var u = window.location.href;
var r = document.referrer;
var imurl = "http://ifim.ifinif.com/ifim.aspx";
var usersid = "";
var multInnerid = "";//多席存贮
var otherInnerid = "";//支持两个
//------------------------------------------------------------------------------utf8
function EncodeUtf8(s1)
  {
      var s = escape(s1);
      var sa = s.split("%");
      var retV ="";
      if(sa[0] != "")
      {
         retV = sa[0];
      }
      for(var i = 1; i < sa.length; i ++)
      {
           if(sa[i].substring(0,1) == "u")
           {
               retV += Hex2Utf8(Str2Hex(sa[i].substring(1,5)));
           }
           else retV += "%" + sa[i];
      }
      return retV;
  }
  
  function setCookie(name,value)
    {
        var exp = new Date();
        exp.setTime(exp.getTime()+(1000*60*60*24*365*5));
        document.cookie = escape(name) + "=" + escape(value) + ";path=/;expires=" + exp.toGMTString();
    }
    
   function getCookie(c_name)
   {
     if (document.cookie.length > 0)
     {
          c_start = document.cookie.indexOf(c_name + "=")
          if (c_start != -1)
          { 
            c_start = c_start + c_name.length + 1;
            c_end   = document.cookie.indexOf(";",c_start);
            if (c_end == -1) 
            {
                c_end = document.cookie.length;
            }
            return unescape(document.cookie.substring(c_start,c_end));
           } 
     }
     return "";
    }

    
    function codeStr()
    {
        var tempcode = getCookie("ifinifcomsid") + "";
        if(tempcode == "")
        {
             var oDate = new Date();
             var y = oDate.getFullYear() + ""; 
             var m = (oDate.getMonth() + 1) + ""; 
             var d = oDate.getDate() + ""; 
             var h = oDate.getHours() + ""; 
             var i = oDate.getMinutes() + ""; 
             var s = oDate.getSeconds() + ""; 
             var ms = oDate.getMilliseconds() + ""; 
             y = y.substr(2)*1;
             var r = Math.random() + "";
             r = r.substr(r.length-3)         
             tempcode = y+m+d+h+i+s+ms+r;  
             setCookie("ifinifcomsid",tempcode);
         }
         return tempcode;       
    }
  
  function Str2Hex(s)
  {
      var c = "";
      var n;
      var ss = "0123456789ABCDEF";
      var digS = "";
      for(var i = 0; i < s.length; i ++)
      {
         c = s.charAt(i);
         n = ss.indexOf(c);
         digS += Dec2Dig(eval(n));
      }
      //return value;
      return digS;
  }
  function Dec2Dig(n1)
  {
      var s = "";
      var n2 = 0;
      for(var i = 0; i < 4; i++)
      {
         n2 = Math.pow(2,3 - i);
         if(n1 >= n2)
         {
            s += '1';
            n1 = n1 - n2;
          }
         else
          s += '0';
      }
      return s;
  }
  function Dig2Dec(s)
  {
      var retV = 0;
      if(s.length == 4)
      {
          for(var i = 0; i < 4; i ++)
          {
              retV += eval(s.charAt(i)) * Math.pow(2, 3 - i);
          }
          return retV;
      }
      return -1;
  } 
  function Hex2Utf8(s)
  {
     var retS = "";
     var tempS = "";
     var ss = "";
     if(s.length == 16)
     {
         tempS = "1110" + s.substring(0, 4);
         tempS += "10" +  s.substring(4, 10); 
         tempS += "10" + s.substring(10,16); 
         var sss = "0123456789ABCDEF";
         for(var i = 0; i < 3; i ++)
         {
            retS += "%";
            ss = tempS.substring(i * 8, (eval(i)+1)*8);
            retS += sss.charAt(Dig2Dec(ss.substring(0,4)));
            retS += sss.charAt(Dig2Dec(ss.substring(4,8)));
         }
         return retS;
     }
     return "";
  } 
//------------------------------------------------------------------------------JS SRequest.QueryString
function RequestJS(strName)
{
	var jsFileName = "ifa.js";
	var jss=document.getElementsByTagName('script');
	for (var i = 0;i < jss.length; i++)
	{
		if(jss[i].src.indexOf(	jsFileName)> -1)
		{
			//return jss[i].src.split("=")[1];
			
			var innerIDs = jss[i].src.split("=")[1].split(",")
			if(innerIDs.length > 0)
			{
			    multInnerid = getCookie("immultuser");
			    if(multInnerid == "" )
			        setCookie("immultuser",innerIDs[Math.floor(innerIDs.length * Math.random())]);
			}
			if(innerIDs.length > 1)
			    otherInnerid = innerIDs[1];
			
			return innerIDs[0];
		}
	}

    return "";
}
//------------------------------------------------------------------------------Set Mult User

usersid = codeStr();
var requestID = RequestJS("id");
document.write("<script language='javascript' type='text/javascript' src='" + imurl + "?id=" + requestID +"&u=" + EncodeUtf8(u) + "&r=" +EncodeUtf8(r) + "&sid=" + usersid +"&mult=" + multInnerid + "&other=" + otherInnerid + "'><\/script>");