if(typeof Prototype=="undefined"||!Prototype.Version.match("1.6")){throw ("Prototype-UI library require Prototype library >= 1.6.0");}if(Prototype.Browser.WebKit){Prototype.Browser.WebKitVersion=parseFloat(navigator.userAgent.match(/AppleWebKit\/([\d\.\+]*)/)[1]);Prototype.Browser.Safari2=(Prototype.Browser.WebKitVersion<420);}if(Prototype.Browser.IE){Prototype.Browser.IEVersion=parseFloat(navigator.appVersion.split(";")[1].strip().split(" ")[1]);Prototype.Browser.IE6=Prototype.Browser.IEVersion==6;Prototype.Browser.IE7=Prototype.Browser.IEVersion==7;}Prototype.falseFunction=function(){return false;};Prototype.trueFunction=function(){return true;};var UI={Abstract:{},Ajax:{}};Object.extend(Class.Methods,{extend:Object.extend.methodize(),addMethods:Class.Methods.addMethods.wrap(function(proceed,source){if(!source){return this;}if(!source.hasOwnProperty("methodsAdded")){return proceed(source);}var callback=source.methodsAdded;delete source.methodsAdded;proceed(source);callback.call(source,this);source.methodsAdded=callback;return this;}),addMethod:function(name,lambda){var methods={};methods[name]=lambda;return this.addMethods(methods);},method:function(name){return this.prototype[name].valueOf();},classMethod:function(){$A(arguments).flatten().each(function(method){this[method]=(function(){return this[method].apply(this,arguments);}).bind(this.prototype);},this);return this;},undefMethod:function(name){this.prototype[name]=undefined;return this;},removeMethod:function(name){delete this.prototype[name];return this;},aliasMethod:function(newName,name){this.prototype[newName]=this.prototype[name];return this;},aliasMethodChain:function(target,feature){feature=feature.camelcase();this.aliasMethod(target+"Without"+feature,target);this.aliasMethod(target,target+"With"+feature);return this;}});Object.extend(Number.prototype,{snap:function(round){return parseInt(round==1?this:(this/round).floor()*round);}});Object.extend(String.prototype,{camelcase:function(){var string=this.dasherize().camelize();return string.charAt(0).toUpperCase()+string.slice(1);},makeElement:function(){var wrapper=new Element("div");wrapper.innerHTML=this;return wrapper.down();}});Object.extend(Array.prototype,{empty:function(){return !this.length;},extractOptions:function(){return this.last().constructor===Object?this.pop():{};},removeAt:function(index){var object=this[index];this.splice(index,1);return object;},remove:function(object){var index;while((index=this.indexOf(object))!=-1){this.removeAt(index);}return object;},insert:function(index){var args=$A(arguments);args.shift();this.splice.apply(this,[index,0].concat(args));return this;}});Element.addMethods({getScrollDimensions:function(element){return{width:element.scrollWidth,height:element.scrollHeight};},getScrollOffset:function(element){return Element._returnOffset(element.scrollLeft,element.scrollTop);},setScrollOffset:function(element,offset){element=$(element);if(arguments.length==3){offset={left:offset,top:arguments[2]};}element.scrollLeft=offset.left;element.scrollTop=offset.top;return element;},getNumStyle:function(element,style){var value=parseFloat($(element).getStyle(style));return isNaN(value)?null:value;},appendText:function(element,text){element=$(element);text=String.interpret(text);element.appendChild(document.createTextNode(text));return element;}});document.whenReady=function(callback){if(document.loaded){callback.call(document);}else{document.observe("dom:loaded",callback);}};Object.extend(document.viewport,{getScrollOffset:document.viewport.getScrollOffsets,setScrollOffset:function(offset){Element.setScrollOffset(Prototype.Browser.WebKit?document.body:document.documentElement,offset);},getScrollDimensions:function(){return Element.getScrollDimensions(Prototype.Browser.WebKit?document.body:document.documentElement);}});(function(){UI.Options={methodsAdded:function(klass){klass.classMethod($w(" setOptions allOptions optionsGetter optionsSetter optionsAccessor "));},setOptions:function(options){if(!this.hasOwnProperty("options")){this.options=this.allOptions();}this.options=Object.extend(this.options,options||{});},allOptions:function(){var