var mooFader = new Class({  
   
     Implements: [Events, Options],  
   
     options:{  
         duration: 2000,  
         fade: 1000  
     },  
   
     initialize: function(el,im,options) {  
         this.setOptions(options);  
         this.holder = $(el);  
         if(!this.holder) return;  
         this.starter = this.holder.getElement('img');  
         this.starter.setStyle('position','absolute');  
         this.im = im;  
         this.faders = [];  
         this.images = im.length;  
         this.counter = 0;  
         this.change.periodical(this.options.duration,this);  
         new Asset.image(this.im[this.counter]);  
     },  
   
     change: function(){  
         if(this.counter > this.images-1) this.counter = 0;  
         var img = new Element('img',{  
             'src'   : this.im[this.counter],  
             'styles': { 'position':'absolute' }  
         }).injectTop(this.holder);  
         var fader = img.getNext();  
         new Fx.Tween(fader,{ duration:this.options.fade, onComplete: function(el){ fader.dispose(); } }).start('opacity', 1, 0);  
         this.counter++;  
         //new Asset.image(this.im[this.counter]);  
     }  
 });