var ref1="";
ref1=escape(document.referrer);
function SetCookie(sName, sValue, timeKeep)
{
	var vtoday=new Date();
	var expireTime= new Date(vtoday.valueOf()+timeKeep*60000*60);
	document.cookie = sName + "=" + escape(sValue) + "; path=/; expires=" + expireTime.toGMTString() + ";";
}
function getCookie(name)
{
	var arg=name+"=";
	var L1=arg.length;
	var L0=document.cookie.length;
	var j=0;
	while(j<L0)
	{
		var k=j+L1;
		if(document.cookie.substring(j,k)==arg)
			return getCookieVal(k);
		j=document.cookie.indexOf("",j)+1;
		if(j==0)break;
	}
	return null;
}
function getCookieVal(k)
{
	var endstr=document.cookie.indexOf(";",k);
	if(endstr==-1)
		endstr=document.cookie.length;
	return unescape(document.cookie.substring(k,endstr));
}
var oldcust="N";
var isip="Y";
var howlong=0;
var howlong2=0;
var style2="noimg";
var cookiename="w2w-s269";
var lastvisitime=getCookie(cookiename);	
if(lastvisitime==null)lastvisitime="";

var today=new Date();
var todaytime=today.getTime();

var clientid=getCookie("w2w-clientid");	
if(clientid==null)clientid="";

var vtimes=getCookie("w2w-vtimes");
if(vtimes==null)vtimes=0;

if(lastvisitime!="")
{					
	oldcust="Y";
	howlong=todaytime-lastvisitime;
	//howlong2=howlong/1000;
	howlong2=howlong;
	howlong/=1000*60*60;
	if(howlong<3)	//不超过三个小时
	{
		isip="N";		
	}		
	else	//超过三个小时
	{
		vtimes++;
		SetCookie("w2w-vtimes",vtimes,24*30*3); //120天
	}
	SetCookie(cookiename,todaytime,24*30*3); //120天	
	SetCookie("w2w-clientid",clientid,24*30*3); //120天		
}
else
{
	oldcust="N";
	isip="Y";
	SetCookie("w2w-s269",todaytime,24*30*3); //120天	
	clientid="634633608510294171";	
	SetCookie("w2w-clientid",clientid,24*30*3); //120天	
	vtimes=1;
	SetCookie("w2w-vtimes",vtimes,24*30*3); //120天											
}
if(howlong2>=1500||howlong2==0)w1("<script language=javascript src='http://www.w2w.net.cn/stat/viewer.aspx?ref="+ref1+"&swidth="+(screen.width)+"&sheight="+(screen.height)+"&isip="+isip+"&oldcust="+oldcust+"&hl="+howlong2+"&uid="+clientid+"&vtimes="+vtimes+"&style="+style2+"'></script>");
function w1(string) {document.write(string);}