var fullurl=unescape(escape(document.location));
var nlong=fullurl.length;
var n=fullurl.indexOf("?")+1;
var strWord=fullurl.substring(n,nlong);

var Url=location.hostname;
var path=location.href; 

var Label=location.search.toLowerCase();
var SiteName=location.hostname;
Label=Label.substring(1,Label.length);

//获得Cookie解码后的值
function GetCookieVal(offset){
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1)
	endstr = document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}

//获得Cookie的原始值
function GetCookie(name){
	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;
}

//设置Cookie有效时长
function CookieTime(name,longday){
	var exp = new Date();
	exp.setDate (exp.getDate() + longday);
	var cval = GetCookie (name);
	document.cookie = name + "=" + cval + "; expires="+ exp.toGMTString();
}

//设定Cookie值
function SetCookie(name, value){
	var expdate = new Date();
	var argv = SetCookie.arguments;
	var argc = SetCookie.arguments.length;
	var expires = (argc > 2) ? argv[2] : null;
	var path = (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" : "");
}

if(GetCookie("from_site")==""||GetCookie("from_site")==null||GetCookie("from_site")=="null"){
	SetCookie("from_site",Label);
	//CookieTime("from_site",1);
}
var SiteLabel=GetCookie("from_site");

document.location="http://www.eng24.com/gotoeng24.asp?url="+escape(document.location)+"&cookie="+SiteLabel;