function Get_Cookie(name) {
    var start = document.cookie.indexOf(name + '=');
    var len = start + name.length + 1;
    if ((!start) && (name != document.cookie.substring(0, name.length))) return null;
    if (start == -1) return null;
    var end = document.cookie.indexOf(';', len);
    if (end == -1) end = document.cookie.length;
    return unescape(document.cookie.substring(len, end));
}
function Set_Cookie(name, value, expires, path, domain, secure) {
    var today = new Date();
    today.setTime(today.getTime());
    if (expires) {
        expires = expires * 1000 * 60 * 60 * 24;
    }
    var expires_date = new Date(today.getTime() + (expires));
    document.cookie = name + "=" + escape(value) + ((expires) ? ";expires=" + expires_date.toGMTString() : "") + (";path=" + (path||"/")) + ((domain) ? ";domain=" + domain : "") + ((secure) ? ";secure" : "");
}
function Delete_Cookie(name, path, domain) {
    if (Get_Cookie(name)) document.cookie = name + '=' + ((path) ? ';path=' + path : '') + ((domain) ? ';domain=' + domain : '') + ';expires=Thu, 01-Jan-1970 00:00:01 GMT';
}