+ validates :speech_balloon_id, :numericality => {:allow_blank => true}
+ validates :speech_balloon_template_id, :presence => true, :numericality => true, :existence => {:both => false}
+ validates :speech_balloon_template_classname, :presence => true, :length => {:maximum => 50}
+ validates :system_picture_id, :presence => true, :numericality => true, :existence => {:both => false}
+ validates :x, :presence => true, :numericality => true
+ validates :y, :presence => true, :numericality => true
+ validates :width, :presence => true, :numericality => true, :natural_number => true
+ validates :height, :presence => true, :numericality => true, :natural_number => true
+ validates :r, :presence => true, :numericality => true
+# validates :caption, :presence => true
+ validates :speech_balloon_template_settings, :boost => {:boost_name => :speech_balloon_template}
+