var SpecialOffer=Class.create({initialize:function(elementId){this.elementId=elementId;this.period=10;this.current=0;this.items=$(this.elementId).select('li');this.pe=new PeriodicalExecuter(this.showNext.bindAsEventListener(this),this.period);},showNext:function(e){this.next=(this.current+1)%this.items.length;Effect.Fade(this.items[this.current]);Effect.Appear(this.items[this.next]);this.current=this.next;}});document.observe('dom:loaded',function(){if($('special-offer')){new SpecialOffer('special-offer');}});