function topPriorityLanguage()
 {
     $language = false;
     $languageLocaleList = $this->languageLocaleList();
     $language = eZContentLanguage::topPriorityLanguageByLocaleList($languageLocaleList);
     if (!$language) {
         $language = $this->alwaysAvailableLanguage();
     }
     return $language;
 }