var MultipleOpenAccordion=new Class({Implements:[Options,Events,Chain],options:{togglers:[],elements:[],openAll:false,firstElementsOpen:[0],fixedHeight:false,fixedWidth:false,height:true,opacity:true,width:false,onActive:function(toggler){toggler.removeClass("togclosed");},onBackground:function(toggler){toggler.addClass("togclosed");}},togglers:[],elements:[],initialize:function(options){var args=Array.link(arguments,{options:Object.type,elements:Array.type});this.setOptions(args.options);elements=$$(this.options.elements);$$(this.options.togglers).each(function(toggler,idx){this.addSection(toggler,elements[idx],idx);},this);if(this.togglers.length){if(this.options.openAll){this.showAll();}else{this.toggleSections(this.options.firstElementsOpen,false,true);}}this.openSections=this.showSections.bind(this);this.closeSections=this.hideSections.bind(this);},addSection:function(toggler,element){toggler=document.id(toggler);element=document.id(element);var test=this.togglers.contains(toggler);var len=this.togglers.length;this.togglers.include(toggler);this.elements.include(element);var idx=this.togglers.indexOf(toggler);toggler.addEvent("click",this.toggleSection.bind(this,idx));var mode;if(this.options.height&&this.options.width){mode="both";}else{mode=(this.options.height)?"vertical":"horizontal";}element.store("reveal",new Fx.Reveal(element,{transitionOpacity:this.options.opacity,mode:mode,heightOverride:this.options.fixedHeight,widthOverride:this.options.fixedWidth}));return this;},onComplete:function(idx,callChain){this.fireEvent(this.elements[idx].isDisplayed()?"onActive":"onBackground",[this.togglers[idx],this.elements[idx]]);this.callChain();return this;},showSection:function(idx,useFx){this.toggleSection(idx,useFx,true);},hideSection:function(idx,useFx){this.toggleSection(idx,useFx,false);},toggleSection:function(idx,useFx,show,callChain){var method=show?"reveal":$defined(show)?"dissolve":"toggle";callChain=$pick(callChain,true);var el=this.elements[idx];if($pick(useFx,true)){el.retrieve("reveal")[method]().chain(this.onComplete.bind(this,[idx,callChain]));}else{if(method=="toggle"){el.togglek();}else{el[method=="reveal"?"show":"hide"]();}this.onComplete(idx,callChain);}return this;},toggleAll:function(useFx,show){var method=show?"reveal":$chk(show)?"disolve":"toggle";var last=this.elements.getLast();this.elements.each(function(el,idx){this.toggleSection(idx,useFx,show,el==last);},this);return this;},toggleSections:function(sections,useFx,show){last=sections.getLast();this.elements.each(function(el,idx){this.toggleSection(idx,useFx,sections.contains(idx)?show:!show,idx==last);},this);return this;},showSections:function(sections,useFx){sections.each(function(i){this.showSection(i,useFx);},this);},hideSections:function(sections,useFx){sections.each(function(i){this.hideSection(i,useFx);},this);},showAll:function(useFx){return this.toggleAll(useFx,true);},hideAll:function(useFx){return this.toggleAll(useFx,false);}});