superclass=this.constructor.superclass,ancestor=superclass&&superclass.prototype;return(ancestor&&ancestor.allOptions)?Object.extend(ancestor.allOptions(),this.options):Object.clone(this.options);},optionsGetter:function(){addOptionsAccessors(this,arguments,false);},optionsSetter:function(){addOptionsAccessors(this,arguments,true);},optionsAccessor:function(){this.optionsGetter.apply(this,arguments);this.optionsSetter.apply(this,arguments);}};function addOptionsAccessors(receiver,names,areSetters){names=$A(names).flatten();if(names.empty()){names=Object.keys(receiver.allOptions());}names.each(function(name){var accessorName=(areSetters?"set":"get")+name.camelcase();receiver[accessorName]=receiver[accessorName]||(areSetters?function(value){return this.options[name]=value;}:function(){return this.options[name];});});}})();UI.Carousel=Class.create(UI.Options,{options:{direction:"horizontal",previousButton:".previous_button",nextButton:".next_button",container:".container",scrollInc:"auto",disabledButtonSuffix:"_disabled",overButtonSuffix:"_over"},initialize:function(element,options){this.setOptions(options);this.element=$(element);this.id=this.element.id;this.container=this.element.down(this.options.container).firstDescendant();this.elements=this.container.childElements();this.previousButton=this.options.previousButton==false?null:this.element.down(this.options.previousButton);this.nextButton=this.options.nextButton==false?null:this.element.down(this.options.nextButton);this.posAttribute=(this.options.direction=="horizontal"?"left":"top");this.dimAttribute=(this.options.direction=="horizontal"?"width":"height");this.elementSize=this.computeElementSize();this.nbVisible=this.currentSize()/this.elementSize;var scrollInc=this.options.scrollInc;if(scrollInc=="auto"){scrollInc=Math.floor(this.nbVisible);}[this.previousButton,this.nextButton].each(function(button){if(!button){return;}var className=(button==this.nextButton?"next_button":"previous_button")+this.options.overButtonSuffix;button.clickHandler=this.scroll.bind(this,(button==this.nextButton?-1:1)*scrollInc*this.elementSize);button.observe("click",button.clickHandler).observe("mouseover",function(){button.addClassName(className);}.bind(this)).observe("mouseout",function(){button.removeClassName(className);}.bind(this));},this);this.updateButtons();},destroy:function($super){[this.previousButton,this.nextButton].each(function(button){if(!button){return;}button.stopObserving("click",button.clickHandler);},this);this.element.remove();this.fire("destroyed");},fire:function(eventName,memo){memo=memo||{};memo.carousel=this;return this.element.fire("carousel:"+eventName,memo);},observe:function(eventName,handler){this.element.observe("carousel:"+eventName,handler.bind(this));return this;},stopObserving:function(eventName,handler){this.element.stopObserving("carousel:"+eventName,handler);return this;},checkScroll:function(position,updatePosition){if(position>0){position=0;}else{var limit=this.elements.last().positionedOffset()[this.posAttribute]+this.elementSize;var carouselSize=this.currentSize();if(position+limit<carouselSize){position+=carouselSize-(position+limit);}position=Math.min(position,0);}if(updatePosition){this.container.style[this.posAttribute]=position+"px";}return position;},scroll:function(deltaPixel){if(this.animating){return this;}var position=this.currentPosition()+deltaPixel;position=this.checkScroll(position,false);deltaPixel=position-this.currentPosition();if(deltaPixel!=0){this.animating=true;this.fire("scroll:started");var that=this;this.container.morph("opacity:0.5",{duration:0.2,afterFinish:function(){that.container.morph(that.posAttribute+": "+position+"px",{duration:0.4,delay:0.2,afterFinish:function(){that.container.morph("opacity:1",{duration:0.2,afterFinish:function(){that.animating=false;that.updateButtons().fire("scroll:ended",{shift:deltaPixel/that.currentSize()});}});}});}});}return this;},scrollTo:function(index){if(this.animating||index<0||index>this.elements.length||index==this.currentIndex()||isNaN(parseInt(index))){return this;}return this.scroll((this.currentIndex()-index)*this.elementSize);},updateButtons:function(){this.updatePreviousButton();this.updateNextButton();return this;},updatePreviousButton:function(){var position=this.currentPosition();var previousClassName="previous_button"+this.options.disabledButtonSuffix;if(this.previousButton.hasClassName(previousClassName)&&position!