var Diaporama=new Class({Implements:Options,currentIndex:-1,image:null,options:{id:"",width:0,height:0,photos:{}},initialize:function(a){this.setOptions(a);this.image=$(this.options.id);this.image.set("tween",{duration:"long"});this.image.setStyle("background","white url(/medias/loader.gif) no-repeat center center");this.next();this.next.periodical(4000,this)},next:function(){this.currentIndex++;this.currentIndex=this.currentIndex%this.options.photos.length;new Asset.image(this.options.photos[this.currentIndex],{onload:this.imageReady.bind(this)});if(this.currentIndex<this.options.photos.length-1){new Asset.image(this.options.photos[this.currentIndex+1])}},imageReady:function(){this.image.fade("hide");this.image.src=this.options.photos[this.currentIndex];this.image.fade("in")}});