOf('-') == 0
- ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1)
- : oStringList[0];
-
- for (var i = 1, len = oStringList.length; i < len; i++) {
- var s = oStringList[i];
- camelizedString += s.charAt(0).toUpperCase() + s.substring(1);
- }
-
- return camelizedString;
- },
-
- inspect: function(useDoubleQuotes) {
- var escapedString = this.replace(/\\/g, '\\\\');
- if (useDoubleQuotes)
- return '"' + escapedString.replace(/"/g, '\\"') + '"';
- else
- return "'" + escapedString.replace(/'/g, '\\\'') + "'";
- }
-});
-
-String.prototype.gsub.prepareReplacement = function(replacement) {
- if (typeof replacement == 'function') return replacement;
- var template = new Template(replacement);
- return function(match) { return template.evaluate(match) };
-}
-
-String.prototype.parseQuery = String.prototype.toQueryParams;
-
-var Template = Class.create();
-Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
-Template.prototype = {
- initialize: function(template, pattern) {
- this.template = template.toString();
- this.pattern = pattern || Template.Pattern;
- },
-
- evaluate: function(object) {
- return this.template.gsub(this.pattern, function(match) {
- var before = match[1];
- if (before == '\\') return match[2];
- return before + (object[match[3]] || '').toString();
- });
- }
-}
-
-var $break = new Object();
-var $continue = new Object();
-
-var Enumerable = {
- each: function(iterator) {
- var index = 0;
- try {
- this._each(function(value) {
- try {
- iterator(value, index++);
- } catch (e) {
- if (e != $continue) throw e;
- }
- });
- } catch (e) {
- if (e != $break) throw e;
- }
- },
-
- all: function(iterator) {
- var result = true;
- this.each(function(value, index) {
- result = result && !!(iterator || Prototype.K)(value, index);
- if (!result) throw $break;
- });
- return result;
- },
-
- any: function(iterator) {
- var result = false;
- this.each(function(value, index) {
- if (result = !!(iterator || Prototype.K)(value, index))
- throw $break;
- });
- return result;
- },
-
- collect: function(iterator) {
- var results = [];
- this.each(function(value, index) {
- results.push(iterator(value, index));
- });
- return results;
- },
-
- detect: function (iterator) {
- var result;
- this.each(function(value, index) {
- if (iterator(value, index)) {
- result = value;
- throw $break;
- }
- });
- return result;
- },
-
- findAll: function(iterator) {
- var results = [];
- this.each(function(value, index) {
- if (iterator(value, index))
- results.push(value);
- });
- return results;
- },
-
- grep: function(pattern, iterator) {
- var results = [];
- this.each(function(value, index) {
- var stringValue = value.toString();
- if (stringValue.match(pattern))
- results.push((iterator || Prototype.K)(value, index));
- })
- return results;
- },
-
- include: function(object) {
- var found = false;
- this.each(function(value) {
- if (value == object) {
- found = true;
- throw $break;
- }
- });
- return found;
- },
-
- inject: function(memo, iterator) {
- this.each(function(value, index) {
- memo = iterator(memo, value, index);
- });
- return memo;
- },
-
- invoke: function(method) {
- var args = $A(arguments).slice(1);
- return this.collect(function(value) {
- return value[method].apply(value, args);
- });
- },
-
- max: function(iterator) {
- var result;
- this.each(function(value, index) {
- value = (iterator || Prototype.K)(value, index);
- if (result == undefined || value >= result)
- result = value;
- });
- return result;
- },
-
- min: function(iterator) {
- var result;
- this.each(function(value, index) {
- value = (iterator || Prototype.K)(value, index);
- if (result == undefined || value < result)
- result = value;
- });
- return result;
- },
-
- partition: function(iterator) {
- var trues = [], falses = [];
- this.each(function(value, index) {
- ((iterator || Prototype.K)(value, index) ?
- trues : falses).push(value);
- });
- return [trues, falses];
- },
-
- pluck: function(property) {
- var results = [];
- this.each(function(value, index) {
- results.push(value[property]);
- });
- return results;
- },
-
- reject: function(iterator) {
- var results = [];
- this.each(function(value, index) {
- if (!iterator(value, index))
- results.push(value);
- });
- return results;
- },
-
- sortBy: function(iterator) {
- return this.collect(function(value, index) {
- return {value: value, criteria: iterator(value, index)};
- }).sort(function(left, right) {
- var a = left.criteria, b = right.criteria;
- return a < b ? -1 : a > b ? 1 : 0;
- }).pluck('value');
- },
-
- toArray: function() {
- return this.collect(Prototype.K);
- },
-
- zip: function() {
- var iterator = Prototype.K, args = $A(arguments);
- if (typeof args.last() == 'function')
- iterator = args.pop();
-
- var collections = [this].concat(args).map($A);
- return this.map(function(value, index) {
- return iterator(collections.pluck(index));
- });
- },
-
- inspect: function() {
- return '#<Enumerable:' + this.toArray().inspect() + '>';
- }
-}
-
-Object.extend(Enumerable, {
- map: Enumerable.collect,
- find: Enumerable.detect,
- select: Enumerable.findAll,
- member: Enumerable.include,
- entries: Enumerable.toArray
-});
-var $A = Array.from = function(iterable) {
- if (!iterable) return [];
- if (iterable.toArray) {
- return iterable.toArray();
- } else {
- var results = [];
- for (var i = 0; i < iterable.length; i++)
- results.push(iterable[i]);
- return results;
- }
-}
-
-Object.extend(Array.prototype, Enumerable);
-
-if (!Array.prototype._reverse)
- Array.prototype._reverse = Array.prototype.reverse;
-
-Object.extend(Array.prototype, {
- _each: function(iterator) {
- for (var i = 0; i < this.length; i++)
- iterator(this[i]);
- },
-
- clear: function() {
- this.length = 0;
- return this;
- },
-
- first: function() {
- return this[0];
- },
-
- last: function() {
- return this[this.length - 1];
- },
-
- compact: function() {
- return this.select(function(value) {
- return value != undefined || value != null;
- });
- },
-
- flatten: function() {
- return this.inject([], function(array, value) {
- return array.concat(value && value.constructor == Array ?
- value.flatten() : [value]);
- });
- },
-
- without: function() {
- var values = $A(arguments);
- return this.select(function(value) {
- return !values.include(value);
- });
- },
-
- indexOf: function(object) {
- for (var i = 0; i < this.length; i++)
- if (this[i] == object) return i;
- return -1;
- },
-
- reverse: function(inline) {
- return (inline !== false ? this : this.toArray())._reverse();
- },
-
- reduce: function() {
- return this.length > 1 ? this : this[0];
- },
-
- uniq: function() {
- return this.inject([], function(array, value) {
- return array.include(value) ? array : array.concat([value]);
- });
- },
-
- inspect: function() {
- return '[' + this.map(Object.inspect).join(', ') + ']';
- }
-});
-var Hash = {
- _each: function(iterator) {
- for (var key in this) {
- var value = this[key];
- if (typeof value == 'function') continue;
-
- var pair = [key, value];
- pair.key = key;
- pair.value = value;
- iterator(pair);
- }
- },
-
- keys: function() {
- return this.pluck('key');
- },
-
- values: function() {
- return this.pluck('value');
- },
-
- merge: function(hash) {
- return $H(hash).inject($H(this), function(mergedHash, pair) {
- mergedHash[pair.key] = pair.value;
- return mergedHash;
- });
- },
-
- toQueryString: function() {
- return this.map(function(pair) {
- return pair.map(encodeURIComponent).join('=');
- }).join('&');
- },
-
- inspect: function() {
- return '#<Hash:{' + this.map(function(pair) {
- return pair.map(Object.inspect).join(': ');
- }).join(', ') + '}>';
- }
-}
-
-function $H(object) {
- var hash = Object.extend({}, object || {});
- Object.extend(hash, Enumerable);
- Object.extend(hash, Hash);
- return hash;
-}
-ObjectRange = Class.create();
-Object.extend(ObjectRange.prototype, Enumerable);
-Object.extend(ObjectRange.prototype, {
- initialize: function(start, end, exclusive) {
- this.start = start;
- this.end = end;
- this.exclusive = exclusive;
- },
-
- _each: function(iterator) {
- var value = this.start;
- while (this.include(value)) {
- iterator(value);
- value = value.succ();
- }
- },
-
- include: function(value) {
- if (value < this.start)
- return false;
- if (this.exclusive)
- return value < this.end;
- return value <= this.end;
- }
-});
-
-var $R = function(start, end, exclusive) {
- return new ObjectRange(start, end, exclusive);
-}
-
-var Ajax = {
- getTransport: function() {
- return Try.these(
- function() {return new XMLHttpRequest()},
- function() {return new ActiveXObject('Msxml2.XMLHTTP')},
- function() {return new ActiveXObject('Microsoft.XMLHTTP')}
- ) || false;
- },
-
- activeRequestCount: 0
-}
-
-Ajax.Responders = {
- responders: [],
-
- _each: function(iterator) {
- this.responders._each(iterator);
- },
-
- register: function(responderToAdd) {
- if (!this.include(responderToAdd))
- this.responders.push(responderToAdd);
- },
-
- unregister: function(responderToRemove) {
- this.responders = this.responders.without(responderToRemove);
- },
-
- dispatch: function(callback, request, transport, json) {
- this.each(function(responder) {
- if (responder[callback] && typeof responder[callback] == 'function') {
- try {
- responder[callback].apply(responder, [request, transport, json]);
- } catch (e) {}
- }
- });
- }
-};
-
-Object.extend(Ajax.Responders, Enumerable);
-
-Ajax.Responders.register({
- onCreate: function() {
- Ajax.activeRequestCount++;
- },
-
- onComplete: function() {
- Ajax.activeRequestCount--;
- }
-});
-
-Ajax.Base = function() {};
-Ajax.Base.prototype = {
- setOptions: function(options) {
- this.options = {
- method: 'post',
- asynchronous: true,
- contentType: 'application/x-www-form-urlencoded',
- parameters: ''
- }
- Object.extend(this.options, options || {});
- },
-
- responseIsSuccess: function() {
- return this.transport.status == undefined
- || this.transport.status == 0
- || (this.transport.status >= 200 && this.transport.status < 300);
- },
-
- responseIsFailure: function() {
- return !this.responseIsSuccess();
- }
-}
-
-Ajax.Request = Class.create();
-Ajax.Request.Events =
- ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
-
-Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
- initialize: function(url, options) {
- this.transport = Ajax.getTransport();
- this.setOptions(options);
- this.request(url);
- },
-
- request: function(url) {
- var parameters = this.options.parameters || '';
- if (parameters.length > 0) parameters += '&_=';
-
- /* Simulate other verbs over post */
- if (this.options.method != 'get' && this.options.method != 'post') {
- parameters += (parameters.length > 0 ? '&' : '') + '_method=' + this.options.method;
- this.options.method = 'post';
- }
-
- try {
- this.url = url;
- if (this.options.method == 'get' && parameters.length > 0)
- this.url += (this.url.match(/\?/) ? '&' : '?') + parameters;
-
- Ajax.Responders.dispatch('onCreate', this, this.transport);
-
- this.transport.open(this.options.method, this.url,
- this.options.asynchronous);
-
- if (this.options.asynchronous)
- setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10);
-
- this.transport.onreadystatechange = this.onStateChange.bind(this);
- this.setRequestHeaders();
-
- var body = this.options.postBody ? this.options.postBody : parameters;
- this.transport.send(this.options.method == 'post' ? body : null);
-
- /* Force Firefox to handle ready state 4 for synchronous requests */
- if (!this.options.asynchronous && this.transport.overrideMimeType)
- this.onStateChange();
-
- } catch (e) {
- this.dispatchException(e);
- }
- },
-
- setRequestHeaders: function() {
- var requestHeaders =
- ['X-Requested-With', 'XMLHttpRequest',
- 'X-Prototype-Version', Prototype.Version,
- 'Accept', 'text/javascript, text/html, application/xml, text/xml, */*'];
-
- if (this.options.method == 'post') {
- requestHeaders.push('Content-type', this.options.contentType);
-
- /* Force "Connection: close" for Mozilla browsers to work around
- * a bug where XMLHttpReqeuest sends an incorrect Content-length
- * header. See Mozilla Bugzilla #246651.
- */
- if (this.transport.overrideMimeType)
- requestHeaders.push('Connection', 'close');
- }
-
- if (this.options.requestHeaders)
- requestHeaders.push.apply(requestHeaders, this.options.requestHeaders);
-
- for (var i = 0; i < requestHeaders.length; i += 2)
- this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]);
- },
-
- onStateChange: function() {
- var readyState = this.transport.readyState;
- if (readyState != 1)
- this.respondToReadyState(this.transport.readyState);
- },
-
- header: function(name) {
- try {
- return this.transport.getResponseHeader(name);
- } catch (e) {}
- },
-
- evalJSON: function() {
- try {
- return eval('(' + this.header('X-JSON') + ')');
- } catch (e) {}
- },
-
- evalResponse: function() {
- try {
- return eval(this.transport.responseText);
- } catch (e) {
- this.dispatchException(e);
- }
- },
-
- respondToReadyState: function(readyState) {
- var event = Ajax.Request.Events[readyState];
- var transport = this.transport, json = this.evalJSON();
-
- if (event == 'Complete') {
- try {
- (this.options['on' + this.transport.status]
- || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')]
- || Prototype.emptyFunction)(transport, json);
- } catch (e) {
- this.dispatchException(e);
- }
-
- if ((this.header('Content-type') || '').match(/^text\/javascript/i))
- this.evalResponse();
- }
-
- try {
- (this.options['on' + event] || Prototype.emptyFunction)(transport, json);
- Ajax.Responders.dispatch('on' + event, this, transport, json);
- } catch (e) {
- this.dispatchException(e);
- }
-
- /* Avoid memory leak in MSIE: clean up the oncomplete event handler */
- if (event == 'Complete')
- this.transport.onreadystatechange = Prototype.emptyFunction;
- },
-
- dispatchException: function(exception) {
- (this.options.onException || Prototype.emptyFunction)(this, exception);
- Ajax.Responders.dispatch('onException', this, exception);
- }
-});
-
-Ajax.Updater = Class.create();
-
-Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
- initialize: function(container, url, options) {
- this.containers = {
- success: container.success ? $(container.success) : $(container),
- failure: container.failure ? $(container.failure) :
- (container.success ? null : $(container))
- }
-
- this.transport = Ajax.getTransport();
- this.setOptions(options);
-
- var onComplete = this.options.onComplete || Prototype.emptyFunction;
- this.options.onComplete = (function(transport, object) {
- this.updateContent();
- onComplete(transport, object);
- }).bind(this);
-
- this.request(url);
- },
-
- updateContent: function() {
- var receiver = this.responseIsSuccess() ?
