    public static function start() {
        session_name('GeniXCMS');
        session_start();
        //unset($_SESSION);
        if (!isset($_SESSION['gxsess']) || $_SESSION['gxsess'] == "" ) {
            $_SESSION['gxsess'] = array (
                                    'key' => self::sesKey(),
                                    'time' => date("Y-m-d H:i:s"),
                                    'val' => array()
                                );
        }

        $GLOBALS['start_time'] = microtime(TRUE);

    }
