$(function(){
	//scroller
	var img_small=$("#scroller .scrollcontainer li");//小图;
	var img_container=$("#scroller .scrollcontainer ul");
	var nscroll=1;//每次移动图片数量;
	var scroll_step=170*nscroll;
	var pointer=0;//指示当前左侧隐藏图片数;
	var moving=false;//当前是否在移动;
	if(img_small.length<=1){$("#scroller a.aright").removeClass().addClass("arightgray");}
	$("#scroller a.aright").live("click",function(){
		if(!moving){
			moving=true;
			var nleft=parseInt(img_container.css("left"));
			img_container.animate({
				left:nleft-scroll_step
			},"normal",function(){
				moving=false;
			});
			pointer+=nscroll;
		}
		if((img_small.length-pointer)<=1){
			$(this).removeClass().addClass("arightgray");
		}
		if($("#scroller a.aleftgray")){
			$("#scroller a.aleftgray").removeClass().addClass("aleft");
		}
		return false;
	});
	$("#scroller a.aleft").live("click",function(){
		if(!moving){
			moving=true;
			var nleft=parseInt(img_container.css("left"));
			img_container.animate({
				left:nleft+scroll_step
			},"normal",function(){
				moving=false;
			});
			pointer-=nscroll;
		}
		if(pointer<=0){
			$(this).removeClass().addClass("aleftgray");
		}
		if($("#scroller a.arightgray")){
			$("#scroller a.arightgray").removeClass().addClass("aright");
		}
		return false;
	});
	$("#scroller a").focus(function(){this.blur();});
	
	var  vane="right";
	function autoscroll(){
		if(vane=="right"){
			if($("#scroller a.aright").length){
				$("#scroller a.aright").trigger("click");
			}else{
				vane="left";
			}
		}
		if(vane=="left"){
			if($("#scroller a.aleft").length){	
				$("#scroller a.aleft").trigger("click");
			}else{
				vane="right";
			}
		}
	}
	var scrollTimmer=setInterval(autoscroll,6000);
	$("#scroller").hover(function(){
		clearInterval(scrollTimmer);
	},function(){
		scrollTimmer=setInterval(autoscroll,6000);
	});
})