- this.containers.success : this.containers.failure;
- var response = this.transport.responseText;
-
- if (!this.options.evalScripts)
- response = response.stripScripts();
-
- if (receiver) {
- if (this.options.insertion) {
- new this.options.insertion(receiver, response);
- } else {
- Element.update(receiver, response);
- }
- }
-
- if (this.responseIsSuccess()) {
- if (this.onComplete)
- setTimeout(this.onComplete.bind(this), 10);
- }
- }
-});
-
-Ajax.PeriodicalUpdater = Class.create();
-Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
- initialize: function(container, url, options) {
- this.setOptions(options);
- this.onComplete = this.options.onComplete;
-
- this.frequency = (this.options.frequency || 2);
- this.decay = (this.options.decay || 1);
-
- this.updater = {};
- this.container = container;
- this.url = url;
-
- this.start();
- },
-
- start: function() {
- this.options.onComplete = this.updateComplete.bind(this);
- this.onTimerEvent();
- },
-
- stop: function() {
- this.updater.options.onComplete = undefined;
- clearTimeout(this.timer);
- (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
- },
-
- updateComplete: function(request) {
- if (this.options.decay) {
- this.decay = (request.responseText == this.lastText ?
- this.decay * this.options.decay : 1);
-
- this.lastText = request.responseText;
- }
- this.timer = setTimeout(this.onTimerEvent.bind(this),
- this.decay * this.frequency * 1000);
- },
-
- onTimerEvent: function() {
- this.updater = new Ajax.Updater(this.container, this.url, this.options);
- }
-});
-function $() {
- var results = [], element;
- for (var i = 0; i < arguments.length; i++) {
- element = arguments[i];
- if (typeof element == 'string')
- element = document.getElementById(element);
- results.push(Element.extend(element));
- }
- return results.reduce();
-}
-
-document.getElementsByClassName = function(className, parentElement) {
- var children = ($(parentElement) || document.body).getElementsByTagName('*');
- return $A(children).inject([], function(elements, child) {
- if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
- elements.push(Element.extend(child));
- return elements;
- });
-}
-
-/*--------------------------------------------------------------------------*/
-
-if (!window.Element)
- var Element = new Object();
-
-Element.extend = function(element) {
- if (!element) return;
- if (_nativeExtensions || element.nodeType == 3) return element;
-
- if (!element._extended && element.tagName && element != window) {
- var methods = Object.clone(Element.Methods), cache = Element.extend.cache;
-
- if (element.tagName == 'FORM')
- Object.extend(methods, Form.Methods);
- if (['INPUT', 'TEXTAREA', 'SELECT'].include(element.tagName))
- Object.extend(methods, Form.Element.Methods);
-
- for (var property in methods) {
- var value = methods[property];
- if (typeof value == 'function')
- element[property] = cache.findOrStore(value);
- }
- }
-
- element._extended = true;
- return element;
-}
-
-Element.extend.cache = {
- findOrStore: function(value) {
- return this[value] = this[value] || function() {
- return value.apply(null, [this].concat($A(arguments)));
- }
- }
-}
-
-Element.Methods = {
- visible: function(element) {
- return $(element).style.display != 'none';
- },
-
- toggle: function(element) {
- element = $(element);
- Element[Element.visible(element) ? 'hide' : 'show'](element);
- return element;
- },
-
- hide: function(element) {
- $(element).style.display = 'none';
- return element;
- },
-
- show: function(element) {
- $(element).style.display = '';
- return element;
- },
-
- remove: function(element) {
- element = $(element);
- element.parentNode.removeChild(element);
- return element;
- },
-
- update: function(element, html) {
- $(element).innerHTML = html.stripScripts();
- setTimeout(function() {html.evalScripts()}, 10);
- return element;
- },
-
- replace: function(element, html) {
- element = $(element);
- if (element.outerHTML) {
- element.outerHTML = html.stripScripts();
- } else {
- var range = element.ownerDocument.createRange();
- range.selectNodeContents(element);
- element.parentNode.replaceChild(
- range.createContextualFragment(html.stripScripts()), element);
- }
- setTimeout(function() {html.evalScripts()}, 10);
- return element;
- },
-
- inspect: function(element) {
- element = $(element);
- var result = '<' + element.tagName.toLowerCase();
- $H({'id': 'id', 'className': 'class'}).each(function(pair) {
- var property = pair.first(), attribute = pair.last();
- var value = (element[property] || '').toString();
- if (value) result += ' ' + attribute + '=' + value.inspect(true);
- });
- return result + '>';
- },
-
- recursivelyCollect: function(element, property) {
- element = $(element);
- var elements = [];
- while (element = element[property])
- if (element.nodeType == 1)
- elements.push(Element.extend(element));
- return elements;
- },
-
- ancestors: function(element) {
- return $(element).recursivelyCollect('parentNode');
- },
-
- descendants: function(element) {
- element = $(element);
- return $A(element.getElementsByTagName('*'));
- },
-
- previousSiblings: function(element) {
- return $(element).recursivelyCollect('previousSibling');
- },
-
- nextSiblings: function(element) {
- return $(element).recursivelyCollect('nextSibling');
- },
-
- siblings: function(element) {
- element = $(element);
- return element.previousSiblings().reverse().concat(element.nextSiblings());
- },
-
- match: function(element, selector) {
- element = $(element);
- if (typeof selector == 'string')
- selector = new Selector(selector);
- return selector.match(element);
- },
-
- up: function(element, expression, index) {
- return Selector.findElement($(element).ancestors(), expression, index);
- },
-
- down: function(element, expression, index) {
- return Selector.findElement($(element).descendants(), expression, index);
- },
-
- previous: function(element, expression, index) {
- return Selector.findElement($(element).previousSiblings(), expression, index);
- },
-
- next: function(element, expression, index) {
- return Selector.findElement($(element).nextSiblings(), expression, index);
- },
-
- getElementsBySelector: function() {
- var args = $A(arguments), element = $(args.shift());
- return Selector.findChildElements(element, args);
- },
-
- getElementsByClassName: function(element, className) {
- element = $(element);
- return document.getElementsByClassName(className, element);
- },
-
- getHeight: function(element) {
- element = $(element);
- return element.offsetHeight;
- },
-
- classNames: function(element) {
- return new Element.ClassNames(element);
- },
-
- hasClassName: function(element, className) {
- if (!(element = $(element))) return;
- return Element.classNames(element).include(className);
- },
-
- addClassName: function(element, className) {
- if (!(element = $(element))) return;
- Element.classNames(element).add(className);
- return element;
- },
-
- removeClassName: function(element, className) {
- if (!(element = $(element))) return;
- Element.classNames(element).remove(className);
- return element;
- },
-
- observe: function() {
- Event.observe.apply(Event, arguments);
- return $A(arguments).first();
- },
-
- stopObserving: function() {
- Event.stopObserving.apply(Event, arguments);
- return $A(arguments).first();
- },
-
- // removes whitespace-only text node children
- cleanWhitespace: function(element) {
- element = $(element);
- var node = element.firstChild;
- while (node) {
- var nextNode = node.nextSibling;
- if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
- element.removeChild(node);
- node = nextNode;
- }
- return element;
- },
-
- empty: function(element) {
- return $(element).innerHTML.match(/^\s*$/);
- },
-
- childOf: function(element, ancestor) {
- element = $(element), ancestor = $(ancestor);
- while (element = element.parentNode)
- if (element == ancestor) return true;
- return false;
- },
-
- scrollTo: function(element) {
- element = $(element);
- var x = element.x ? element.x : element.offsetLeft,
- y = element.y ? element.y : element.offsetTop;
- window.scrollTo(x, y);
- return element;
- },
-
- getStyle: function(element, style) {
- element = $(element);
- var value = element.style[style.camelize()];
- if (!value) {
- if (document.defaultView && document.defaultView.getComputedStyle) {
- var css = document.defaultView.getComputedStyle(element, null);
- value = css ? css.getPropertyValue(style) : null;
- } else if (element.currentStyle) {
- value = element.currentStyle[style.camelize()];
- }
- }
-
- if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))
- if (Element.getStyle(element, 'position') == 'static') value = 'auto';
-
- return value == 'auto' ? null : value;
- },
-
- setStyle: function(element, style) {
- element = $(element);
- for (var name in style)
- element.style[name.camelize()] = style[name];
- return element;
- },
-
- getDimensions: function(element) {
- element = $(element);
- if (Element.getStyle(element, 'display') != 'none')
- return {width: element.offsetWidth, height: element.offsetHeight};
-
- // All *Width and *Height properties give 0 on elements with display none,
- // so enable the element temporarily
- var els = element.style;
- var originalVisibility = els.visibility;
- var originalPosition = els.position;
- els.visibility = 'hidden';
- els.position = 'absolute';
- els.display = '';
- var originalWidth = element.clientWidth;
- var originalHeight = element.clientHeight;
- els.display = 'none';
- els.position = originalPosition;
- els.visibility = originalVisibility;
- return {width: originalWidth, height: originalHeight};
- },
-
- makePositioned: function(element) {
- element = $(element);
- var pos = Element.getStyle(element, 'position');
- if (pos == 'static' || !pos) {
- element._madePositioned = true;
- element.style.position = 'relative';
- // Opera returns the offset relative to the positioning context, when an
- // element is position relative but top and left have not been defined
- if (window.opera) {
- element.style.top = 0;
- element.style.left = 0;
- }
- }
- return element;
- },
-
- undoPositioned: function(element) {
- element = $(element);
- if (element._madePositioned) {
- element._madePositioned = undefined;
- element.style.position =
- element.style.top =
- element.style.left =
- element.style.bottom =
- element.style.right = '';
- }
- return element;
- },
-
- makeClipping: function(element) {
- element = $(element);
- if (element._overflow) return;
- element._overflow = element.style.overflow || 'auto';
- if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
- element.style.overflow = 'hidden';
- return element;
- },
-
- undoClipping: function(element) {
- element = $(element);
- if (!element._overflow) return;
- element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
- element._overflow = null;
- return element;
- }
-}
-
-// IE is missing .innerHTML support for TABLE-related elements
-if(document.all){
- Element.Methods.update = function(element, html) {
- element = $(element);
- var tagName = element.tagName.toUpperCase();
- if (['THEAD','TBODY','TR','TD'].indexOf(tagName) > -1) {
- var div = document.createElement('div');
- switch (tagName) {
- case 'THEAD':
- case 'TBODY':
- div.innerHTML = '<table><tbody>' + html.stripScripts() + '</tbody></table>';
- depth = 2;
- break;
- case 'TR':
- div.innerHTML = '<table><tbody><tr>' + html.stripScripts() + '</tr></tbody></table>';
- depth = 3;
- break;
- case 'TD':
- div.innerHTML = '<table><tbody><tr><td>' + html.stripScripts() + '</td></tr></tbody></table>';
- depth = 4;
- }
- $A(element.childNodes).each(function(node){
- element.removeChild(node)
- });
- depth.times(function(){ div = div.firstChild });
-
- $A(div.childNodes).each(
- function(node){ element.appendChild(node) });
- } else {
- element.innerHTML = html.stripScripts();
- }
- setTimeout(function() {html.evalScripts()}, 10);
- return element;
- }
-}
-
-Object.extend(Element, Element.Methods);
-
-var _nativeExtensions = false;
-
-if (!window.HTMLElement && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
- /* Emulate HTMLElement, HTMLFormElement, HTMLInputElement, HTMLTextAreaElement,
- and HTMLSelectElement in Safari */
- ['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) {
- var klass = window['HTML' + tag + 'Element'] = {};
- klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__;
- });
-}
-
-Element.addMethods = function(methods) {
- Object.extend(Element.Methods, methods || {});
-
- function copy(methods, destination) {
- var cache = Element.extend.cache;
- for (var property in methods) {
- var value = methods[property];
- destination[property] = cache.findOrStore(value);
- }
- }
-
- if (typeof HTMLElement != 'undefined') {
- copy(Element.Methods, HTMLElement.prototype);
- copy(Form.Methods, HTMLFormElement.prototype);
- [HTMLInputElement, HTMLTextAreaElement, HTMLSelectElement].each(function(klass) {
- copy(Form.Element.Methods, klass.prototype);
- });
- _nativeExtensions = true;
- }
-}
-
-var Toggle = new Object();
-Toggle.display = Element.toggle;
-
-/*--------------------------------------------------------------------------*/
-
-Abstract.Insertion = function(adjacency) {
- this.adjacency = adjacency;
-}
-
-Abstract.Insertion.prototype = {
- initialize: function(element, content) {
- this.element = $(element);
- this.content = content.stripScripts();
-
- if (this.adjacency && this.element.insertAdjacentHTML) {
- try {
- this.element.insertAdjacentHTML(this.adjacency, this.content);
- } catch (e) {
- var tagName = this.element.tagName.toLowerCase();
- if (tagName == 'tbody' || tagName == 'tr') {
- this.insertContent(this.contentFromAnonymousTable());
- } else {
- throw e;
- }
- }
- } else {
- this.range = this.element.ownerDocument.createRange();
- if (this.initializeRange) this.initializeRange();
- this.insertContent([this.range.createContextualFragment(this.content)]);
- }
-
- setTimeout(function() {content.evalScripts()}, 10);
- },
-
- contentFromAnonymousTable: function() {
- var div = document.createElement('div');
- div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
- return $A(div.childNodes[0].childNodes[0].childNodes);
- }
-}
-
-var Insertion = new Object();
-
-Insertion.Before = Class.create();
-Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
- initializeRange: function() {
- this.range.setStartBefore(this.element);
- },
-
- insertContent: function(fragments) {
- fragments.each((function(fragment) {
- this.element.parentNode.insertBefore(fragment, this.element);
- }).bind(this));
- }
-});
-
-Insertion.Top = Class.create();
-Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
- initializeRange: function() {
- this.range.selectNodeContents(this.element);
- this.range.collapse(true);
- },
-
- insertContent: function(fragments) {
- fragments.reverse(false).each((function(fragment) {
- this.element.insertBefore(fragment, this.element.firstChild);
- }).bind(this));
- }
-});
-
-Insertion.Bottom = Class.create();
-Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
- initializeRange: function() {
- this.range.selectNodeContents(this.element);
- this.range.collapse(this.element);
- },
-
- insertContent: function(fragments) {
- fragments.each((function(fragment) {
- this.element.appendChild(fragment);
- }).bind(this));
- }
-});
-
-Insertion.After = Class.create();
-Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
- initializeRange: function() {
- this.range.setStartAfter(this.element);
- },
-
- insertContent: function(fragments) {
- fragments.each((function(fragment) {
- this.element.parentNode.insertBefore(fragment,
- this.element.nextSibling);
- }).bind(this));
- }
-});
-
-/*--------------------------------------------------------------------------*/
-
-Element.ClassNames = Class.create();
-Element.ClassNames.prototype = {
- initialize: function(element) {
- this.element = $(element);
- },
-
- _each: function(iterator) {
- this.element.className.split(/\s+/).select(function(name) {
- return name.length > 0;
- })._each(iterator);
- },
-
- set: function(className) {
- this.element.className = className;
- },
-
- add: function(classNameToAdd) {
- if (this.include(classNameToAdd)) return;
- this.set(this.toArray().concat(classNameToAdd).join(' '));
- },
-
- remove: function(classNameToRemove) {
- if (!this.include(classNameToRemove)) return;
- this.set(this.select(function(className) {
- return className != classNameToRemove;
- }).join(' '));
- },
-
- toString: function() {
- return this.toArray().join(' ');
- }
-}
-
-Object.extend(Element.ClassNames.prototype, Enumerable);
-var Selector = Class.create();
-Selector.prototype = {
- initialize: function(expression) {
- this.params = {classNames: []};
- this.expression = expression.toString().strip();
- this.parseExpression();
- this.compileMatcher();
- },
-
- parseExpression: function() {
- function abort(message) { throw 'Parse error in selector: ' + message; }
-
- if (this.expression == '') abort('empty expression');
-
- var params = this.params, expr = this.expression, match, modifier, clause, rest;
- while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) {
- params.attributes = params.attributes || [];
- params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''});
- expr = match[1];
- }
-
- if (expr == '*') return this.params.wildcard = true;
-
- while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) {
- modifier = match[1], clause = match[2], rest = match[3];
- switch (modifier) {
- case '#': params.id = clause; break;
- case '.': params.classNames.push(clause); break;
- case '':
- case undefined: params.tagName = clause.toUpperCase(); break;
- default: abort(expr.inspect());
- }
- expr = rest;
- }
-
- if (expr.length > 0) abort(expr.inspect());
- },
-
- buildMatchExpression: function() {
- var params = this.params, conditions = [], clause;
-
- if (params.wildcard)
- conditions.push('true');
- if (clause = params.id)
- conditions.push('element.id == ' + clause.inspect());
- if (clause = params.tagName)
- conditions.push('element.tagName.toUpperCase() == ' + clause.inspect());
- if ((clause = params.classNames).length > 0)
- for (var i = 0; i < clause.length; i++)
- conditions.push('Element.hasClassName(element, ' + clause[i].inspect() + ')');
- if (clause = params.attributes) {
- clause.each(function(attribute) {
- var value = 'element.getAttribute(' + attribute.name.inspect() + ')';
- var splitValueBy = function(delimiter) {
