function RollBtnHide(obj)
    {
        $("#btnlprev").css("display","none");
        $("#btnlnext").css("display","none");
        
        if($(obj).attr("name")=="leftbtn")
        {
            $("#btnlprev").css({"background-image":"url('/newmartimg/logo2011.12.6/yangpin_liftbtn1.gif')"," width":"33px", "height":"48px", "position":"absolute", "top":"110px", "left":"0px", "cursor":"pointer","z-index":"999","filter":"alpha(opacity=40)","-moz-opacity":"0.4","-khtml-opacity":"0.4","opacity":"0.4"});
        }
        else if($(obj).attr("name")=="rightbtn")
        { 
            $("#btnlnext").css({"background-image":"url('newmartimg/logo2011.12.6/yangpin_rightbtn1.gif')"," width":"33px", "height":"48px", "position":"absolute", "top":"110px", "right":"0px", "cursor":"pointer","z-index":"999","filter":"alpha(opacity=40)","-moz-opacity":"0.4","-khtml-opacity":"0.4","opacity":"0.4"});
        }
    }
    function RollBtnShow(obj)
    {
        $("#btnlprev").css("display","block");
        $("#btnlnext").css("display","block");
         if($(obj).attr("name")=="leftbtn")
        {
            $("#btnlprev").css({"background-image":"url('/newmartimg/logo2011.12.6/left_red_btn.jpg')"," width":"33px", "height":"48px", "position":"absolute", "top":"110px", "left":"0px", "cursor":"pointer","z-index":"999","filter":"alpha(opacity=90)","-moz-opacity":"0.9","-khtml-opacity":"0.9","opacity":"0.9"});
        }
        else if($(obj).attr("name")=="rightbtn")
        {
            $("#btnlnext").css({"background-image":"url('newmartimg/logo2011.12.6/red_btn.jpg')"," width":"33px", "height":"48px", "position":"absolute", "top":"110px", "right":"0px", "cursor":"pointer","z-index":"999","filter":"alpha(opacity=90)","-moz-opacity":"0.9","-khtml-opacity":"0.9","opacity":"0.9"});
        }
    }
     function timerSale(id,sDT,eDT){
                var date3=eDT.getTime()-sDT.getTime();
	            var days=Math.floor(date3/(24*3600*1000));
	            var leave1=date3%(24*3600*1000);//计算天数后剩余的毫秒数
	            var hour=Math.floor(leave1/(3600*1000));
	            var leave2=leave1%(3600*1000);//计算小时数后剩余的毫秒数
	            var minute=Math.floor(leave2/(60*1000));
	            var leave3=leave2%(60*1000);//计算分钟数后剩余的毫秒数
	            var second=Math.round(leave3/1000);
	            var hours=24*days+hour;
	            var minutes=minute;
	            var seconds=second;
	            if((24*days+hour)<10)
	            {
	            hours="0"+hour;
	            }
	            if(minute<10)
	            {
	            minutes="0"+minute;
	            }
	            if(second<10)
	            {
	            seconds="0"+second;
	            }
		        if(seconds<=0){seconds="00";}
	            if(hour<1 && minute<1 && second<1){$("li[name='"+id+"Title']").html("活动已结束"); $("li[name='"+id+"']").html("下期更精彩"); $("span[name='"+id+"']").html("<i> "+hours+" </i>时<i> "+minutes+ " </i>分<i> "+seconds+" </i>秒"); return;}
	            if($("span[name='"+id+"']").attr("type")==2){
	                  $("li[name='"+id+"Title']").html("距抢购结束还有");
	                $("span[name='"+id+"']").html("<i> "+hours+" </i>时<i> "+minutes+ " </i>分<i> "+seconds+" </i>秒");
	            }else if($("span[name='"+id+"']").attr("type")==1){
	                $("li[name='"+id+"Title']").html("距开抢时间还有");
	                $("span[name='"+id+"']").html("<i> "+hours+" </i>时<i> "+minutes+ " </i>分<i> "+seconds+" </i>秒");
	            }
	            var c = new Date(sDT.getTime() + 1000);
	            window.setTimeout(function(){timerSale(id,c,eDT)},1000);        
           }