var shuffleText=new Class({Implements:[Events,Options],options:{onStart:$empty,onComplete:$empty,duration:500,fps:50},initialize:function(el,options){this.setOptions(options);this.options.duration=this.options.duration.toInt();this.el=$(el);},shuffle:function(){var time=$time();if(time<this.time+this.options.duration){var shuffledText=this.text.shuffle().join('');this.el.set('text',shuffledText);}
else{this.el.set('text',this.oriText);this.complete();}},start:function(){if(this.timer)return this;this.oriText=this.el.get('text');this.text=this.oriText.split('');this.time=0;this.startTimer();this.onStart();return this;},complete:function(){return(!this.stopTimer())?this:this.onComplete();},onStart:function(){return this.fireEvent('onStart');},onComplete:function(){return this.fireEvent('onComplete');},stopTimer:function(){if(!this.timer)return false;this.timer=$clear(this.timer);return true;},startTimer:function(){if(this.timer)return false;this.time=$time()-this.time;this.timer=this.shuffle.periodical(Math.round(1000/this.options.fps),this);return true;}});Array.implement({shuffle:function(){var temp;for(var i=this.length-1;i>0;i--){var j=$random(0,i);temp=this[i];this[i]=this[j];this[j]=temp;}
return this;}});