- return value + ' && ' + value + '.split(' + delimiter.inspect() + ')';
- }
-
- switch (attribute.operator) {
- case '=': conditions.push(value + ' == ' + attribute.value.inspect()); break;
- case '~=': conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + ')'); break;
- case '|=': conditions.push(
- splitValueBy('-') + '.first().toUpperCase() == ' + attribute.value.toUpperCase().inspect()
- ); break;
- case '!=': conditions.push(value + ' != ' + attribute.value.inspect()); break;
- case '':
- case undefined: conditions.push(value + ' != null'); break;
- default: throw 'Unknown operator ' + attribute.operator + ' in selector';
- }
- });
- }
-
- return conditions.join(' && ');
- },
-
- compileMatcher: function() {
- this.match = new Function('element', 'if (!element.tagName) return false; \
- return ' + this.buildMatchExpression());
- },
-
- findElements: function(scope) {
- var element;
-
- if (element = $(this.params.id))
- if (this.match(element))
- if (!scope || Element.childOf(element, scope))
- return [element];
-
- scope = (scope || document).getElementsByTagName(this.params.tagName || '*');
-
- var results = [];
- for (var i = 0; i < scope.length; i++)
- if (this.match(element = scope[i]))
- results.push(Element.extend(element));
-
- return results;
- },
-
- toString: function() {
- return this.expression;
- }
-}
-
-Object.extend(Selector, {
- matchElements: function(elements, expression) {
- var selector = new Selector(expression);
- return elements.select(selector.match.bind(selector));
- },
-
- findElement: function(elements, expression, index) {
- if (typeof expression == 'number') index = expression, expression = false;
- return Selector.matchElements(elements, expression || '*')[index || 0];
- },
-
- findChildElements: function(element, expressions) {
- return expressions.map(function(expression) {
- return expression.strip().split(/\s+/).inject([null], function(results, expr) {
- var selector = new Selector(expr);
- return results.inject([], function(elements, result) {
- return elements.concat(selector.findElements(result || element));
- });
- });
- }).flatten();
- }
-});
-
-function $$() {
- return Selector.findChildElements(document, $A(arguments));
-}
-var Form = {
- reset: function(form) {
- $(form).reset();
- return form;
- }
-};
-
-Form.Methods = {
- serialize: function(form) {
- var elements = Form.getElements($(form));
- var queryComponents = new Array();
-
- for (var i = 0; i < elements.length; i++) {
- var queryComponent = Form.Element.serialize(elements[i]);
- if (queryComponent)
- queryComponents.push(queryComponent);
- }
-
- return queryComponents.join('&');
- },
-
- getElements: function(form) {
- form = $(form);
- var elements = new Array();
-
- for (var tagName in Form.Element.Serializers) {
- var tagElements = form.getElementsByTagName(tagName);
- for (var j = 0; j < tagElements.length; j++)
- elements.push(tagElements[j]);
- }
- return elements;
- },
-
- getInputs: function(form, typeName, name) {
- form = $(form);
- var inputs = form.getElementsByTagName('input');
-
- if (!typeName && !name)
- return inputs;
-
- var matchingInputs = new Array();
- for (var i = 0; i < inputs.length; i++) {
- var input = inputs[i];
- if ((typeName && input.type != typeName) ||
- (name && input.name != name))
- continue;
- matchingInputs.push(input);
- }
-
- return matchingInputs;
- },
-
- disable: function(form) {
- form = $(form);
- var elements = Form.getElements(form);
- for (var i = 0; i < elements.length; i++) {
- var element = elements[i];
- element.blur();
- element.disabled = 'true';
- }
- return form;
- },
-
- enable: function(form) {
- form = $(form);
- var elements = Form.getElements(form);
- for (var i = 0; i < elements.length; i++) {
- var element = elements[i];
- element.disabled = '';
- }
- return form;
- },
-
- findFirstElement: function(form) {
- return Form.getElements(form).find(function(element) {
- return element.type != 'hidden' && !element.disabled &&
- ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
- });
- },
-
- focusFirstElement: function(form) {
- form = $(form);
- Field.activate(Form.findFirstElement(form));
- return form;
- }
-}
-
-Object.extend(Form, Form.Methods);
-
-/*--------------------------------------------------------------------------*/
-
-Form.Element = {
- focus: function(element) {
- $(element).focus();
- return element;
- },
-
- select: function(element) {
- $(element).select();
- return element;
- }
-}
-
-Form.Element.Methods = {
- serialize: function(element) {
- element = $(element);
- var method = element.tagName.toLowerCase();
- var parameter = Form.Element.Serializers[method](element);
-
- if (parameter) {
- var key = encodeURIComponent(parameter[0]);
- if (key.length == 0) return;
-
- if (parameter[1].constructor != Array)
- parameter[1] = [parameter[1]];
-
- return parameter[1].map(function(value) {
- return key + '=' + encodeURIComponent(value);
- }).join('&');
- }
- },
-
- getValue: function(element) {
- element = $(element);
- var method = element.tagName.toLowerCase();
- var parameter = Form.Element.Serializers[method](element);
-
- if (parameter)
- return parameter[1];
- },
-
- clear: function(element) {
- $(element).value = '';
- return element;
- },
-
- present: function(element) {
- return $(element).value != '';
- },
-
- activate: function(element) {
- element = $(element);
- element.focus();
- if (element.select)
- element.select();
- return element;
- },
-
- disable: function(element) {
- element = $(element);
- element.disabled = '';
- return element;
- },
-
- enable: function(element) {
- element = $(element);
- element.blur();
- element.disabled = 'true';
- return element;
- }
-}
-
-Object.extend(Form.Element, Form.Element.Methods);
-var Field = Form.Element;
-
-/*--------------------------------------------------------------------------*/
-
-Form.Element.Serializers = {
- input: function(element) {
- switch (element.type.toLowerCase()) {
- case 'checkbox':
- case 'radio':
- return Form.Element.Serializers.inputSelector(element);
- default:
- return Form.Element.Serializers.textarea(element);
- }
- return false;
- },
-
- inputSelector: function(element) {
- if (element.checked)
- return [element.name, element.value];
- },
-
- textarea: function(element) {
- return [element.name, element.value];
- },
-
- select: function(element) {
- return Form.Element.Serializers[element.type == 'select-one' ?
- 'selectOne' : 'selectMany'](element);
- },
-
- selectOne: function(element) {
- var value = '', opt, index = element.selectedIndex;
- if (index >= 0) {
- opt = element.options[index];
- value = opt.value || opt.text;
- }
- return [element.name, value];
- },
-
- selectMany: function(element) {
- var value = [];
- for (var i = 0; i < element.length; i++) {
- var opt = element.options[i];
- if (opt.selected)
- value.push(opt.value || opt.text);
- }
- return [element.name, value];
- }
-}
-
-/*--------------------------------------------------------------------------*/
-
-var $F = Form.Element.getValue;
-
-/*--------------------------------------------------------------------------*/
-
-Abstract.TimedObserver = function() {}
-Abstract.TimedObserver.prototype = {
- initialize: function(element, frequency, callback) {
- this.frequency = frequency;
- this.element = $(element);
- this.callback = callback;
-
- this.lastValue = this.getValue();
- this.registerCallback();
- },
-
- registerCallback: function() {
- setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
- },
-
- onTimerEvent: function() {
- var value = this.getValue();
- if (this.lastValue != value) {
- this.callback(this.element, value);
- this.lastValue = value;
- }
- }
-}
-
-Form.Element.Observer = Class.create();
-Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
- getValue: function() {
- return Form.Element.getValue(this.element);
- }
-});
-
-Form.Observer = Class.create();
-Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
- getValue: function() {
- return Form.serialize(this.element);
- }
-});
-
-/*--------------------------------------------------------------------------*/
-
-Abstract.EventObserver = function() {}
-Abstract.EventObserver.prototype = {
- initialize: function(element, callback) {
- this.element = $(element);
- this.callback = callback;
-
- this.lastValue = this.getValue();
- if (this.element.tagName.toLowerCase() == 'form')
- this.registerFormCallbacks();
- else
- this.registerCallback(this.element);
- },
-
- onElementEvent: function() {
- var value = this.getValue();
- if (this.lastValue != value) {
- this.callback(this.element, value);
- this.lastValue = value;
- }
- },
-
- registerFormCallbacks: function() {
- var elements = Form.getElements(this.element);
- for (var i = 0; i < elements.length; i++)
- this.registerCallback(elements[i]);
- },
-
- registerCallback: function(element) {
- if (element.type) {
- switch (element.type.toLowerCase()) {
- case 'checkbox':
- case 'radio':
- Event.observe(element, 'click', this.onElementEvent.bind(this));
- break;
- default:
- Event.observe(element, 'change', this.onElementEvent.bind(this));
- break;
- }
- }
- }
-}
-
-Form.Element.EventObserver = Class.create();
-Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
- getValue: function() {
- return Form.Element.getValue(this.element);
- }
-});
-
-Form.EventObserver = Class.create();
-Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
- getValue: function() {
- return Form.serialize(this.element);
- }
-});
-if (!window.Event) {
- var Event = new Object();
-}
-
-Object.extend(Event, {
- KEY_BACKSPACE: 8,
- KEY_TAB: 9,
- KEY_RETURN: 13,
- KEY_ESC: 27,
- KEY_LEFT: 37,
- KEY_UP: 38,
- KEY_RIGHT: 39,
- KEY_DOWN: 40,
- KEY_DELETE: 46,
- KEY_HOME: 36,
- KEY_END: 35,
- KEY_PAGEUP: 33,
- KEY_PAGEDOWN: 34,
-
- element: function(event) {
- return event.target || event.srcElement;
- },
-
- isLeftClick: function(event) {
- return (((event.which) && (event.which == 1)) ||
- ((event.button) && (event.button == 1)));
- },
-
- pointerX: function(event) {
- return event.pageX || (event.clientX +
- (document.documentElement.scrollLeft || document.body.scrollLeft));
- },
-
- pointerY: function(event) {
- return event.pageY || (event.clientY +
- (document.documentElement.scrollTop || document.body.scrollTop));
- },
-
- stop: function(event) {
- if (event.preventDefault) {
- event.preventDefault();
- event.stopPropagation();
- } else {
- event.returnValue = false;
- event.cancelBubble = true;
- }
- },
-
- // find the first node with the given tagName, starting from the
- // node the event was triggered on; traverses the DOM upwards
- findElement: function(event, tagName) {
- var element = Event.element(event);
- while (element.parentNode && (!element.tagName ||
- (element.tagName.toUpperCase() != tagName.toUpperCase())))
- element = element.parentNode;
- return element;
- },
-
- observers: false,
-
- _observeAndCache: function(element, name, observer, useCapture) {
- if (!this.observers) this.observers = [];
- if (element.addEventListener) {
- this.observers.push([element, name, observer, useCapture]);
- element.addEventListener(name, observer, useCapture);
- } else if (element.attachEvent) {
- this.observers.push([element, name, observer, useCapture]);
- element.attachEvent('on' + name, observer);
- }
- },
-
- unloadCache: function() {
- if (!Event.observers) return;
- for (var i = 0; i < Event.observers.length; i++) {
- Event.stopObserving.apply(this, Event.observers[i]);
- Event.observers[i][0] = null;
- }
- Event.observers = false;
- },
-
- observe: function(element, name, observer, useCapture) {
- element = $(element);
- useCapture = useCapture || false;
-
- if (name == 'keypress' &&
- (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
- || element.attachEvent))
- name = 'keydown';
-
- Event._observeAndCache(element, name, observer, useCapture);
- },
-
- stopObserving: function(element, name, observer, useCapture) {
- element = $(element);
- useCapture = useCapture || false;
-
- if (name == 'keypress' &&
- (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
- || element.detachEvent))
- name = 'keydown';
-
- if (element.removeEventListener) {
- element.removeEventListener(name, observer, useCapture);
- } else if (element.detachEvent) {
- try {
- element.detachEvent('on' + name, observer);
- } catch (e) {}
- }
- }
-});
-
-/* prevent memory leaks in IE */
-if (navigator.appVersion.match(/\bMSIE\b/))
- Event.observe(window, 'unload', Event.unloadCache, false);
-var Position = {
- // set to true if needed, warning: firefox performance problems
- // NOT neeeded for page scrolling, only if draggable contained in
- // scrollable elements
- includeScrollOffsets: false,
-
- // must be called before calling withinIncludingScrolloffset, every time the
- // page is scrolled
- prepare: function() {
- this.deltaX = window.pageXOffset
- || document.documentElement.scrollLeft
- || document.body.scrollLeft
- || 0;
- this.deltaY = window.pageYOffset
- || document.documentElement.scrollTop
- || document.body.scrollTop
- || 0;
- },
-
- realOffset: function(element) {
- var valueT = 0, valueL = 0;
- do {
- valueT += element.scrollTop || 0;
- valueL += element.scrollLeft || 0;
- element = element.parentNode;
- } while (element);
- return [valueL, valueT];
- },
-
- cumulativeOffset: function(element) {
- var valueT = 0, valueL = 0;
- do {
- valueT += element.offsetTop || 0;
- valueL += element.offsetLeft || 0;
- element = element.offsetParent;
- } while (element);
- return [valueL, valueT];
- },
-
- positionedOffset: function(element) {
- var valueT = 0, valueL = 0;
- do {
- valueT += element.offsetTop || 0;
- valueL += element.offsetLeft || 0;
- element = element.offsetParent;
- if (element) {
- p = Element.getStyle(element, 'position');
- if (p == 'relative' || p == 'absolute') break;
- }
- } while (element);
- return [valueL, valueT];
- },
-
- offsetParent: function(element) {
- if (element.offsetParent) return element.offsetParent;
- if (element == document.body) return element;
-
- while ((element = element.parentNode) && element != document.body)
- if (Element.getStyle(element, 'position') != 'static')
- return element;
-
- return document.body;
- },
-
- // caches x/y coordinate pair to use with overlap
- within: function(element, x, y) {
- if (this.includeScrollOffsets)
- return this.withinIncludingScrolloffsets(element, x, y);
- this.xcomp = x;
- this.ycomp = y;
- this.offset = this.cumulativeOffset(element);
-
- return (y >= this.offset[1] &&
- y < this.offset[1] + element.offsetHeight &&
- x >= this.offset[0] &&
- x < this.offset[0] + element.offsetWidth);
- },
-
- withinIncludingScrolloffsets: function(element, x, y) {
- var offsetcache = this.realOffset(element);
-
- this.xcomp = x + offsetcache[0] - this.deltaX;
- this.ycomp = y + offsetcache[1] - this.deltaY;
- this.offset = this.cumulativeOffset(element);
-
- return (this.ycomp >= this.offset[1] &&
- this.ycomp < this.offset[1] + element.offsetHeight &&
- this.xcomp >= this.offset[0] &&
- this.xcomp < this.offset[0] + element.offsetWidth);
- },
-
- // within must be called directly before
- overlap: function(mode, element) {
- if (!mode) return 0;
- if (mode == 'vertical')
- return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
- element.offsetHeight;
- if (mode == 'horizontal')
- return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
- element.offsetWidth;
- },
-
- page: function(forElement) {
- var valueT = 0, valueL = 0;
-
- var element = forElement;
- do {
- valueT += element.offsetTop || 0;
- valueL += element.offsetLeft || 0;
-
- // Safari fix
- if (element.offsetParent==document.body)
- if (Element.getStyle(element,'position')=='absolute') break;
-
- } while (element = element.offsetParent);
-
- element = forElement;
- do {
- if (!window.opera || element.tagName=='BODY') {
- valueT -= element.scrollTop || 0;
- valueL -= element.scrollLeft || 0;
- }
- } while (element = element.parentNode);
-
- return [valueL, valueT];
- },
-
- clone: function(source, target) {
- var options = Object.extend({
- setLeft: true,
- setTop: true,
- setWidth: true,
- setHeight: true,
- offsetTop: 0,
- offsetLeft: 0
- }, arguments[2] || {})
-
- // find page position of source
- source = $(source);
- var p = Position.page(source);
-
- // find coordinate system to use
- target = $(target);
- var delta = [0, 0];
- var parent = null;
- // delta [0,0] will do fine with position: fixed elements,
- // position:absolute needs offsetParent deltas
- if (Element.getStyle(target,'position') == 'absolute') {
- parent = Position.offsetParent(target);
- delta = Position.page(parent);
- }
-
- // correct by body offsets (fixes Safari)
- if (parent == document.body) {
- delta[0] -= document.body.offsetLeft;
- delta[1] -= document.body.offsetTop;
- }
-
- // set position
- if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
- if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';
- if(options.setWidth) target.style.width = source.offsetWidth + 'px';
- if(options.setHeight) target.style.height = source.offsetHeight + 'px';
- },
-
- absolutize: function(element) {
- element = $(element);
- if (element.style.position == 'absolute') return;
- Position.prepare();
-
- var offsets = Position.positionedOffset(element);
- var top = offsets[1];
- var left = offsets[0];
- var width = element.clientWidth;
- var height = element.clientHeight;
-
- element._originalLeft = left - parseFloat(element.style.left || 0);
- element._originalTop = top - parseFloat(element.style.top || 0);
- element._originalWidth = element.style.width;
- element._originalHeight = element.style.height;
-
- element.style.position = 'absolute';
- element.style.top = top + 'px';;
- element.style.left = left + 'px';;
- element.style.width = width + 'px';;
- element.style.height = height + 'px';;
- },
-
- relativize: function(element) {
- element = $(element);
- if (element.style.position == 'relative') return;
- Position.prepare();
-
- element.style.position = 'relative';
- var top = parseFloat(element.style.top || 0) - (element._originalTop || 0);
- var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
-
- element.style.top = top + 'px';
- element.style.left = left + 'px';
- element.style.height = element._originalHeight;
- element.style.width = element._originalWidth;
- }
-}
-
-// Safari returns margins on body which is incorrect if the child is absolutely
-// positioned. For performance reasons, redefine Position.cumulativeOffset for
-// KHTML/WebKit only.
