function DJS(st)
{
	var tt=st;
	var th = null;
	var updateTextHtml = function(){
		if(th != null){
			var endData = $(th).attr("data-endtime");//结束时间
			var starTime =Math.floor(((new Date()).getTime())/1000);//开始时间1309348566
			if(endData != null && endData.length>0){
				var th_html = getTimeText(endData,starTime);
				$(th).html(th_html);
			}
		}
	}
	//获取倒计时html
	var getTimeText = function(){
		var endDataTime = arguments[0];
		var starDataTime = arguments[1];
		var is_display = arguments[2];
		var str = '';
		
		if(is_display != undefined)
		{
			str ='';
		}
		else
		{
			str = '<span>剩余：<span>';
		}
	
		if(endDataTime == null || starDataTime == null) return "【活动已经结束啦！】";
		var timeSpan = Math.floor(endDataTime - starDataTime);
		if(timeSpan>0){//未到期
			var second = Math.floor(timeSpan % 60);
			var minite = Math.floor((timeSpan / 60) % 60);
			var hour = Math.floor((timeSpan / 3600) % 24);
			var day = Math.floor((timeSpan / 3600) / 24);
			var html = str+day+"</span>天<span>"+hour+"</span>小时<span>"+minite+"</span>分<span>"+second+"</span>秒</span>";
			return html;
		}else{
			return "【活动已经结束啦！】";
		}
	}

		setInterval(updateTextHtml,999);
		th = "#"+tt;
		updateTextHtml();

}