text: // 分析用户来源  请求api
  
  	// 当前的路径
  	var user_land_url = readck("user_land_url");
  	var user_source_url = readck("user_source_url");
  
  	var date=new Date();
  	var expireDays=1;
  	//将date设置为1天以后的时间
  	date.setTime(date.getTime()+expireDays*24*3600*1000);//或者也可以用 date.setDate(date.getDate+expireDays)
  	var selfUrl = window.location.href;
  	if(user_land_url == "" ){
  		//将 cookie设置为1天后过期
  		document.cookie="user_land_url="+selfUrl+";path=/; expire="+date.toGMTString();
  	}
  	var referUrl = document.referrer;
  
  	if(referUrl.length > 0){
  		if(referUrl.indexOf("dyrs") > 0 ){
  
  		}else{
  			//if(user_source_url == ''){
  				//将 cookie设置为1天后过期
  				document.cookie="user_source_url="+referUrl+";path=/; expire="+date.toGMTString();
  				document.cookie="user_land_url="+selfUrl+";path=/; expire="+date.toGMTString();
  			//}
  		}
  	}
  
  
  function readck(name){
  		var cookieValue = "";
  		var search_s = name + "=";
  		if(document.cookie.length > 0)
  		{
  			offset = document.cookie.indexOf(search_s);
  			if (offset != -1)
  			{
  				offset += search_s.length;
  				end = document.cookie.indexOf(";", offset);
  				if (end == -1) end = document.cookie.length;
  				cookieValue = unescape(document.cookie.substring(offset, end))
  			}
  		}
  		return cookieValue;
  	}
  
  //
  //
  // "use strict";
  //
  // function readck(e) {
  //     var r = "", o = e + "=";
  //     return document.cookie.length > 0 && (offset = document.cookie.indexOf(o), -1 != offset && (offset += o.length, end = document.cookie.indexOf(";", offset), -1 == end && (end = document.cookie.length), r = unescape(document.cookie.substring(offset, end)))), r
  // }
  //
  // var user_land_url = readck("user_land_url"), user_source_url = readck("user_source_url"), date = new Date,
  //     expireDays = 1;
  // if (date.setTime(date.getTime() + 24 * expireDays * 3600 * 1e3), "" == user_land_url) {
  //     var selfUrl = window.location.href;
  //     document.cookie = "user_land_url=" + selfUrl + "; expire=" + date.toGMTString()
  // }
  // var referUrl = document.referrer;
  // referUrl.length > 0 && (referUrl.indexOf("dyrs") > 0 || '' == user_source_url && (document.cookie = "user_source_url=" + referUrl + "; expire=" + date.toGMTString()));
  