-if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
- Position.cumulativeOffset = function(element) {
- var valueT = 0, valueL = 0;
- do {
- valueT += element.offsetTop || 0;
- valueL += element.offsetLeft || 0;
- if (element.offsetParent == document.body)
- if (Element.getStyle(element, 'position') == 'absolute') break;
-
- element = element.offsetParent;
- } while (element);
-
- return [valueL, valueT];
- }
-}
-
+/* Prototype JavaScript framework, version 1.5.0_rc1\r
+ * (c) 2005 Sam Stephenson <sam@conio.net>\r
+ *\r
+ * Prototype is freely distributable under the terms of an MIT-style license.\r
+ * For details, see the Prototype web site: http://prototype.conio.net/\r
+ *\r
+/*--------------------------------------------------------------------------*/\r
+\r
+var Prototype = {\r
+ Version: '1.5.0_rc1',\r
+ ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',\r
+\r
+ emptyFunction: function() {},\r
+ K: function(x) {return x}\r
+}\r
+\r
+var Class = {\r
+ create: function() {\r
+ return function() {\r
+ this.initialize.apply(this, arguments);\r
+ }\r
+ }\r
+}\r
+\r
+var Abstract = new Object();\r
+\r
+Object.extend = function(destination, source) {\r
+ for (var property in source) {\r
+ destination[property] = source[property];\r
+ }\r
+ return destination;\r
+}\r
+\r
+Object.extend(Object, {\r
+ inspect: function(object) {\r
+ try {\r
+ if (object == undefined) return 'undefined';\r
+ if (object == null) return 'null';\r
+ return object.inspect ? object.inspect() : object.toString();\r
+ } catch (e) {\r
+ if (e instanceof RangeError) return '...';\r
+ throw e;\r
+ }\r
+ },\r
+\r
+ keys: function(object) {\r
+ var keys = [];\r
+ for (var property in object)\r
+ keys.push(property);\r
+ return keys;\r
+ },\r
+\r
+ values: function(object) {\r
+ var values = [];\r
+ for (var property in object)\r
+ values.push(object[property]);\r
+ return values;\r
+ },\r
+\r
+ clone: function(object) {\r
+ return Object.extend({}, object);\r
+ }\r
+});\r
+\r
+Function.prototype.bind = function() {\r
+ var __method = this, args = $A(arguments), object = args.shift();\r
+ return function() {\r
+ return __method.apply(object, args.concat($A(arguments)));\r
+ }\r
+}\r
+\r
+Function.prototype.bindAsEventListener = function(object) {\r
+ var __method = this, args = $A(arguments), object = args.shift();\r
+ return function(event) {\r
+ return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments)));\r
+ }\r
+}\r
+\r
+Object.extend(Number.prototype, {\r
+ toColorPart: function() {\r
+ var digits = this.toString(16);\r
+ if (this < 16) return '0' + digits;\r
+ return digits;\r
+ },\r
+\r
+ succ: function() {\r
+ return this + 1;\r
+ },\r
+\r
+ times: function(iterator) {\r
+ $R(0, this, true).each(iterator);\r
+ return this;\r
+ }\r
+});\r
+\r
+var Try = {\r
+ these: function() {\r
+ var returnValue;\r
+\r
+ for (var i = 0; i < arguments.length; i++) {\r
+ var lambda = arguments[i];\r
+ try {\r
+ returnValue = lambda();\r
+ break;\r
+ } catch (e) {}\r
+ }\r
+\r
+ return returnValue;\r
+ }\r
+}\r
+\r
+/*--------------------------------------------------------------------------*/\r
+\r
+var PeriodicalExecuter = Class.create();\r
+PeriodicalExecuter.prototype = {\r
+ initialize: function(callback, frequency) {\r
+ this.callback = callback;\r
+ this.frequency = frequency;\r
+ this.currentlyExecuting = false;\r
+\r
+ this.registerCallback();\r
+ },\r
+\r
+ registerCallback: function() {\r
+ this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);\r
+ },\r
+\r
+ stop: function() {\r
+ if (!this.timer) return;\r
+ clearInterval(this.timer);\r
+ this.timer = null;\r
+ },\r
+\r
+ onTimerEvent: function() {\r
+ if (!this.currentlyExecuting) {\r
+ try {\r
+ this.currentlyExecuting = true;\r
+ this.callback(this);\r
+ } finally {\r
+ this.currentlyExecuting = false;\r
+ }\r
+ }\r
+ }\r
+}\r
+Object.extend(String.prototype, {\r
+ gsub: function(pattern, replacement) {\r
+ var result = '', source = this, match;\r
+ replacement = arguments.callee.prepareReplacement(replacement);\r
+\r
+ while (source.length > 0) {\r
+ if (match = source.match(pattern)) {\r
+ result += source.slice(0, match.index);\r
+ result += (replacement(match) || '').toString();\r
+ source = source.slice(match.index + match[0].length);\r
+ } else {\r
+ result += source, source = '';\r
+ }\r
+ }\r
+ return result;\r
+ },\r
+\r
+ sub: function(pattern, replacement, count) {\r
+ replacement = this.gsub.prepareReplacement(replacement);\r
+ count = count === undefined ? 1 : count;\r
+\r
+ return this.gsub(pattern, function(match) {\r
+ if (--count < 0) return match[0];\r
+ return replacement(match);\r
+ });\r
+ },\r
+\r
+ scan: function(pattern, iterator) {\r
+ this.gsub(pattern, iterator);\r
+ return this;\r
+ },\r
+\r
+ truncate: function(length, truncation) {\r
+ length = length || 30;\r
+ truncation = truncation === undefined ? '...' : truncation;\r
+ return this.length > length ?\r
+ this.slice(0, length - truncation.length) + truncation : this;\r
+ },\r
+\r
+ strip: function() {\r
+ return this.replace(/^\s+/, '').replace(/\s+$/, '');\r
+ },\r
+\r
+ stripTags: function() {\r
+ return this.replace(/<\/?[^>]+>/gi, '');\r
+ },\r
+\r
+ stripScripts: function() {\r
+ return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');\r
+ },\r
+\r
+ extractScripts: function() {\r
+ var matchAll = new RegExp(Prototype.ScriptFragment, 'img');\r
+ var matchOne = new RegExp(Prototype.ScriptFragment, 'im');\r
+ return (this.match(matchAll) || []).map(function(scriptTag) {\r
+ return (scriptTag.match(matchOne) || ['', ''])[1];\r
+ });\r
+ },\r
+\r
+ evalScripts: function() {\r
+ return this.extractScripts().map(function(script) { return eval(script) });\r
+ },\r
+\r
+ escapeHTML: function() {\r
+ var div = document.createElement('div');\r
+ var text = document.createTextNode(this);\r
+ div.appendChild(text);\r
+ return div.innerHTML;\r
+ },\r
+\r
+ unescapeHTML: function() {\r
+ var div = document.createElement('div');\r
+ div.innerHTML = this.stripTags();\r
+ return div.childNodes[0] ? div.childNodes[0].nodeValue : '';\r
+ },\r
+\r
+ toQueryParams: function() {\r
+ var pairs = this.match(/^\??(.*)$/)[1].split('&');\r
+ return pairs.inject({}, function(params, pairString) {\r
+ var pair = pairString.split('=');\r
+ var value = pair[1] ? decodeURIComponent(pair[1]) : undefined;\r
+ params[decodeURIComponent(pair[0])] = value;\r
+ return params;\r
+ });\r
+ },\r
+\r
+ toArray: function() {\r
+ return this.split('');\r
+ },\r
+\r
+ camelize: function() {\r
+ var oStringList = this.split('-');\r
+ if (oStringList.length == 1) return oStringList[0];\r
+\r
+ var camelizedString = this.indexOf('-') == 0\r
+ ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1)\r
+ : oStringList[0];\r
+\r
+ for (var i = 1, len = oStringList.length; i < len; i++) {\r
+ var s = oStringList[i];\r
+ camelizedString += s.charAt(0).toUpperCase() + s.substring(1);\r
+ }\r
+\r
+ return camelizedString;\r
+ },\r
+\r
+ inspect: function(useDoubleQuotes) {\r
+ var escapedString = this.replace(/\\/g, '\\\\');\r
+ if (useDoubleQuotes)\r
+ return '"' + escapedString.replace(/"/g, '\\"') + '"';\r
+ else\r
+ return "'" + escapedString.replace(/'/g, '\\\'') + "'";\r
+ }\r
+});\r
+\r
+String.prototype.gsub.prepareReplacement = function(replacement) {\r
+ if (typeof replacement == 'function') return replacement;\r
+ var template = new Template(replacement);\r
+ return function(match) { return template.evaluate(match) };\r
+}\r
+\r
+String.prototype.parseQuery = String.prototype.toQueryParams;\r
+\r
+var Template = Class.create();\r
+Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;\r
+Template.prototype = {\r
+ initialize: function(template, pattern) {\r
+ this.template = template.toString();\r
+ this.pattern = pattern || Template.Pattern;\r
+ },\r
+\r
+ evaluate: function(object) {\r
+ return this.template.gsub(this.pattern, function(match) {\r
+ var before = match[1];\r
+ if (before == '\\') return match[2];\r
+ return before + (object[match[3]] || '').toString();\r
+ });\r
+ }\r
+}\r
+\r
+var $break = new Object();\r
+var $continue = new Object();\r
+\r
+var Enumerable = {\r
+ each: function(iterator) {\r
+ var index = 0;\r
+ try {\r
+ this._each(function(value) {\r
+ try {\r
+ iterator(value, index++);\r
+ } catch (e) {\r
+ if (e != $continue) throw e;\r
+ }\r
+ });\r
+ } catch (e) {\r
+ if (e != $break) throw e;\r
+ }\r
+ },\r
+\r
+ all: function(iterator) {\r
+ var result = true;\r
+ this.each(function(value, index) {\r
+ result = result && !!(iterator || Prototype.K)(value, index);\r
+ if (!result) throw $break;\r
+ });\r
+ return result;\r
+ },\r
+\r
+ any: function(iterator) {\r
+ var result = false;\r
+ this.each(function(value, index) {\r
+ if (result = !!(iterator || Prototype.K)(value, index))\r
+ throw $break;\r
+ });\r
+ return result;\r
+ },\r
+\r
+ collect: function(iterator) {\r
+ var results = [];\r
+ this.each(function(value, index) {\r
+ results.push(iterator(value, index));\r
+ });\r
+ return results;\r
+ },\r
+\r
+ detect: function (iterator) {\r
+ var result;\r
+ this.each(function(value, index) {\r
+ if (iterator(value, index)) {\r
+ result = value;\r
+ throw $break;\r
+ }\r
+ });\r
+ return result;\r
+ },\r
+\r
+ findAll: function(iterator) {\r
+ var results = [];\r
+ this.each(function(value, index) {\r
+ if (iterator(value, index))\r
+ results.push(value);\r
+ });\r
+ return results;\r
+ },\r
+\r
+ grep: function(pattern, iterator) {\r
+ var results = [];\r
+ this.each(function(value, index) {\r
+ var stringValue = value.toString();\r
+ if (stringValue.match(pattern))\r
+ results.push((iterator || Prototype.K)(value, index));\r
+ })\r
+ return results;\r
+ },\r
+\r
+ include: function(object) {\r
+ var found = false;\r
+ this.each(function(value) {\r
+ if (value == object) {\r
+ found = true;\r
+ throw $break;\r
+ }\r
+ });\r
+ return found;\r
+ },\r
+\r
+ inject: function(memo, iterator) {\r
+ this.each(function(value, index) {\r
+ memo = iterator(memo, value, index);\r
+ });\r
+ return memo;\r
+ },\r
+\r
+ invoke: function(method) {\r
+ var args = $A(arguments).slice(1);\r
+ return this.collect(function(value) {\r
+ return value[method].apply(value, args);\r
+ });\r
+ },\r
+\r
+ max: function(iterator) {\r
+ var result;\r
+ this.each(function(value, index) {\r
+ value = (iterator || Prototype.K)(value, index);\r
+ if (result == undefined || value >= result)\r
+ result = value;\r
+ });\r
+ return result;\r
+ },\r
+\r
+ min: function(iterator) {\r
+ var result;\r
+ this.each(function(value, index) {\r
+ value = (iterator || Prototype.K)(value, index);\r
+ if (result == undefined || value < result)\r
+ result = value;\r
+ });\r
+ return result;\r
+ },\r
+\r
+ partition: function(iterator) {\r
+ var trues = [], falses = [];\r
+ this.each(function(value, index) {\r
+ ((iterator || Prototype.K)(value, index) ?\r
+ trues : falses).push(value);\r
+ });\r
+ return [trues, falses];\r
+ },\r
+\r
+ pluck: function(property) {\r
+ var results = [];\r
+ this.each(function(value, index) {\r
+ results.push(value[property]);\r
+ });\r
+ return results;\r
+ },\r
+\r
+ reject: function(iterator) {\r
+ var results = [];\r
+ this.each(function(value, index) {\r
+ if (!iterator(value, index))\r
+ results.push(value);\r
+ });\r
+ return results;\r
+ },\r
+\r
+ sortBy: function(iterator) {\r
+ return this.collect(function(value, index) {\r
+ return {value: value, criteria: iterator(value, index)};\r
+ }).sort(function(left, right) {\r
+ var a = left.criteria, b = right.criteria;\r
+ return a < b ? -1 : a > b ? 1 : 0;\r
+ }).pluck('value');\r
+ },\r
+\r
+ toArray: function() {\r
+ return this.collect(Prototype.K);\r
+ },\r
+\r
+ zip: function() {\r
+ var iterator = Prototype.K, args = $A(arguments);\r
+ if (typeof args.last() == 'function')\r
+ iterator = args.pop();\r
+\r
+ var collections = [this].concat(args).map($A);\r
+ return this.map(function(value, index) {\r
+ return iterator(collections.pluck(index));\r
+ });\r
+ },\r
+\r
+ inspect: function() {\r
+ return '#<Enumerable:' + this.toArray().inspect() + '>';\r
+ }\r
+}\r
+\r
+Object.extend(Enumerable, {\r
+ map: Enumerable.collect,\r
+ find: Enumerable.detect,\r
+ select: Enumerable.findAll,\r
+ member: Enumerable.include,\r
+ entries: Enumerable.toArray\r
+});\r
+var $A = Array.from = function(iterable) {\r
+ if (!iterable) return [];\r
+ if (iterable.toArray) {\r
+ return iterable.toArray();\r
+ } else {\r
+ var results = [];\r
+ for (var i = 0; i < iterable.length; i++)\r
+ results.push(iterable[i]);\r
+ return results;\r
+ }\r
+}\r
+\r
+Object.extend(Array.prototype, Enumerable);\r
