text: var tnow = new Date();
  var bd2 = new Date("2019-03-24");
  var mil = (bd2- tnow) / 1000 / 60 / 60 / 24;
  if(mil <0) mil = 0;
  var Stext = Math.ceil(mil);
  console.log("cc:" + Math.ceil(mil));
  document.write('<div  id="div2" style="position:relative;padding-top:20px;display:block">');
  document.write('<a href="http://weike.lanqiao.cn"><img src="http://weike.lanqiao.cn/static/dasai-ad/png02.png"></a>');
  document.write('</div>');
  document.write('<div id="div1" style="position:relative;padding-top:20px;display:none">');
  document.write('<a href="http://dasai.lanqiao.cn/pages/dasai/tell_ours.html#aaaa" ><img src="http://weike.lanqiao.cn/static/dasai-ad/ad.png"></a>');
  document.write('<span style="color:#303030;font-size:31px;font-weight:bold;position: absolute;left:365px;top:37px;display:inline-block;width:80px;text-align:center;">'+Stext+'</span>');
  document.write('</div>');
  
  
  var divid= "div1";
  
  
  
  
  setInterval(function (){
  		
  		var tempid = (divid =="div1") ? "div2" : "div1";
  		$("#" + tempid).css("display","block");
  		$("#" + divid).css("display","none");
  		
  		divid = tempid;
  		
  	},2000);
  	