function Set_Cookie(name, value, expires, path, domain, secure) {
    var today = new Date();
    today.setTime(today.getTime());

    if (expires) {
        expires = expires * 1000; // expires * 1s
    }
    var expires_date = new Date(today.getTime() + (expires));

    document.cookie = name + "=" + escape(value) +
	((expires) ? ";expires=" + expires_date.toGMTString() : "") +
	((path) ? ";path=" + path : "") +
	((domain) ? ";domain=" + domain : "") +
	((secure) ? ";secure" : "");
}

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 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";
}