+\r
+if (!Array.prototype._reverse)\r
+ Array.prototype._reverse = Array.prototype.reverse;\r
+\r
+Object.extend(Array.prototype, {\r
+ _each: function(iterator) {\r
+ for (var i = 0; i < this.length; i++)\r
+ iterator(this[i]);\r
+ },\r
+\r
+ clear: function() {\r
+ this.length = 0;\r
+ return this;\r
+ },\r
+\r
+ first: function() {\r
+ return this[0];\r
+ },\r
+\r
+ last: function() {\r
+ return this[this.length - 1];\r
+ },\r
+\r
+ compact: function() {\r
+ return this.select(function(value) {\r
+ return value != undefined || value != null;\r
+ });\r
+ },\r
+\r
+ flatten: function() {\r
+ return this.inject([], function(array, value) {\r
+ return array.concat(value && value.constructor == Array ?\r
+ value.flatten() : [value]);\r
+ });\r
+ },\r
+\r
+ without: function() {\r
+ var values = $A(arguments);\r
+ return this.select(function(value) {\r
+ return !values.include(value);\r
+ });\r
+ },\r
+\r
+ indexOf: function(object) {\r
+ for (var i = 0; i < this.length; i++)\r
+ if (this[i] == object) return i;\r
+ return -1;\r
+ },\r
+\r
+ reverse: function(inline) {\r
+ return (inline !== false ? this : this.toArray())._reverse();\r
+ },\r
+\r
+ reduce: function() {\r
+ return this.length > 1 ? this : this[0];\r
+ },\r
+\r
+ uniq: function() {\r
+ return this.inject([], function(array, value) {\r
+ return array.include(value) ? array : array.concat([value]);\r
+ });\r
+ },\r
+\r
+ inspect: function() {\r
+ return '[' + this.map(Object.inspect).join(', ') + ']';\r
+ }\r
+});\r
+var Hash = {\r
+ _each: function(iterator) {\r
+ for (var key in this) {\r
+ var value = this[key];\r
+ if (typeof value == 'function') continue;\r
+\r
+ var pair = [key, value];\r
+ pair.key = key;\r
+ pair.value = value;\r
+ iterator(pair);\r
+ }\r
+ },\r
+\r
+ keys: function() {\r
+ return this.pluck('key');\r
+ },\r
+\r
+ values: function() {\r
+ return this.pluck('value');\r
+ },\r
+\r
+ merge: function(hash) {\r
+ return $H(hash).inject($H(this), function(mergedHash, pair) {\r
+ mergedHash[pair.key] = pair.value;\r
+ return mergedHash;\r
+ });\r
+ },\r
+\r
+ toQueryString: function() {\r
+ return this.map(function(pair) {\r
+ return pair.map(encodeURIComponent).join('=');\r
+ }).join('&');\r
+ },\r
+\r
+ inspect: function() {\r
+ return '#<Hash:{' + this.map(function(pair) {\r
+ return pair.map(Object.inspect).join(': ');\r
+ }).join(', ') + '}>';\r
+ }\r
+}\r
+\r
+function $H(object) {\r
+ var hash = Object.extend({}, object || {});\r
+ Object.extend(hash, Enumerable);\r
+ Object.extend(hash, Hash);\r
+ return hash;\r
+}\r
+ObjectRange = Class.create();\r
+Object.extend(ObjectRange.prototype, Enumerable);\r
+Object.extend(ObjectRange.prototype, {\r
+ initialize: function(start, end, exclusive) {\r
+ this.start = start;\r
+ this.end = end;\r
+ this.exclusive = exclusive;\r
+ },\r
+\r
+ _each: function(iterator) {\r
+ var value = this.start;\r
+ while (this.include(value)) {\r
+ iterator(value);\r
+ value = value.succ();\r
+ }\r
+ },\r
+\r
+ include: function(value) {\r
+ if (value < this.start)\r
+ return false;\r
+ if (this.exclusive)\r
+ return value < this.end;\r
+ return value <= this.end;\r
+ }\r
+});\r
+\r
+var $R = function(start, end, exclusive) {\r
+ return new ObjectRange(start, end, exclusive);\r
+}\r
+\r
+var Ajax = {\r
+ getTransport: function() {\r
+ return Try.these(\r
+ function() {return new XMLHttpRequest()},\r
+ function() {return new ActiveXObject('Msxml2.XMLHTTP')},\r
+ function() {return new ActiveXObject('Microsoft.XMLHTTP')}\r
+ ) || false;\r
+ },\r
+\r
+ activeRequestCount: 0\r
+}\r
+\r
+Ajax.Responders = {\r
+ responders: [],\r
+\r
+ _each: function(iterator) {\r
+ this.responders._each(iterator);\r
+ },\r
+\r
+ register: function(responderToAdd) {\r
+ if (!this.include(responderToAdd))\r
+ this.responders.push(responderToAdd);\r
+ },\r
+\r
+ unregister: function(responderToRemove) {\r
+ this.responders = this.responders.without(responderToRemove);\r
+ },\r
+\r
+ dispatch: function(callback, request, transport, json) {\r
+ this.each(function(responder) {\r
+ if (responder[callback] && typeof responder[callback] == 'function') {\r
+ try {\r
+ responder[callback].apply(responder, [request, transport, json]);\r
+ } catch (e) {}\r
+ }\r
+ });\r
+ }\r
+};\r
+\r
+Object.extend(Ajax.Responders, Enumerable);\r
+\r
+Ajax.Responders.register({\r
+ onCreate: function() {\r
+ Ajax.activeRequestCount++;\r
+ },\r
+\r
+ onComplete: function() {\r
+ Ajax.activeRequestCount--;\r
+ }\r
+});\r
+\r
+Ajax.Base = function() {};\r
+Ajax.Base.prototype = {\r
+ setOptions: function(options) {\r
+ this.options = {\r
+ method: 'post',\r
+ asynchronous: true,\r
+ contentType: 'application/x-www-form-urlencoded',\r
+ parameters: ''\r
+ }\r
+ Object.extend(this.options, options || {});\r
+ },\r
+\r
+ responseIsSuccess: function() {\r
+ return this.transport.status == undefined\r
+ || this.transport.status == 0\r
+ || (this.transport.status >= 200 && this.transport.status < 300);\r
+ },\r
+\r
+ responseIsFailure: function() {\r
+ return !this.responseIsSuccess();\r
+ }\r
+}\r
+\r
+Ajax.Request = Class.create();\r
+Ajax.Request.Events =\r
+ ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];\r
+\r
+Ajax.Request.prototype = Object.extend(new Ajax.Base(), {\r
+ initialize: function(url, options) {\r
+ this.transport = Ajax.getTransport();\r
+ this.setOptions(options);\r
+ this.request(url);\r
+ },\r
+\r
+ request: function(url) {\r
+ var parameters = this.options.parameters || '';\r
+ if (parameters.length > 0) parameters += '&_=';\r
+\r
+ /* Simulate other verbs over post */\r
+ if (this.options.method != 'get' && this.options.method != 'post') {\r
+ parameters += (parameters.length > 0 ? '&' : '') + '_method=' + this.options.method;\r
+ this.options.method = 'post';\r
+ }\r
+\r
+ try {\r
+ this.url = url;\r
+ if (this.options.method == 'get' && parameters.length > 0)\r
+ this.url += (this.url.match(/\?/) ? '&' : '?') + parameters;\r
+\r
+ Ajax.Responders.dispatch('onCreate', this, this.transport);\r
+\r
+ this.transport.open(this.options.method, this.url,\r
+ this.options.asynchronous);\r
+\r
+ if (this.options.asynchronous)\r
+ setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10);\r
+\r
+ this.transport.onreadystatechange = this.onStateChange.bind(this);\r
+ this.setRequestHeaders();\r
+\r
+ var body = this.options.postBody ? this.options.postBody : parameters;\r
+ this.transport.send(this.options.method == 'post' ? body : null);\r
+\r
+ /* Force Firefox to handle ready state 4 for synchronous requests */\r
+ if (!this.options.asynchronous && this.transport.overrideMimeType)\r
+ this.onStateChange();\r
+\r
+ } catch (e) {\r
+ this.dispatchException(e);\r
+ }\r
+ },\r
+\r
+ setRequestHeaders: function() {\r
+ var requestHeaders =\r
+ ['X-Requested-With', 'XMLHttpRequest',\r
+ 'X-Prototype-Version', Prototype.Version,\r
+ 'Accept', 'text/javascript, text/html, application/xml, text/xml, */*'];\r
+\r
+ if (this.options.method == 'post') {\r
+ requestHeaders.push('Content-type', this.options.contentType);\r
+\r
+ /* Force "Connection: close" for Mozilla browsers to work around\r
+ * a bug where XMLHttpReqeuest sends an incorrect Content-length\r
+ * header. See Mozilla Bugzilla #246651.\r
+ */\r
+ if (this.transport.overrideMimeType)\r
+ requestHeaders.push('Connection', 'close');\r
+ }\r
+\r
+ if (this.options.requestHeaders)\r
+ requestHeaders.push.apply(requestHeaders, this.options.requestHeaders);\r
+\r
+ for (var i = 0; i < requestHeaders.length; i += 2)\r
+ this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]);\r
+ },\r
+\r
+ onStateChange: function() {\r
+ var readyState = this.transport.readyState;\r
+ if (readyState != 1)\r
+ this.respondToReadyState(this.transport.readyState);\r
+ },\r
+\r
+ header: function(name) {\r
+ try {\r
+ return this.transport.getResponseHeader(name);\r
+ } catch (e) {}\r
+ },\r
+\r
+ evalJSON: function() {\r
+ try {\r
+ return eval('(' + this.header('X-JSON') + ')');\r
+ } catch (e) {}\r
+ },\r
+\r
+ evalResponse: function() {\r
+ try {\r
+ return eval(this.transport.responseText);\r
+ } catch (e) {\r
+ this.dispatchException(e);\r
+ }\r
+ },\r
+\r
+ respondToReadyState: function(readyState) {\r
+ var event = Ajax.Request.Events[readyState];\r
+ var transport = this.transport, json = this.evalJSON();\r
+\r
+ if (event == 'Complete') {\r
+ try {\r
+ (this.options['on' + this.transport.status]\r
+ || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')]\r
+ || Prototype.emptyFunction)(transport, json);\r
+ } catch (e) {\r
+ this.dispatchException(e);\r
+ }\r
+\r
+ if ((this.header('Content-type') || '').match(/^text\/javascript/i))\r
+ this.evalResponse();\r
+ }\r
+\r
+ try {\r
+ (this.options['on' + event] || Prototype.emptyFunction)(transport, json);\r
+ Ajax.Responders.dispatch('on' + event, this, transport, json);\r
+ } catch (e) {\r
+ this.dispatchException(e);\r
+ }\r
+\r
+ /* Avoid memory leak in MSIE: clean up the oncomplete event handler */\r
+ if (event == 'Complete')\r
+ this.transport.onreadystatechange = Prototype.emptyFunction;\r
+ },\r
+\r
+ dispatchException: function(exception) {\r
+ (this.options.onException || Prototype.emptyFunction)(this, exception);\r
+ Ajax.Responders.dispatch('onException', this, exception);\r
+ }\r
+});\r
+\r
+Ajax.Updater = Class.create();\r
+\r
+Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {\r
+ initialize: function(container, url, options) {\r
+ this.containers = {\r
+ success: container.success ? $(container.success) : $(container),\r
+ failure: container.failure ? $(container.failure) :\r
+ (container.success ? null : $(container))\r
+ }\r
+\r
+ this.transport = Ajax.getTransport();\r
+ this.setOptions(options);\r
+\r
+ var onComplete = this.options.onComplete || Prototype.emptyFunction;\r
+ this.options.onComplete = (function(transport, object) {\r
+ this.updateContent();\r
+ onComplete(transport, object);\r
+ }).bind(this);\r
+\r
+ this.request(url);\r
+ },\r
+\r
+ updateContent: function() {\r
+ var receiver = this.responseIsSuccess() ?\r
+ this.containers.success : this.containers.failure;\r
+ var response = this.transport.responseText;\r
+\r
+ if (!this.options.evalScripts)\r
+ response = response.stripScripts();\r
+\r
+ if (receiver) {\r
+ if (this.options.insertion) {\r
+ new this.options.insertion(receiver, response);\r
+ } else {\r
+ Element.update(receiver, response);\r
+ }\r
+ }\r
+\r
+ if (this.responseIsSuccess()) {\r
+ if (this.onComplete)\r
+ setTimeout(this.onComplete.bind(this), 10);\r
+ }\r
+ }\r
+});\r
+\r
+Ajax.PeriodicalUpdater = Class.create();\r
+Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {\r
+ initialize: function(container, url, options) {\r
+ this.setOptions(options);\r
+ this.onComplete = this.options.onComplete;\r
+\r
+ this.frequency = (this.options.frequency || 2);\r
+ this.decay = (this.options.decay || 1);\r
+\r
+ this.updater = {};\r
+ this.container = container;\r
+ this.url = url;\r
+\r
+ this.start();\r
+ },\r
+\r
+ start: function() {\r
+ this.options.onComplete = this.updateComplete.bind(this);\r
+ this.onTimerEvent();\r
+ },\r
+\r
+ stop: function() {\r
+ this.updater.options.onComplete = undefined;\r
+ clearTimeout(this.timer);\r
+ (this.onComplete || Prototype.emptyFunction).apply(this, arguments);\r
+ },\r
+\r
+ updateComplete: function(request) {\r
+ if (this.options.decay) {\r
+ this.decay = (request.responseText == this.lastText ?\r
+ this.decay * this.options.decay : 1);\r
+\r
+ this.lastText = request.responseText;\r
+ }\r
+ this.timer = setTimeout(this.onTimerEvent.bind(this),\r
+ this.decay * this.frequency * 1000);\r
+ },\r
+\r
+ onTimerEvent: function() {\r
+ this.updater = new Ajax.Updater(this.container, this.url, this.options);\r
+ }\r
+});\r
+function $() {\r
+ var results = [], element;\r
+ for (var i = 0; i < arguments.length; i++) {\r
+ element = arguments[i];\r
+ if (typeof element == 'string')\r
+ element = document.getElementById(element);\r
+ results.push(Element.extend(element));\r
+ }\r
+ return results.reduce();\r
+}\r
+\r
+document.getElementsByClassName = function(className, parentElement) {\r
+ var children = ($(parentElement) || document.body).getElementsByTagName('*');\r
+ return $A(children).inject([], function(elements, child) {\r
+ if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))\r
+ elements.push(Element.extend(child));\r
+ return elements;\r
+ });\r
+}\r
+\r
+/*--------------------------------------------------------------------------*/\r
+\r
+if (!window.Element)\r
+ var Element = new Object();\r
+\r
+Element.extend = function(element) {\r
