function GetCookie(Name)
{
    var search = Name + "="
    var returnvalue = "";

    if (document.cookie.length > 0)
    {
        offset = document.cookie.indexOf(search)

        // if cookie exists
        if (offset != -1)
        {
            offset += search.length
            // set index of beginning of value
            end = document.cookie.indexOf(";", offset);
            // set index of end of cookie value
            if (end == -1)
                end = document.cookie.length;
            
            returnvalue = unescape(document.cookie.substring(offset, end))
        }
    }

    return returnvalue;
}