var QScroller=new Class({options:{slides:'qslide',direction:'h',duration:6000,auto:false,delay:1000,transition:Fx.Transitions.linear},initialize:function(wrapper,options){this.setOptions(options);this.wrapper=$(wrapper);this.wrapper.setStyles({position:'relative',overflow:'hidden'});this.wrapper.addEvent('mouseenter',this.fireEvent.pass('onMouseEnter',this));this.wrapper.addEvent('mouseleave',this.fireEvent.pass('onMouseLeave',this));this.slideOut=new Element('div').setStyles({position:'absolute',overflow:'hidden',top:0,left:0,width:this.wrapper.getStyle('width'),height:this.wrapper.getStyle('height')}).injectInside(this.wrapper);this.slideIn=this.slideOut.clone();this.slideIn.injectInside(this.wrapper);this.slides=$$('.'+this.options.slides);if($defined(this.options.buttons)){if($defined(this.options.buttons.next)){$(this.options.buttons.next).addEvent('click',this.next.bind(this))}if($defined(this.options.buttons.prev)){$(this.options.buttons.prev).addEvent('click',this.prev.bind(this))}if($defined(this.options.buttons.play)){$(this.options.buttons.play).addEvent('click',this.play.bind(this))}if($defined(this.options.buttons.stop)){$(this.options.buttons.stop).addEvent('click',this.stop.bind(this))}}this.auto=this.options.auto;this.idxSlide=0;this.step=0;this.isFirst=true},load:function(){if(!this.isFirst){this.idxSlide+=this.step;if(this.idxSlide>this.slides.length-1){this.idxSlide=0}else if(this.idxSlide<0){this.idxSlide=this.slides.length-1}}this.curSlide=this.slides[this.idxSlide].clone();this.show()},show:function(){var slide=this.slideIn.getElement('div');if(slide){slide.replaceWith(this.curSlide)}else{this.curSlide.injectInside(this.slideIn)}this.doEffect()},doEffect:function(){this.fxOn=true;var d=this.isFirst?0:this.options.duration;var t=this.options.transition;var fxObj=this.slideIn.effects({duration:d,transition:t});var inX=0;var inY=0;var outX=0;var outY=0;var ww=this.wrapper.getStyle('width').toInt();var wh=this.wrapper.getStyle('height').toInt();if(this.step>0){if(this.options.direction=='h'){inX=-ww;outX=ww}else{inY=-wh;outY=wh}}else{if(this.options.direction=='h'){inX=ww;outX=-ww}else{inY=wh;outY=-wh}}if(this.isFirst){if(this.auto){this.step=1}this.isFirst=false}fxObj.start({top:[inY,0],left:[inX,0],opacity:[1,1]});this.slideOut.effects({duration:d,transition:t}).start({top:[0,outY],left:[0,outX]});this.fxEnd.delay(d+75,this)},fxEnd:function(){this.fxOn=false;this.swapSlides();if(this.auto){$clear(this.timer);this.timer=this.load.delay(this.options.delay,this)}},stop:function(){$clear(this.timer);this.auto=false},play:function(){if(!this.auto){$clear(this.timer);this.auto=true;this.step=1;if(!this.fxOn){this.load()}}},next:function(){this.stop();if(this.fxOn){return}this.step=1;this.load()},prev:function(){this.stop();if(this.fxOn){return}this.step=-1;this.load()},swapSlides:function(){this.slideOut.setStyles({zIndex:0,opacity:0});var t=this.slideOut;this.slideOut=this.slideIn;this.slideIn=t}});QScroller.implement(new Options,new Events);