+ if (!element) return;\r
+ if (_nativeExtensions || element.nodeType == 3) return element;\r
+\r
+ if (!element._extended && element.tagName && element != window) {\r
+ var methods = Object.clone(Element.Methods), cache = Element.extend.cache;\r
+\r
+ if (element.tagName == 'FORM')\r
+ Object.extend(methods, Form.Methods);\r
+ if (['INPUT', 'TEXTAREA', 'SELECT'].include(element.tagName))\r
+ Object.extend(methods, Form.Element.Methods);\r
+\r
+ for (var property in methods) {\r
+ var value = methods[property];\r
+ if (typeof value == 'function')\r
+ element[property] = cache.findOrStore(value);\r
+ }\r
+ }\r
+\r
+ element._extended = true;\r
+ return element;\r
+}\r
+\r
+Element.extend.cache = {\r
+ findOrStore: function(value) {\r
+ return this[value] = this[value] || function() {\r
+ return value.apply(null, [this].concat($A(arguments)));\r
+ }\r
+ }\r
+}\r
+\r
+Element.Methods = {\r
+ visible: function(element) {\r
+ return $(element).style.display != 'none';\r
+ },\r
+\r
+ toggle: function(element) {\r
+ element = $(element);\r
+ Element[Element.visible(element) ? 'hide' : 'show'](element);\r
+ return element;\r
+ },\r
+\r
+ hide: function(element) {\r
+ $(element).style.display = 'none';\r
+ return element;\r
+ },\r
+\r
+ show: function(element) {\r
+ $(element).style.display = '';\r
+ return element;\r
+ },\r
+\r
+ remove: function(element) {\r
+ element = $(element);\r
+ element.parentNode.removeChild(element);\r
+ return element;\r
+ },\r
+\r
+ update: function(element, html) {\r
+ $(element).innerHTML = html.stripScripts();\r
+ setTimeout(function() {html.evalScripts()}, 10);\r
+ return element;\r
+ },\r
+\r
+ replace: function(element, html) {\r
+ element = $(element);\r
+ if (element.outerHTML) {\r
+ element.outerHTML = html.stripScripts();\r
+ } else {\r
+ var range = element.ownerDocument.createRange();\r
+ range.selectNodeContents(element);\r
+ element.parentNode.replaceChild(\r
+ range.createContextualFragment(html.stripScripts()), element);\r
+ }\r
+ setTimeout(function() {html.evalScripts()}, 10);\r
+ return element;\r
+ },\r
+\r
+ inspect: function(element) {\r
+ element = $(element);\r
+ var result = '<' + element.tagName.toLowerCase();\r
+ $H({'id': 'id', 'className': 'class'}).each(function(pair) {\r
+ var property = pair.first(), attribute = pair.last();\r
+ var value = (element[property] || '').toString();\r
+ if (value) result += ' ' + attribute + '=' + value.inspect(true);\r
+ });\r
+ return result + '>';\r
+ },\r
+\r
+ recursivelyCollect: function(element, property) {\r
+ element = $(element);\r
+ var elements = [];\r
+ while (element = element[property])\r
+ if (element.nodeType == 1)\r
+ elements.push(Element.extend(element));\r
+ return elements;\r
+ },\r
+\r
+ ancestors: function(element) {\r
+ return $(element).recursivelyCollect('parentNode');\r
+ },\r
+\r
+ descendants: function(element) {\r
+ element = $(element);\r
+ return $A(element.getElementsByTagName('*'));\r
+ },\r
+\r
+ previousSiblings: function(element) {\r
+ return $(element).recursivelyCollect('previousSibling');\r
+ },\r
+\r
+ nextSiblings: function(element) {\r
+ return $(element).recursivelyCollect('nextSibling');\r
+ },\r
+\r
+ siblings: function(element) {\r
+ element = $(element);\r
+ return element.previousSiblings().reverse().concat(element.nextSiblings());\r
+ },\r
+\r
+ match: function(element, selector) {\r
+ element = $(element);\r
+ if (typeof selector == 'string')\r
+ selector = new Selector(selector);\r
+ return selector.match(element);\r
+ },\r
+\r
+ up: function(element, expression, index) {\r
+ return Selector.findElement($(element).ancestors(), expression, index);\r
+ },\r
+\r
+ down: function(element, expression, index) {\r
+ return Selector.findElement($(element).descendants(), expression, index);\r
+ },\r
+\r
+ previous: function(element, expression, index) {\r
+ return Selector.findElement($(element).previousSiblings(), expression, index);\r
+ },\r
+\r
+ next: function(element, expression, index) {\r
+ return Selector.findElement($(element).nextSiblings(), expression, index);\r
+ },\r
+\r
+ getElementsBySelector: function() {\r
+ var args = $A(arguments), element = $(args.shift());\r
+ return Selector.findChildElements(element, args);\r
+ },\r
+\r
+ getElementsByClassName: function(element, className) {\r
+ element = $(element);\r
+ return document.getElementsByClassName(className, element);\r
+ },\r
+\r
+ getHeight: function(element) {\r
+ element = $(element);\r
+ return element.offsetHeight;\r
+ },\r
+\r
+ classNames: function(element) {\r
+ return new Element.ClassNames(element);\r
+ },\r
+\r
+ hasClassName: function(element, className) {\r
+ if (!(element = $(element))) return;\r
+ return Element.classNames(element).include(className);\r
+ },\r
+\r
+ addClassName: function(element, className) {\r
+ if (!(element = $(element))) return;\r
+ Element.classNames(element).add(className);\r
+ return element;\r
+ },\r
+\r
+ removeClassName: function(element, className) {\r
+ if (!(element = $(element))) return;\r
+ Element.classNames(element).remove(className);\r
+ return element;\r
+ },\r
+\r
+ observe: function() {\r
+ Event.observe.apply(Event, arguments);\r
+ return $A(arguments).first();\r
+ },\r
+\r
+ stopObserving: function() {\r
+ Event.stopObserving.apply(Event, arguments);\r
+ return $A(arguments).first();\r
+ },\r
+\r
+ // removes whitespace-only text node children\r
+ cleanWhitespace: function(element) {\r
+ element = $(element);\r
+ var node = element.firstChild;\r
+ while (node) {\r
+ var nextNode = node.nextSibling;\r
+ if (node.nodeType == 3 && !/\S/.test(node.nodeValue))\r
+ element.removeChild(node);\r
+ node = nextNode;\r
+ }\r
+ return element;\r
+ },\r
+\r
+ empty: function(element) {\r
+ return $(element).innerHTML.match(/^\s*$/);\r
+ },\r
+\r
+ childOf: function(element, ancestor) {\r
+ element = $(element), ancestor = $(ancestor);\r
+ while (element = element.parentNode)\r
+ if (element == ancestor) return true;\r
+ return false;\r
+ },\r
+\r
+ scrollTo: function(element) {\r
+ element = $(element);\r
+ var x = element.x ? element.x : element.offsetLeft,\r
+ y = element.y ? element.y : element.offsetTop;\r
+ window.scrollTo(x, y);\r
+ return element;\r
+ },\r
+\r
+ getStyle: function(element, style) {\r
+ element = $(element);\r
+ var value = element.style[style.camelize()];\r
+ if (!value) {\r
+ if (document.defaultView && document.defaultView.getComputedStyle) {\r
+ var css = document.defaultView.getComputedStyle(element, null);\r
+ value = css ? css.getPropertyValue(style) : null;\r
+ } else if (element.currentStyle) {\r
+ value = element.currentStyle[style.camelize()];\r
+ }\r
+ }\r
+\r
+ if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))\r
+ if (Element.getStyle(element, 'position') == 'static') value = 'auto';\r
+\r
+ return value == 'auto' ? null : value;\r
+ },\r
+\r
+ setStyle: function(element, style) {\r
+ element = $(element);\r
+ for (var name in style)\r
+ element.style[name.camelize()] = style[name];\r
+ return element;\r
+ },\r
+\r
+ getDimensions: function(element) {\r
+ element = $(element);\r
+ if (Element.getStyle(element, 'display') != 'none')\r
+ return {width: element.offsetWidth, height: element.offsetHeight};\r
+\r
+ // All *Width and *Height properties give 0 on elements with display none,\r
+ // so enable the element temporarily\r
+ var els = element.style;\r
+ var originalVisibility = els.visibility;\r
+ var originalPosition = els.position;\r
+ els.visibility = 'hidden';\r
+ els.position = 'absolute';\r
+ els.display = '';\r
+ var originalWidth = element.clientWidth;\r
+ var originalHeight = element.clientHeight;\r
+ els.display = 'none';\r
+ els.position = originalPosition;\r
+ els.visibility = originalVisibility;\r
+ return {width: originalWidth, height: originalHeight};\r
+ },\r
+\r
+ makePositioned: function(element) {\r
+ element = $(element);\r
+ var pos = Element.getStyle(element, 'position');\r
+ if (pos == 'static' || !pos) {\r
+ element._madePositioned = true;\r
+ element.style.position = 'relative';\r
+ // Opera returns the offset relative to the positioning context, when an\r
+ // element is position relative but top and left have not been defined\r
+ if (window.opera) {\r
+ element.style.top = 0;\r
+ element.style.left = 0;\r
+ }\r
+ }\r
+ return element;\r
+ },\r
+\r
+ undoPositioned: function(element) {\r
+ element = $(element);\r
+ if (element._madePositioned) {\r
+ element._madePositioned = undefined;\r
+ element.style.position =\r
+ element.style.top =\r
+ element.style.left =\r
+ element.style.bottom =\r
+ element.style.right = '';\r
+ }\r
+ return element;\r
+ },\r
+\r
+ makeClipping: function(element) {\r
+ element = $(element);\r
+ if (element._overflow) return;\r
+ element._overflow = element.style.overflow || 'auto';\r
+ if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')\r
+ element.style.overflow = 'hidden';\r
+ return element;\r
+ },\r
+\r
+ undoClipping: function(element) {\r
+ element = $(element);\r
+ if (!element._overflow) return;\r
+ element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;\r
+ element._overflow = null;\r
+ return element;\r
+ }\r
+}\r
+\r
+// IE is missing .innerHTML support for TABLE-related elements\r
+if(document.all){\r
+ Element.Methods.update = function(element, html) {\r
+ element = $(element);\r
+ var tagName = element.tagName.toUpperCase();\r
+ if (['THEAD','TBODY','TR','TD'].indexOf(tagName) > -1) {\r
+ var div = document.createElement('div');\r
+ switch (tagName) {\r
+ case 'THEAD':\r
+ case 'TBODY':\r
+ div.innerHTML = '<table><tbody>' + html.stripScripts() + '</tbody></table>';\r
+ depth = 2;\r
+ break;\r
+ case 'TR':\r
+ div.innerHTML = '<table><tbody><tr>' + html.stripScripts() + '</tr></tbody></table>';\r
+ depth = 3;\r
+ break;\r
+ case 'TD':\r
+ div.innerHTML = '<table><tbody><tr><td>' + html.stripScripts() + '</td></tr></tbody></table>';\r
+ depth = 4;\r
+ }\r
+ $A(element.childNodes).each(function(node){\r
+ element.removeChild(node)\r
+ });\r
+ depth.times(function(){ div = div.firstChild });\r
+\r
+ $A(div.childNodes).each(\r
+ function(node){ element.appendChild(node) });\r
+ } else {\r
+ element.innerHTML = html.stripScripts();\r
+ }\r
+ setTimeout(function() {html.evalScripts()}, 10);\r
+ return element;\r
+ }\r
+}\r
+\r
+Object.extend(Element, Element.Methods);\r
+\r
+var _nativeExtensions = false;\r
+\r
+if (!window.HTMLElement && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) {\r
+ /* Emulate HTMLElement, HTMLFormElement, HTMLInputElement, HTMLTextAreaElement,\r
+ and HTMLSelectElement in Safari */\r
+ ['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) {\r
+ var klass = window['HTML' + tag + 'Element'] = {};\r
+ klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__;\r
+ });\r
+}\r
+\r
+Element.addMethods = function(methods) {\r
+ Object.extend(Element.Methods, methods || {});\r
+\r
+ function copy(methods, destination) {\r
+ var cache = Element.extend.cache;\r
+ for (var property in methods) {\r
+ var value = methods[property];\r
+ destination[property] = cache.findOrStore(value);\r
+ }\r
+ }\r
+\r
+ if (typeof HTMLElement != 'undefined') {\r
+ copy(Element.Methods, HTMLElement.prototype);\r
+ copy(Form.Methods, HTMLFormElement.prototype);\r
+ [HTMLInputElement, HTMLTextAreaElement, HTMLSelectElement].each(function(klass) {\r
+ copy(Form.Element.Methods, klass.prototype);\r
+ });\r
+ _nativeExtensions = true;\r
+ }\r
+}\r
+\r
+var Toggle = new Object();\r
+Toggle.display = Element.toggle;\r
+\r
+/*--------------------------------------------------------------------------*/\r
+\r
+Abstract.Insertion = function(adjacency) {\r
+ this.adjacency = adjacency;\r
+}\r
+\r
+Abstract.Insertion.prototype = {\r
+ initialize: function(element, content) {\r
+ this.element = $(element);\r
+ this.content = content.stripScripts();\r
+\r
+ if (this.adjacency && this.element.insertAdjacentHTML) {\r
+ try {\r
+ this.element.insertAdjacentHTML(this.adjacency, this.content);\r
+ } catch (e) {\r
+ var tagName = this.element.tagName.toLowerCase();\r
+ if (tagName == 'tbody' || tagName == 'tr') {\r
+ this.insertContent(this.contentFromAnonymousTable());\r
+ } else {\r
+ throw e;\r
+ }\r
+ }\r
+ } else {\r
+ this.range = this.element.ownerDocument.createRange();\r
+ if (this.initializeRange) this.initializeRange();\r
+ this.insertContent([this.range.createContextualFragment(this.content)]);\r
+ }\r
+\r
+ setTimeout(function() {content.evalScripts()}, 10);\r
+ },\r
+\r
+ contentFromAnonymousTable: function() {\r
+ var div = document.createElement('div');\r
