function setCookie(name, value, expiry, path, domain, secure) {
        var nameString = name + "=" + value;
        var expiryString = expiry == null ? "" : " ;expires = " + expiry;
        var pathString = path == null ? "" : " ;path = " + path;
        var domainString = path == null ? "" : " ;domain = " + domain;
        var secureString = secure ? ";secure" : "";
        document.cookie = nameString + expiryString + pathString + domainString + secureString;
    }


    function getCookie(name) {
        var CookieFound = false;
        var start = 0;
        var end = 0;
        var CookieString = document.cookie;
        var i = 0;
        while (i <= CookieString.length) {
            start = i;
            end = start + name.length;
            if (CookieString.substring(start, end) == name) {
                CookieFound = true;
                break;
            }
            i++;
        }
        if (CookieFound) {
            start = end + 1;
            end = CookieString.indexOf(";", start);
            if (end < start) {
                end = CookieString.length;
            }
            return unescape(CookieString.substring(start, end));
        }
        return "";
    }


    function deleteCookie(name) {
        var expires = new Date;
        expires.setTime(expires.getTime() - 1);
        setCookie(name, "Delete Cookie", expires, null, null, false);
    }