public function setUserDefaultLanguage($lang)
    {
        $app = Application::getFacadeApplication();
        $db = $app['database']->connection();
        $session = $app['session'];

        $this->uDefaultLanguage = $lang;
        $session->set('uDefaultLanguage', $lang);
        $db->Execute('update Users set uDefaultLanguage = ? where uID = ?', array($lang, $this->getUserID()));
    }