public function getLanguageList() {
		$files = glob($this->getPath().'messages_*.php');
		
		$startAt = strlen('messages_');
		$languages = array();
		foreach ($files as $file) {
			$base = basename($file);
			$languages[] = substr($base, $startAt, strrpos($base, '.php') - $startAt);
		}
		return $languages;
	}