var Loop=new Class({loopCount:0,isStopped:true,isLooping:false,loopMethod:$empty,setLoop:function(fn,delay){if(this.isLooping)this.stopLoop();this.loopMethod=fn;this.loopDelay=delay||3000;return this;},stopLoop:function(){this.isStopped=true;this.isLooping=false;$clear(this.periodical);return this;},startLoop:function(delay){if(this.isStopped){var delay=(delay)?delay:this.loopDelay;this.isStopped=false;this.isLooping=true;this.periodical=this.looper.periodical(delay,this);}
return this;},resetLoop:function(){this.loopCount=0;return this;},looper:function(){this.loopCount++;this.loopMethod(this.loopCount);return this;}});var InfiniteTicker=new Class({Extends:Fx.Scroll,Implements:Loop,options:{direction:'down',childSelector:false,delay:4000,autostart:true,autoCorrectSize:true},pad:0,initialize:function(element,options){this.parent(element,options);this.cacheElements();if(this.options.autoCorrectSize)this.correct('margin');this.toNext=this.progress;this
.moveElement()
.setLoop(this.progress,this.options.delay)
.checkAutoStart()
.addEvent('onComplete',this.moveElement.bind(this));},cacheElements:function(){var cs=this.options.childSelector,els;if(cs){els=this.element.getElements(cs);}else if(this.options.direction=='left'||this.options.direction=='right'){els=this.element.getElement('*').getChildren();}else{els=this.element.getChildren();}
this.elements=els;this.elementsSize=this.elements[0].getSize();this.scrollSize=this.element.getScrollSize();return this;},correct:function(prop){var d=this.options.direction;var props=this.elements[0]
.getStyle(prop)
.split(' ')
.map(function(item){return item.toInt();});if(props.join(' ')!='0 0 0 0'){if(d=='left'||d=='right'){this.pad+=(props[1]==0)?props[3]:props[1];}else{this.pad+=(props[0]==0)?props[2]:props[0];};};return this;},checkAutoStart:function(){if(this.options.autostart)this.startLoop();return this;},reverse:function(){var r={up:'down',down:'up',right:'left',left:'right'};this.options.direction=r[this.options.direction];this.moveElement();return this;},progress:function(){var scroll=this.element.getScroll();switch(this.options.direction){case'down':this.start(0,scroll.y-this.elementsSize.y-this.pad);break;case'up':this.start(0,scroll.y+this.elementsSize.y+this.pad);break;case'right':this.start(scroll.x-this.elementsSize.x-this.pad,0);break;case'left':this.start(scroll.x+this.elementsSize.x+this.pad,0);break;};},moveElement:function(){this.cacheElements();switch(this.options.direction){case'down':this.elements.getLast().dispose().inject(this.elements[0],'before');this.set(0,this.scrollSize.y);break;case'up':this.elements[0].dispose().inject(this.elements.getLast(),'after');this.set(0,0);break;case'right':this.elements.getLast().dispose().inject(this.elements[0],'before');this.set(this.scrollSize.x,0);break;case'left':this.elements[0].dispose().inject(this.elements.getLast(),'after');this.set(0,0);break;};return this;}});