function GetCookie (splitby,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(splitby,j);
        i = document.cookie.indexOf(" ", i) + 1;
        if (i == 0) break;
    }

    return null;
}

function getCookieVal (splitby,offset) {
    var endstr = document.cookie.indexOf (splitby,offset);
    if (endstr == -1)
    endstr = document.cookie.length;
    return unescape(document.cookie.substring(offset, endstr));
}