public function getCurrentUiLang($isTwoLetter = false) {
		$uiLcid3 = Configure::read('Config.language');
		if (empty($uiLcid3)) {
			$uiLcid3 = 'eng';
		}
		$uiLcid3 = mb_strtolower($uiLcid3);
		if (!$isTwoLetter) {
			return $uiLcid3;
		}

		return $this->convertLangCode($uiLcid3, 'iso639-1');
	}