protected function _initTranslation() {
    // Translator erstellen und mit den verschiedenen Sprachfiles füttern
    $translator = new Zend_Translate('gettext', APPLICATION_PATH . '/../languages/', null, array(
      'scan' => Zend_Translate::LOCALE_DIRECTORY
    ));

    $locale = new Zend_Locale();
    if ($translator->isAvailable($locale->getLanguage())) {
      $translator->setLocale($locale->getLanguage());
    } else {
      $translator->setLocale('de');
    }

    Zend_Registry::set('Zend_Translate', $translator);
  }