var SlideList=new Class({initialize:function(b,a){this.setOptions(this.getOptions(),a);this.menu=$(b),this.current=this.menu.getElement("li.ct");this.menu.getElements("li").each(function(c){c.addEvent("mouseover",function(){this.moveBg(c)}.bind(this));c.addEvent("mouseout",function(){this.moveBg(this.current)}.bind(this));c.addEvent("click",function(d){this.clickItem(d,c)}.bind(this))}.bind(this));this.back=new Element("li").addClass("background").adopt(new Element("div").addClass("left")).injectInside(this.menu);this.back.fx=this.back.effects(this.options);if(this.current){this.setCurrent(this.current)}},setCurrent:function(b,a){this.back.setStyles({left:(b.offsetLeft)+"px",width:(b.offsetWidth)+"px"});(a)?this.back.effect("opacity").set(0).start(1):this.back.setOpacity(1);this.current=b},getOptions:function(){return{transition:Fx.Transitions.sineInOut,duration:500,wait:false,onclick:Class.empty}},clickItem:function(b,a){if(!this.current){this.setCurrent(a,true)}this.current=a;this.options.onClick(new Event(b),a)},moveBg:function(a){if(!this.current){return}this.back.fx.custom({left:[this.back.offsetLeft,a.offsetLeft],width:[this.back.offsetWidth,a.offsetWidth]})}});SlideList.implement(new Options);