=0){this.previousButton.removeClassName(previousClassName);this.fire("previousButton:enabled");}if(!this.previousButton.hasClassName(previousClassName)&&position==0){this.previousButton.addClassName(previousClassName);this.fire("previousButton:disabled");}},updateNextButton:function(){var lastPosition=this.currentLastPosition();var size=this.currentSize();var nextClassName="next_button"+this.options.disabledButtonSuffix;if(this.nextButton.hasClassName(nextClassName)&&lastPosition!=size){this.nextButton.removeClassName(nextClassName);this.fire("nextButton:enabled");}if(!this.nextButton.hasClassName(nextClassName)&&lastPosition==size){this.nextButton.addClassName(nextClassName);this.fire("nextButton:disabled");}},computeElementSize:function(){return this.elements.first().getDimensions()[this.dimAttribute];},currentIndex:function(){return -this.currentPosition()/this.elementSize;},currentLastPosition:function(){if(this.container.childElements().empty()){return 0;}return this.currentPosition()+this.elements.last().positionedOffset()[this.posAttribute]+this.elementSize;},currentPosition:function(){return this.container.getNumStyle(this.posAttribute);},currentSize:function(){return this.container.parentNode.getDimensions()[this.dimAttribute];},updateSize:function(){this.nbVisible=this.currentSize()/this.elementSize;var scrollInc=this.options.scrollInc;if(scrollInc=="auto"){scrollInc=Math.floor(this.nbVisible);}[this.previousButton,this.nextButton].each(function(button){if(!button){return;}button.stopObserving("click",button.clickHandler);button.clickHandler=this.scroll.bind(this,(button==this.nextButton?-1:1)*scrollInc*this.elementSize);button.observe("click",button.clickHandler);},this);this.checkScroll(this.currentPosition(),true);this.updateButtons().fire("sizeUpdated");return this;}});UI.Ajax.Carousel=Class.create(UI.Carousel,{options:{elementSize:-1,url:null},initialize:function($super,element,options){if(!options.url){throw ("url option is required for UI.Ajax.Carousel");}if(!options.elementSize){throw ("elementSize option is required for UI.Ajax.Carousel");}$super(element,options);this.endIndex=0;this.hasMore=true;this.updateHandler=this.update.bind(this);this.updateAndScrollHandler=function(nbElements,transport,json){this.update(transport,json);this.scroll(nbElements);}.bind(this);this.runRequest.bind(this).defer({parameters:{from:0,to:Math.ceil(this.nbVisible)-1},onSuccess:this.updateHandler});},runRequest:function(options){this.requestRunning=true;new Ajax.Request(this.options.url,Object.extend({method:"GET"},options));this.fire("request:started");return this;},scroll:function($super,deltaPixel){if(this.animating||this.requestRunning){return this;}var nbElements=(-deltaPixel)/this.elementSize;if(this.hasMore&&nbElements>0&&this.currentIndex()+this.nbVisible+nbElements-1>this.endIndex){var from=this.endIndex+1;var to=Math.ceil(from+this.nbVisible-1);this.runRequest({parameters:{from:from,to:to},onSuccess:this.updateAndScrollHandler.curry(deltaPixel).bind(this)});return this;}else{$super(deltaPixel);}},update:function(transport,json){this.requestRunning=false;this.fire("request:ended");if(!json){json=transport.responseJSON;}this.hasMore=json.more;this.endIndex=Math.max(this.endIndex,json.to);this.elements=this.container.insert({bottom:json.html}).childElements();return this.updateButtons();},computeElementSize:function(){return this.options.elementSize;},updateSize:function($super){var nbVisible=this.nbVisible;$super();if(Math.floor(this.nbVisible)-Math.floor(nbVisible)>=1&&this.hasMore){if(this.currentIndex()+Math.floor(this.nbVisible)>=this.endIndex){var nbNew=Math.floor(this.currentIndex()+Math.floor(this.nbVisible)-this.endIndex);this.runRequest({parameters:{from:this.endIndex+1,to:this.endIndex+nbNew},onSuccess:this.updateHandler});}}return this;},updateNextButton:function($super){var lastPosition=this.currentLastPosition();var size=this.currentSize();var nextClassName="next_button"+this.options.disabledButtonSuffix;if(this.nextButton.hasClassName(nextClassName)&&lastPosition!=size){this.nextButton.removeClassName(nextClassName);this.fire("nextButton:enabled");}if(!this.nextButton.hasClassName(nextClassName)&&lastPosition==size&&!this.hasMore){this.nextButton.addClassName(nextClassName);this.fire("nextButton:disabled");}}});document.observe("dom:loaded",function(){addCompareToolTip("add-compare");});