+ div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';\r
+ return $A(div.childNodes[0].childNodes[0].childNodes);\r
+ }\r
+}\r
+\r
+var Insertion = new Object();\r
+\r
+Insertion.Before = Class.create();\r
+Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {\r
+ initializeRange: function() {\r
+ this.range.setStartBefore(this.element);\r
+ },\r
+\r
+ insertContent: function(fragments) {\r
+ fragments.each((function(fragment) {\r
+ this.element.parentNode.insertBefore(fragment, this.element);\r
+ }).bind(this));\r
+ }\r
+});\r
+\r
+Insertion.Top = Class.create();\r
+Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {\r
+ initializeRange: function() {\r
+ this.range.selectNodeContents(this.element);\r
+ this.range.collapse(true);\r
+ },\r
+\r
+ insertContent: function(fragments) {\r
+ fragments.reverse(false).each((function(fragment) {\r
+ this.element.insertBefore(fragment, this.element.firstChild);\r
+ }).bind(this));\r
+ }\r
+});\r
+\r
+Insertion.Bottom = Class.create();\r
+Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {\r
+ initializeRange: function() {\r
+ this.range.selectNodeContents(this.element);\r
+ this.range.collapse(this.element);\r
+ },\r
+\r
+ insertContent: function(fragments) {\r
+ fragments.each((function(fragment) {\r
+ this.element.appendChild(fragment);\r
+ }).bind(this));\r
+ }\r
+});\r
+\r
+Insertion.After = Class.create();\r
+Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {\r
+ initializeRange: function() {\r
+ this.range.setStartAfter(this.element);\r
+ },\r
+\r
+ insertContent: function(fragments) {\r
+ fragments.each((function(fragment) {\r
+ this.element.parentNode.insertBefore(fragment,\r
+ this.element.nextSibling);\r
+ }).bind(this));\r
+ }\r
+});\r
+\r
+/*--------------------------------------------------------------------------*/\r
+\r
+Element.ClassNames = Class.create();\r
+Element.ClassNames.prototype = {\r
+ initialize: function(element) {\r
+ this.element = $(element);\r
+ },\r
+\r
+ _each: function(iterator) {\r
+ this.element.className.split(/\s+/).select(function(name) {\r
+ return name.length > 0;\r
+ })._each(iterator);\r
+ },\r
+\r
+ set: function(className) {\r
+ this.element.className = className;\r
+ },\r
+\r
+ add: function(classNameToAdd) {\r
+ if (this.include(classNameToAdd)) return;\r
+ this.set(this.toArray().concat(classNameToAdd).join(' '));\r
+ },\r
+\r
+ remove: function(classNameToRemove) {\r
+ if (!this.include(classNameToRemove)) return;\r
+ this.set(this.select(function(className) {\r
+ return className != classNameToRemove;\r
+ }).join(' '));\r
+ },\r
+\r
+ toString: function() {\r
+ return this.toArray().join(' ');\r
+ }\r
+}\r
+\r
+Object.extend(Element.ClassNames.prototype, Enumerable);\r
+var Selector = Class.create();\r
+Selector.prototype = {\r
+ initialize: function(expression) {\r
+ this.params = {classNames: []};\r
+ this.expression = expression.toString().strip();\r
+ this.parseExpression();\r
+ this.compileMatcher();\r
+ },\r
+\r
+ parseExpression: function() {\r
+ function abort(message) { throw 'Parse error in selector: ' + message; }\r
+\r
+ if (this.expression == '') abort('empty expression');\r
+\r
+ var params = this.params, expr = this.expression, match, modifier, clause, rest;\r
+ while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) {\r
+ params.attributes = params.attributes || [];\r
+ params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''});\r
+ expr = match[1];\r
+ }\r
+\r
+ if (expr == '*') return this.params.wildcard = true;\r
+\r
+ while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) {\r
+ modifier = match[1], clause = match[2], rest = match[3];\r
+ switch (modifier) {\r
+ case '#': params.id = clause; break;\r
+ case '.': params.classNames.push(clause); break;\r
+ case '':\r
+ case undefined: params.tagName = clause.toUpperCase(); break;\r
+ default: abort(expr.inspect());\r
+ }\r
+ expr = rest;\r
+ }\r
+\r
+ if (expr.length > 0) abort(expr.inspect());\r
+ },\r
+\r
+ buildMatchExpression: function() {\r
+ var params = this.params, conditions = [], clause;\r
+\r
+ if (params.wildcard)\r
+ conditions.push('true');\r
+ if (clause = params.id)\r
+ conditions.push('element.id == ' + clause.inspect());\r
+ if (clause = params.tagName)\r
+ conditions.push('element.tagName.toUpperCase() == ' + clause.inspect());\r
+ if ((clause = params.classNames).length > 0)\r
+ for (var i = 0; i < clause.length; i++)\r
+ conditions.push('Element.hasClassName(element, ' + clause[i].inspect() + ')');\r
+ if (clause = params.attributes) {\r
+ clause.each(function(attribute) {\r
+ var value = 'element.getAttribute(' + attribute.name.inspect() + ')';\r
+ var splitValueBy = function(delimiter) {\r
+ return value + ' && ' + value + '.split(' + delimiter.inspect() + ')';\r
+ }\r
+\r
+ switch (attribute.operator) {\r
+ case '=': conditions.push(value + ' == ' + attribute.value.inspect()); break;\r
+ case '~=': conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + ')'); break;\r
+ case '|=': conditions.push(\r
+ splitValueBy('-') + '.first().toUpperCase() == ' + attribute.value.toUpperCase().inspect()\r
+ ); break;\r
+ case '!=': conditions.push(value + ' != ' + attribute.value.inspect()); break;\r
+ case '':\r
+ case undefined: conditions.push(value + ' != null'); break;\r
+ default: throw 'Unknown operator ' + attribute.operator + ' in selector';\r
+ }\r
+ });\r
+ }\r
+\r
+ return conditions.join(' && ');\r
+ },\r
+\r
+ compileMatcher: function() {\r
+ this.match = new Function('element', 'if (!element.tagName) return false; \\r
+ return ' + this.buildMatchExpression());\r
+ },\r
+\r
+ findElements: function(scope) {\r
+ var element;\r
+\r
+ if (element = $(this.params.id))\r
+ if (this.match(element))\r
+ if (!scope || Element.childOf(element, scope))\r
+ return [element];\r
+\r
+ scope = (scope || document).getElementsByTagName(this.params.tagName || '*');\r
+\r
+ var results = [];\r
+ for (var i = 0; i < scope.length; i++)\r
+ if (this.match(element = scope[i]))\r
+ results.push(Element.extend(element));\r
+\r
+ return results;\r
+ },\r
+\r
+ toString: function() {\r
+ return this.expression;\r
+ }\r
+}\r
+\r
+Object.extend(Selector, {\r
+ matchElements: function(elements, expression) {\r
+ var selector = new Selector(expression);\r
+ return elements.select(selector.match.bind(selector));\r
+ },\r
+\r
+ findElement: function(elements, expression, index) {\r
+ if (typeof expression == 'number') index = expression, expression = false;\r
+ return Selector.matchElements(elements, expression || '*')[index || 0];\r
+ },\r
+\r
+ findChildElements: function(element, expressions) {\r
+ return expressions.map(function(expression) {\r
+ return expression.strip().split(/\s+/).inject([null], function(results, expr) {\r
+ var selector = new Selector(expr);\r
+ return results.inject([], function(elements, result) {\r
+ return elements.concat(selector.findElements(result || element));\r
+ });\r
+ });\r
+ }).flatten();\r
+ }\r
+});\r
+\r
+function $$() {\r
+ return Selector.findChildElements(document, $A(arguments));\r
+}\r
+var Form = {\r
+ reset: function(form) {\r
+ $(form).reset();\r
+ return form;\r
+ }\r
+};\r
+\r
+Form.Methods = {\r
+ serialize: function(form) {\r
+ var elements = Form.getElements($(form));\r
+ var queryComponents = new Array();\r
+\r
+ for (var i = 0; i < elements.length; i++) {\r
+ var queryComponent = Form.Element.serialize(elements[i]);\r
+ if (queryComponent)\r
+ queryComponents.push(queryComponent);\r
+ }\r
+\r
+ return queryComponents.join('&');\r
+ },\r
+\r
+ getElements: function(form) {\r
+ form = $(form);\r
+ var elements = new Array();\r
+\r
+ for (var tagName in Form.Element.Serializers) {\r
+ var tagElements = form.getElementsByTagName(tagName);\r
+ for (var j = 0; j < tagElements.length; j++)\r
+ elements.push(tagElements[j]);\r
+ }\r
+ return elements;\r
+ },\r
+\r
+ getInputs: function(form, typeName, name) {\r
+ form = $(form);\r
+ var inputs = form.getElementsByTagName('input');\r
+\r
+ if (!typeName && !name)\r
+ return inputs;\r
+\r
+ var matchingInputs = new Array();\r
+ for (var i = 0; i < inputs.length; i++) {\r
+ var input = inputs[i];\r
+ if ((typeName && input.type != typeName) ||\r
+ (name && input.name != name))\r
+ continue;\r
+ matchingInputs.push(input);\r
+ }\r
+\r
+ return matchingInputs;\r
+ },\r
+\r
+ disable: function(form) {\r
+ form = $(form);\r
+ var elements = Form.getElements(form);\r
+ for (var i = 0; i < elements.length; i++) {\r
+ var element = elements[i];\r
+ element.blur();\r
+ element.disabled = 'true';\r
+ }\r
+ return form;\r
+ },\r
+\r
+ enable: function(form) {\r
+ form = $(form);\r
+ var elements = Form.getElements(form);\r
+ for (var i = 0; i < elements.length; i++) {\r
+ var element = elements[i];\r
+ element.disabled = '';\r
+ }\r
+ return form;\r
+ },\r
+\r
+ findFirstElement: function(form) {\r
+ return Form.getElements(form).find(function(element) {\r
+ return element.type != 'hidden' && !element.disabled &&\r
+ ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());\r
+ });\r
+ },\r
+\r
+ focusFirstElement: function(form) {\r
+ form = $(form);\r
+ Field.activate(Form.findFirstElement(form));\r
+ return form;\r
+ }\r
+}\r
+\r
+Object.extend(Form, Form.Methods);\r
+\r
+/*--------------------------------------------------------------------------*/\r
+\r
+Form.Element = {\r
+ focus: function(element) {\r
+ $(element).focus();\r
+ return element;\r
+ },\r
+\r
+ select: function(element) {\r
+ $(element).select();\r
+ return element;\r
+ }\r
+}\r
+\r
+Form.Element.Methods = {\r
+ serialize: function(element) {\r
+ element = $(element);\r
+ var method = element.tagName.toLowerCase();\r
+ var parameter = Form.Element.Serializers[method](element);\r
+\r
+ if (parameter) {\r
+ var key = encodeURIComponent(parameter[0]);\r
+ if (key.length == 0) return;\r
+\r
+ if (parameter[1].constructor != Array)\r
+ parameter[1] = [parameter[1]];\r
+\r
+ return parameter[1].map(function(value) {\r
+ return key + '=' + encodeURIComponent(value);\r
+ }).join('&');\r
+ }\r
+ },\r
+\r
+ getValue: function(element) {\r
+ element = $(element);\r
+ var method = element.tagName.toLowerCase();\r
+ var parameter = Form.Element.Serializers[method](element);\r
+\r
+ if (parameter)\r
+ return parameter[1];\r
+ },\r
+\r
+ clear: function(element) {\r
+ $(element).value = '';\r
+ return element;\r
+ },\r
+\r
+ present: function(element) {\r
+ return $(element).value != '';\r
+ },\r
+\r
+ activate: function(element) {\r
+ element = $(element);\r
+ element.focus();\r
+ if (element.select)\r
+ element.select();\r
+ return element;\r
+ },\r
+\r
+ disable: function(element) {\r
+ element = $(element);\r
+ element.disabled = '';\r
+ return element;\r
+ },\r
+\r
+ enable: function(element) {\r
+ element = $(element);\r
+ element.blur();\r
+ element.disabled = 'true';\r
+ return element;\r
+ }\r
+}\r
+\r
+Object.extend(Form.Element, Form.Element.Methods);\r
+var Field = Form.Element;\r
+\r
+/*--------------------------------------------------------------------------*/\r
+\r
+Form.Element.Serializers = {\r
+ input: function(element) {\r
+ switch (element.type.toLowerCase()) {\r
+ case 'checkbox':\r
+ case 'radio':\r
+ return Form.Element.Serializers.inputSelector(element);\r
+ default:\r
+ return Form.Element.Serializers.textarea(element);\r
+ }\r
+ return false;\r
+ },\r
+\r
+ inputSelector: function(element) {\r
+ if (element.checked)\r
+ return [element.name, element.value];\r
+ },\r
+\r
+ textarea: function(element) {\r
+ return [element.name, element.value];\r
+ },\r
+\r
+ select: function(element) {\r
+ return Form.Element.Serializers[element.type == 'select-one' ?\r
+ 'selectOne' : 'selectMany'](element);\r
+ },\r
+\r
+ selectOne: function(element) {\r
+ var value = '', opt, index = element.selectedIndex;\r
+ if (index >= 0) {\r
+ opt = element.options[index];\r
+ value = opt.value || opt.text;\r
+ }\r
+ return [element.name, value];\r
+ },\r
+\r
+ selectMany: function(element) {\r
+ var value = [];\r
+ for (var i = 0; i < element.length; i++) {\r
+ var opt = element.options[i];\r
+ if (opt.selected)\r
+ value.push(opt.value || opt.text);\r
+ }\r
+ return [element.name, value];\r
+ }\r
+}\r
+\r
+/*--------------------------------------------------------------------------*/\r
+\r
+var $F = Form.Element.getValue;\r
+\r
+/*--------------------------------------------------------------------------*/\r
+\r
+Abstract.TimedObserver = function() {}\r
+Abstract.TimedObserver.prototype = {\r
+ initialize: function(element, frequency, callback) {\r
+ this.frequency = frequency;\r
+ this.element = $(element);\r
