Fx.ProgressBar=new Class({Extends:Fx,options:{text:null,url:null,transition:Fx.Transitions.Circ.easeOut,fit:true,link:'cancel'},initialize:function(element,options){this.element=$(element);this.parent(options);var url=this.options.url;if(url){this.element.setStyles({'background-image':'url('+url+')','background-repeat':'no-repeat'});}
if(this.options.fit){url=url||this.element.getStyle('background-image').replace(/^url\(["']?|["']?\)$/g,'');if(url){var fill=new Image();fill.onload=function(){this.fill=fill.width;fill=fill.onload=null;this.set(this.now||0);}.bind(this);fill.src=url;if(!this.fill&&fill.width)fill.onload();}}else{this.set(0);}},start:function(to,total){return this.parent(this.now,(arguments.length==1)?to.limit(0,100):to/total*100);},set:function(to){this.now=to;var css=(this.fill)?(((this.fill/-2)+(to/100)*(this.element.width||1)||0).round()+'px'):((100-to)+'%');this.element.setStyle('backgroundPosition',css+' 0px').title=Math.round(to)+'%';var text=$(this.options.text);if(text)text.set('text',Math.round(to)+'%');return this;}});