private function searchLocalizationByRequestKey($key)
	{
		$localizationId = $this->getRequestInput()->get($key);

		// Fix for news application filter folders
		if (strpos($localizationId, '_') !== false) {
			$localizationId = strstr($localizationId, '_', true);
		}

		if (empty($localizationId)) {
			return null;
		}

		return $this->getEntityManager()
				->find(Localization::CN(), $localizationId);
	}