if(typeof(AC)=="undefined"){AC={};}
AC.ProductBrowser={
	productSlider:null,
	sliderVal:0,
	animationId:false,
	viewportWidth:946,
	contentWidth:946,
	categories:[{id:'pb-cat1',offset:0},{id:'pb-cat2',offset:0.32}],
	isIPhone:AC.Detector.isiPhone(),
	iPhoneCategories:[{id:'pb-cat1',offset:0},{id:'pb-cat2',offset:0.32}],
	arrowScrollAmount:0.24,
	iPhoneScrollAmount:0.22,
	iPhoneContainerWidth:834,
	isSliding:false,
	lastX:0.32,
	isMouseDown:false,
	dif:0,
	overlap:0,
	offsetImageWidth:127,
	sliderOffset:291,
	offsetContentWidth:-946,
	clicked:false,
	startIndex:0,
	isIpScroll:false,
	hasIpDragged:false,
	init:					function(setupArgs)
							{
								if(typeof(setupArgs.categories)!='undefined')this.categories=setupArgs.categories;
								if(typeof(setupArgs.imageOverlap)!='undefined')this.overlap=setupArgs.imageOverlap;
								if(typeof(setupArgs.sliderCentering)!='undefined')this.sliderOffset=setupArgs.sliderCentering;
								if(typeof(setupArgs.initialCategory)!='undefined')this.startIndex=setupArgs.initialCategory;
								if(typeof(setupArgs.arrowScrollAmount)!='undefined')this.arrowScrollAmount=setupArgs.arrowScrollAmount;
								if(typeof(setupArgs.iPhoneCategories)!='undefined'){this.iPhoneCategories=setupArgs.iPhoneCategories;}
								if(typeof(setupArgs.iPhoneScrollAmount)!='undefined')this.iPhoneScrollAmount=setupArgs.iPhoneScrollAmount;
								if(typeof(setupArgs.iPhoneContainerWidth)!='undefined')this.iPhoneContainerWidth=setupArgs.iPhoneContainerWidth;
								$('pb-productslidertrack').style.visibility="visible";
								$('pb-productbrowsercontainer').style.overflow="hidden";
								this.viewportWidth=$('pb-productbrowsercontainer').getWidth();
								this.offsetImageWidth=$$('#pb-productslider .pb-productimage')[0].getWidth()-this.overlap;
								this.contentWidth=this.offsetImageWidth*$$('#pb-productslider .pb-productimage').length;
								this.offsetContentWidth=-1*(this.contentWidth-this.viewportWidth);
								this.productSlider=new Control.Slider('pb-productsliderhandle','pb-productslidertrack',{axis:'horizontal'});
								if(AC.ProductBrowser.isIPhone)
								{
									this.categories=this.iPhoneCategories;
									this.arrowScrollAmount=this.iPhoneScrollAmount;
									$('pb-productslidertrack').style.visibility="none";
									$('pb-leftarrow').style.visibility="none";
									$('pb-rightarrow').style.visibility="none";
									$('pb-productbrowsercontainer').style.width=this.iPhoneContainerWidth+"px";
									var leftArrow=document.createElement('div'); leftArrow.id="pb-iphone-leftarrow";
									var rightArrow=document.createElement('div'); rightArrow.id="pb-iphone-rightarrow";
									$('productbrowser').appendChild(leftArrow);
									$('productbrowser').appendChild(rightArrow);
									Event.observe($(leftArrow),'click',function(){AC.ProductBrowser.left();});
									Event.observe($(rightArrow),'click',function(){AC.ProductBrowser.right();});
								}
								AC.ProductBrowser.animateSlide(this.categories[this.startIndex].offset);
								this.productSlider.options.onChange=function(value)
																	{
																		$('pb-productsliderhandleimage').style.left=$('pb-productsliderhandle').style.left;
																		if(AC.ProductBrowser.isThrow&&!AC.ProductBrowser.isSliding)
																		{
																			AC.ProductBrowser.isSliding=true;
																			AC.ProductBrowser.isThrow=false;
																			var mod=value+AC.ProductBrowser.throwMod;
																			if(mod<0)mod=0;
																			if(mod>1)mod=1;
																			AC.ProductBrowser.animateSlide(mod);
																		}
																		else if(!AC.ProductBrowser.isSliding&&value){AC.ProductBrowser.isSliding=true;AC.ProductBrowser.animateSlide(value);}
																	};
								this.productSlider.options.onSlide=function(value)
																	{
																		$('pb-productsliderhandleimage').style.left=$('pb-productsliderhandle').style.left;
																		if(value&&!AC.ProductBrowser.isSliding)
																		{
																			AC.ProductBrowser.isSliding=true;
																			AC.ProductBrowser.isThrow=false;
																			if(AC.ProductBrowser.isMouseDown)
																			{
																				AC.ProductBrowser.dif=value-AC.ProductBrowser.lastX;
																				AC.ProductBrowser.lastX=value;
																				if(AC.ProductBrowser.dif>0.05){AC.ProductBrowser.isThrow=true;AC.ProductBrowser.throwMod=0.2;}
																				else if(AC.ProductBrowser.dif<-0.04){AC.ProductBrowser.isThrow=true;AC.ProductBrowser.throwMod=-0.2;}
																			}
																			var w=AC.ProductBrowser.offsetContentWidth;
																			$('pb-productslider').style.left=w*value+"px";
																			this.sliderVal=value;
																			AC.ProductBrowser.lastX=value;
																			AC.ProductBrowser.colorCats();
																			AC.ProductBrowser.isSliding=false;
																		}
																		Element.setStyle($('pb-productbrowsercontainer'),{overflow:"hidden"});
																	};

