// Imagerefresh class (Based in mootools of course)
var imgrefresh = new Class({   
    Implements: [Options],
                    
    initialize: function(options){    
      this.options=options;
      this.options.imagesrc=$(this.options.imageid).src;  
      this.refresh.bind(this).periodical(this.options.countdown);                           
  	},
  	
  	refresh: function() {    	   
  	   $(this.options.imageid).src=this.options.imagesrc+'?'+$time();    	   
  	}
});