function $_send(url){
    if(url == "") return;
    url = url.replace(/\'/g,"\\'");
    var target_str = "var pic_obj = new Image();pic_obj.src='"+url+"';";
    eval(target_str);
    }
function GetCookieVal(offset)
{
    //获得Cookie解码后的值
    var endstr = document.cookie.indexOf (";", offset);
    if (endstr == -1)
        endstr = document.cookie.length;
        return unescape(document.cookie.substring(offset, endstr));
    }
function SetCookie(name, value)
//设定Cookie值
{
var expdate = new Date();
var argv = SetCookie.arguments;
var argc = SetCookie.arguments.length;
var path = (argc > 2) ? argv[2] : null;
var expires = (argc > 3) ? argv[3] : null;
var domain = (argc > 4) ? argv[4] : null;
var secure = (argc > 5) ? argv[5] : false;
if(expires!=null) expdate.setTime(expdate.getTime() + ( expires * 1000 ));
document.cookie = name + "=" + escape (value) +((expires == null) ? "" : ("; expires="+ expdate.toGMTString()))
+((path == null) ? "" : ("; path=" + path)) +((domain == null) ? "" : ("; domain=" + domain))
+((secure == true) ? "; secure" : "");
}
function DelCookie(name)
//删除Cookie
{
var exp = new Date();
exp.setTime (exp.getTime() - 1);
var cval = GetCookie (name);
document.cookie = name + "=" + cval + "; expires="+ exp.toGMTString();
}
function GetCookie(name)
//获得Cookie的原始值
{
var arg = name + "=";
var alen = arg.length;
var clen = document.cookie.length;
var i = 0;
while (i < clen)
{
var j = i + alen;
if (document.cookie.substring(i, j) == arg)
return GetCookieVal (j);
i = document.cookie.indexOf(" ", i) + 1;
if (i == 0) break;
}
return null;
}
function cktrack(){
//记录多次访问
	var dt =new Date();
	var d0 = new Date("Tue Aug 19 2000");
	var ckid=parseInt((dt - d0));
	if (GetCookie("ckid")==null){
		SetCookie("ckid",ckid+"I0","/",3153600000);
		$_send("cktrick_2.gif?tm=1");
	}else{
		var getckid=GetCookie("ckid");
		var lastck=parseInt(getckid.split("I")[0]);
		var Exp=2;//有效长度，单位（小时），可更改。
		if ((ckid-lastck)/1000/60/60 >Exp){
			var tm=(parseInt(getckid.split("I")[1])+1);
			SetCookie("ckid",ckid+"I"+tm,"/",3153600000);
			$_send("cktrick_2.gif?tm="+tm);
		}
	}
}
cktrack();
function pathtrack(pagename){
//记录访问路径
	var dt =new Date();
	if (GetCookie("open")==null){
		SetCookie("open","1","/");
		SetCookie("curpagename",pagename,"/");
		SetCookie("lastpagename","root","/");
		$_send("pathtrick_2.gif?"+encodeURI("1`root")+"="+encodeURI(pagename));
	}else{
		//alert(pagename);
		if (unescape(GetCookie("curpagename"))!=pagename){
			//alert(unescape(GetCookie("curpagename")));
			var open=parseInt(GetCookie("open"));
			var lastpage=unescape(GetCookie("curpagename"));
			SetCookie("lastpagename",lastpage,"/");
			SetCookie("curpagename",pagename,"/");
			open+=1;
			SetCookie("open",open,"/");
			$_send("pathtrick_2.gif?"+encodeURI(open+"`"+lastpage)+"="+encodeURI(pagename));
		}
	}
}