								Event.observe('pb-productslidertrack','mousedown',function(e){var o=e.offsetX||e.layerX;if(Event.element(e).id=='pb-productslidertrack'&&o<100)AC.ProductBrowser.animateSlide(0);});
								Event.observe('pb-leftarrow','mousedown',function(){AC.ProductBrowser.left();});
								Event.observe('pb-rightarrow','mousedown',function(){AC.ProductBrowser.right();});
								Event.observe('pb-productsliderhandle','mousedown',function(){AC.ProductBrowser.isMouseDown=true;$('pb-productsliderhandle').style.zIndex="5";});
								Event.observe('pb-productsliderhandle','mouseup',function(){AC.ProductBrowser.isMouseDown=false;});
								AC.ProductBrowser.categories.each(function(c){Event.observe($(c.id),'mouseup',function(e){AC.ProductBrowser.animateSlide(c.offset);});});
							},
animateSlide:				function(toX)
							{
								if(toX>1)toX=1;
								if(toX<0)toX=0;
								AC.ProductBrowser.sliderVal=toX;
								window.clearInterval(AC.ProductBrowser.animationId);
								var w=AC.ProductBrowser.offsetContentWidth;
								var stopPoint=w*toX;
								var sliderStopPoint=(Math.round(AC.ProductBrowser.viewportWidth-AC.ProductBrowser.sliderOffset)*toX);
								AC.ProductBrowser.isSliding=true;
								AC.ProductBrowser.animationId=window.setInterval(function(){
								var sliderPos=parseInt($('pb-productslider').getStyle('left'))||0;
								var handlePos=parseInt($('pb-productsliderhandle').getStyle('left'))||0;
								var x=AC.ProductBrowser.calculateDecel(sliderPos,stopPoint);
								var sx=AC.ProductBrowser.calculateDecel(handlePos,sliderStopPoint);
								$('pb-productslider').style.left=x+"px";
								$('pb-productsliderhandle').style.left=sx+"px";
								$('pb-productsliderhandleimage').style.left=sx+"px";
								AC.ProductBrowser.colorCats();
								if(x==stopPoint){window.clearInterval(AC.ProductBrowser.animationId);AC.ProductBrowser.isSliding=false;}},30);
							},

colorCats:					function()
							{
								var sliderX=parseInt($('pb-productsliderhandle').getStyle('left'))+(($('pb-productsliderhandle').getWidth()-20)/2);
								AC.ProductBrowser.categories.each(function(c){
								var left=parseInt($(c.id).getStyle('left'))
								var clr=Math.ceil((Math.min(sliderX,left)/Math.max(sliderX,left))*10);$(c.id).className='pb-catclass'+clr;});
							},

left:						function(){AC.ProductBrowser.animateSlide(AC.ProductBrowser.sliderVal-AC.ProductBrowser.arrowScrollAmount);},

right:						function(){AC.ProductBrowser.animateSlide(AC.ProductBrowser.sliderVal+AC.ProductBrowser.arrowScrollAmount);},
calculateDecel:				function(from,to){var n=from-Math.floor((from-to)*.4);if(Math.abs(from-to)<4)return to;else return n;}
};