+ this.callback = callback;\r
+\r
+ this.lastValue = this.getValue();\r
+ this.registerCallback();\r
+ },\r
+\r
+ registerCallback: function() {\r
+ setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);\r
+ },\r
+\r
+ onTimerEvent: function() {\r
+ var value = this.getValue();\r
+ if (this.lastValue != value) {\r
+ this.callback(this.element, value);\r
+ this.lastValue = value;\r
+ }\r
+ }\r
+}\r
+\r
+Form.Element.Observer = Class.create();\r
+Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {\r
+ getValue: function() {\r
+ return Form.Element.getValue(this.element);\r
+ }\r
+});\r
+\r
+Form.Observer = Class.create();\r
+Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {\r
+ getValue: function() {\r
+ return Form.serialize(this.element);\r
+ }\r
+});\r
+\r
+/*--------------------------------------------------------------------------*/\r
+\r
+Abstract.EventObserver = function() {}\r
+Abstract.EventObserver.prototype = {\r
+ initialize: function(element, callback) {\r
+ this.element = $(element);\r
+ this.callback = callback;\r
+\r
+ this.lastValue = this.getValue();\r
+ if (this.element.tagName.toLowerCase() == 'form')\r
+ this.registerFormCallbacks();\r
+ else\r
+ this.registerCallback(this.element);\r
+ },\r
+\r
+ onElementEvent: function() {\r
+ var value = this.getValue();\r
+ if (this.lastValue != value) {\r
+ this.callback(this.element, value);\r
+ this.lastValue = value;\r
+ }\r
+ },\r
+\r
+ registerFormCallbacks: function() {\r
+ var elements = Form.getElements(this.element);\r
+ for (var i = 0; i < elements.length; i++)\r
+ this.registerCallback(elements[i]);\r
+ },\r
+\r
+ registerCallback: function(element) {\r
+ if (element.type) {\r
+ switch (element.type.toLowerCase()) {\r
+ case 'checkbox':\r
+ case 'radio':\r
+ Event.observe(element, 'click', this.onElementEvent.bind(this));\r
+ break;\r
+ default:\r
+ Event.observe(element, 'change', this.onElementEvent.bind(this));\r
+ break;\r
+ }\r
+ }\r
+ }\r
+}\r
+\r
+Form.Element.EventObserver = Class.create();\r
+Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {\r
+ getValue: function() {\r
+ return Form.Element.getValue(this.element);\r
+ }\r
+});\r
+\r
+Form.EventObserver = Class.create();\r
+Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {\r
+ getValue: function() {\r
+ return Form.serialize(this.element);\r
+ }\r
+});\r
+if (!window.Event) {\r
+ var Event = new Object();\r
+}\r
+\r
+Object.extend(Event, {\r
+ KEY_BACKSPACE: 8,\r
+ KEY_TAB: 9,\r
+ KEY_RETURN: 13,\r
+ KEY_ESC: 27,\r
+ KEY_LEFT: 37,\r
+ KEY_UP: 38,\r
+ KEY_RIGHT: 39,\r
+ KEY_DOWN: 40,\r
+ KEY_DELETE: 46,\r
+ KEY_HOME: 36,\r
+ KEY_END: 35,\r
+ KEY_PAGEUP: 33,\r
+ KEY_PAGEDOWN: 34,\r
+\r
+ element: function(event) {\r
+ return event.target || event.srcElement;\r
+ },\r
+\r
+ isLeftClick: function(event) {\r
+ return (((event.which) && (event.which == 1)) ||\r
+ ((event.button) && (event.button == 1)));\r
+ },\r
+\r
+ pointerX: function(event) {\r
+ return event.pageX || (event.clientX +\r
+ (document.documentElement.scrollLeft || document.body.scrollLeft));\r
+ },\r
+\r
+ pointerY: function(event) {\r
+ return event.pageY || (event.clientY +\r
+ (document.documentElement.scrollTop || document.body.scrollTop));\r
+ },\r
+\r
+ stop: function(event) {\r
+ if (event.preventDefault) {\r
+ event.preventDefault();\r
+ event.stopPropagation();\r
+ } else {\r
+ event.returnValue = false;\r
+ event.cancelBubble = true;\r
+ }\r
+ },\r
+\r
+ // find the first node with the given tagName, starting from the\r
+ // node the event was triggered on; traverses the DOM upwards\r
+ findElement: function(event, tagName) {\r
+ var element = Event.element(event);\r
+ while (element.parentNode && (!element.tagName ||\r
+ (element.tagName.toUpperCase() != tagName.toUpperCase())))\r
+ element = element.parentNode;\r
+ return element;\r
+ },\r
+\r
+ observers: false,\r
+\r
+ _observeAndCache: function(element, name, observer, useCapture) {\r
+ if (!this.observers) this.observers = [];\r
+ if (element.addEventListener) {\r
+ this.observers.push([element, name, observer, useCapture]);\r
+ element.addEventListener(name, observer, useCapture);\r
+ } else if (element.attachEvent) {\r
+ this.observers.push([element, name, observer, useCapture]);\r
+ element.attachEvent('on' + name, observer);\r
+ }\r
+ },\r
+\r
+ unloadCache: function() {\r
+ if (!Event.observers) return;\r
+ for (var i = 0; i < Event.observers.length; i++) {\r
+ Event.stopObserving.apply(this, Event.observers[i]);\r
+ Event.observers[i][0] = null;\r
+ }\r
+ Event.observers = false;\r
+ },\r
+\r
+ observe: function(element, name, observer, useCapture) {\r
+ element = $(element);\r
+ useCapture = useCapture || false;\r
+\r
+ if (name == 'keypress' &&\r
+ (navigator.appVersion.match(/Konqueror|Safari|KHTML/)\r
+ || element.attachEvent))\r
+ name = 'keydown';\r
+\r
+ Event._observeAndCache(element, name, observer, useCapture);\r
+ },\r
+\r
+ stopObserving: function(element, name, observer, useCapture) {\r
+ element = $(element);\r
+ useCapture = useCapture || false;\r
+\r
+ if (name == 'keypress' &&\r
+ (navigator.appVersion.match(/Konqueror|Safari|KHTML/)\r
+ || element.detachEvent))\r
+ name = 'keydown';\r
+\r
+ if (element.removeEventListener) {\r
+ element.removeEventListener(name, observer, useCapture);\r
+ } else if (element.detachEvent) {\r
+ try {\r
+ element.detachEvent('on' + name, observer);\r
+ } catch (e) {}\r
+ }\r
+ }\r
+});\r
+\r
+/* prevent memory leaks in IE */\r
+if (navigator.appVersion.match(/\bMSIE\b/))\r
+ Event.observe(window, 'unload', Event.unloadCache, false);\r
+var Position = {\r
+ // set to true if needed, warning: firefox performance problems\r
+ // NOT neeeded for page scrolling, only if draggable contained in\r
+ // scrollable elements\r
+ includeScrollOffsets: false,\r
+\r
+ // must be called before calling withinIncludingScrolloffset, every time the\r
+ // page is scrolled\r
+ prepare: function() {\r
+ this.deltaX = window.pageXOffset\r
+ || document.documentElement.scrollLeft\r
+ || document.body.scrollLeft\r
+ || 0;\r
+ this.deltaY = window.pageYOffset\r
+ || document.documentElement.scrollTop\r
+ || document.body.scrollTop\r
+ || 0;\r
+ },\r
+\r
+ realOffset: function(element) {\r
+ var valueT = 0, valueL = 0;\r
+ do {\r
+ valueT += element.scrollTop || 0;\r
+ valueL += element.scrollLeft || 0;\r
+ element = element.parentNode;\r
+ } while (element);\r
+ return [valueL, valueT];\r
+ },\r
+\r
+ cumulativeOffset: function(element) {\r
+ var valueT = 0, valueL = 0;\r
+ do {\r
+ valueT += element.offsetTop || 0;\r
+ valueL += element.offsetLeft || 0;\r
+ element = element.offsetParent;\r
+ } while (element);\r
+ return [valueL, valueT];\r
+ },\r
+\r
+ positionedOffset: function(element) {\r
+ var valueT = 0, valueL = 0;\r
+ do {\r
+ valueT += element.offsetTop || 0;\r
+ valueL += element.offsetLeft || 0;\r
+ element = element.offsetParent;\r
+ if (element) {\r
+ p = Element.getStyle(element, 'position');\r
+ if (p == 'relative' || p == 'absolute') break;\r
+ }\r
+ } while (element);\r
+ return [valueL, valueT];\r
+ },\r
+\r
+ offsetParent: function(element) {\r
+ if (element.offsetParent) return element.offsetParent;\r
+ if (element == document.body) return element;\r
+\r
+ while ((element = element.parentNode) && element != document.body)\r
+ if (Element.getStyle(element, 'position') != 'static')\r
+ return element;\r
+\r
+ return document.body;\r
+ },\r
+\r
+ // caches x/y coordinate pair to use with overlap\r
+ within: function(element, x, y) {\r
+ if (this.includeScrollOffsets)\r
+ return this.withinIncludingScrolloffsets(element, x, y);\r
+ this.xcomp = x;\r
+ this.ycomp = y;\r
+ this.offset = this.cumulativeOffset(element);\r
+\r
+ return (y >= this.offset[1] &&\r
+ y < this.offset[1] + element.offsetHeight &&\r
+ x >= this.offset[0] &&\r
+ x < this.offset[0] + element.offsetWidth);\r
+ },\r
+\r
+ withinIncludingScrolloffsets: function(element, x, y) {\r
+ var offsetcache = this.realOffset(element);\r
+\r
+ this.xcomp = x + offsetcache[0] - this.deltaX;\r
+ this.ycomp = y + offsetcache[1] - this.deltaY;\r
+ this.offset = this.cumulativeOffset(element);\r
+\r
+ return (this.ycomp >= this.offset[1] &&\r
+ this.ycomp < this.offset[1] + element.offsetHeight &&\r
+ this.xcomp >= this.offset[0] &&\r
+ this.xcomp < this.offset[0] + element.offsetWidth);\r
+ },\r
+\r
+ // within must be called directly before\r
+ overlap: function(mode, element) {\r
+ if (!mode) return 0;\r
+ if (mode == 'vertical')\r
+ return ((this.offset[1] + element.offsetHeight) - this.ycomp) /\r
+ element.offsetHeight;\r
+ if (mode == 'horizontal')\r
+ return ((this.offset[0] + element.offsetWidth) - this.xcomp) /\r
+ element.offsetWidth;\r
+ },\r
+\r
+ page: function(forElement) {\r
+ var valueT = 0, valueL = 0;\r
+\r
+ var element = forElement;\r
+ do {\r
+ valueT += element.offsetTop || 0;\r
+ valueL += element.offsetLeft || 0;\r
+\r
+ // Safari fix\r
+ if (element.offsetParent==document.body)\r
+ if (Element.getStyle(element,'position')=='absolute') break;\r
+\r
+ } while (element = element.offsetParent);\r
+\r
+ element = forElement;\r
+ do {\r
+ if (!window.opera || element.tagName=='BODY') {\r
+ valueT -= element.scrollTop || 0;\r
+ valueL -= element.scrollLeft || 0;\r
+ }\r
+ } while (element = element.parentNode);\r
+\r
+ return [valueL, valueT];\r
+ },\r
+\r
+ clone: function(source, target) {\r
+ var options = Object.extend({\r
+ setLeft: true,\r
+ setTop: true,\r
+ setWidth: true,\r
+ setHeight: true,\r
+ offsetTop: 0,\r
+ offsetLeft: 0\r
+ }, arguments[2] || {})\r
+\r
+ // find page position of source\r
+ source = $(source);\r
+ var p = Position.page(source);\r
+\r
+ // find coordinate system to use\r
+ target = $(target);\r
+ var delta = [0, 0];\r
+ var parent = null;\r
+ // delta [0,0] will do fine with position: fixed elements,\r
+ // position:absolute needs offsetParent deltas\r
+ if (Element.getStyle(target,'position') == 'absolute') {\r
+ parent = Position.offsetParent(target);\r
+ delta = Position.page(parent);\r
+ }\r
+\r
+ // correct by body offsets (fixes Safari)\r
+ if (parent == document.body) {\r
+ delta[0] -= document.body.offsetLeft;\r
+ delta[1] -= document.body.offsetTop;\r
+ }\r
+\r
+ // set position\r
+ if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';\r
+ if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';\r
+ if(options.setWidth) target.style.width = source.offsetWidth + 'px';\r
+ if(options.setHeight) target.style.height = source.offsetHeight + 'px';\r
+ },\r
+\r
+ absolutize: function(element) {\r
+ element = $(element);\r
+ if (element.style.position == 'absolute') return;\r
+ Position.prepare();\r
+\r
+ var offsets = Position.positionedOffset(element);\r
+ var top = offsets[1];\r
+ var left = offsets[0];\r
+ var width = element.clientWidth;\r
+ var height = element.clientHeight;\r
+\r
+ element._originalLeft = left - parseFloat(element.style.left || 0);\r
+ element._originalTop = top - parseFloat(element.style.top || 0);\r
+ element._originalWidth = element.style.width;\r
+ element._originalHeight = element.style.height;\r
+\r
+ element.style.position = 'absolute';\r
+ element.style.top = top + 'px';;\r
+ element.style.left = left + 'px';;\r
+ element.style.width = width + 'px';;\r
+ element.style.height = height + 'px';;\r
+ },\r
+\r
+ relativize: function(element) {\r
+ element = $(element);\r
+ if (element.style.position == 'relative') return;\r
+ Position.prepare();\r
+\r
+ element.style.position = 'relative';\r
+ var top = parseFloat(element.style.top || 0) - (element._originalTop || 0);\r
+ var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);\r
+\r
+ element.style.top = top + 'px';\r
+ element.style.left = left + 'px';\r
+ element.style.height = element._originalHeight;\r
+ element.style.width = element._originalWidth;\r
+ }\r
+}\r
+\r
+// Safari returns margins on body which is incorrect if the child is absolutely\r
+// positioned. For performance reasons, redefine Position.cumulativeOffset for\r
+// KHTML/WebKit only.\r
+if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {\r
+ Position.cumulativeOffset = function(element) {\r
+ var valueT = 0, valueL = 0;\r
+ do {\r
+ valueT += element.offsetTop || 0;\r
+ valueL += element.offsetLeft || 0;\r
+ if (element.offsetParent == document.body)\r
+ if (Element.getStyle(element, 'position') == 'absolute') break;\r
+\r
+ element = element.offsetParent;\r
+ } while (element);\r
+\r
+ return [valueL, valueT];\r
+ }\r
+}\r
+\r
Element.addMethods();
\ No newline at end of file
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