var avScroll=new Class({options:{imgWidth:0,scrollRange:0,leftHandle:null,rightHandle:null,container:null,leftClicks:0,rightClicks:0,speed:500},initialize:function(options){this.setOptions(options)
this.imgWidth=options['imgWidth'];this.scrollRange=options['scrollRange'];this.leftHandle=options['leftHandle'];this.rightHandle=options['rightHandle'];this.container=$(options['container']);if($(options['ff'])){this.ff=$(options['ff']);$(this.ff).addEvent('click',this.fastForward.bindWithEvent(this));}
if($(options['rw'])){this.rw=$(options['rw']);$(this.rw).addEvent('click',this.speedReverse.bindWithEvent(this));}
this.leftClicks=0;this.rightClicks=0;this.speed=options['speed'];$(this.leftHandle).addEvent('click',this.leftClick.bindWithEvent(this));$(this.rightHandle).addEvent('click',this.rightClick.bindWithEvent(this));},leftClick:function(){if(this.leftClicks>0){var start=this.leftClicks*this.imgWidth;var end=(this.leftClicks-1)*this.imgWidth;$(this.container).effect('right',{duration:this.speed,wait:true,transition:Fx.Transitions.Back.easeIn}).start(start,end);this.leftClicks--;}},rightClick:function(){var start=this.leftClicks*this.imgWidth;var end=(this.leftClicks*this.imgWidth)+this.imgWidth;$(this.container).effect('right',{duration:this.speed,wait:true,transition:Fx.Transitions.Back.easeIn}).start(start,end);this.leftClicks++;},fastForward:function(){var start=(this.leftClicks)*this.imgWidth;var end=((this.leftClicks+4)*this.imgWidth);$(this.container).effect('right',{duration:this.speed,wait:true,transition:Fx.Transitions.Back.easeIn}).start(start,end);this.leftClicks=this.leftClicks+4;},speedReverse:function(){var start=(this.leftClicks*this.imgWidth);var end=((this.leftClicks-4)*this.imgWidth);$(this.container).effect('right',{duration:this.speed,wait:true,transition:Fx.Transitions.Back.easeIn}).start(start,end);this.leftClicks-=4;}});avScroll.implement(new Options,new Events);