Name::isFieldsRussian

protected function isFieldsRussian(array $fields)
{
	$isFilledOne = false;

	foreach($this->getLanguageFieldNames() as $name => $method)
	{
		if(isset($fields[$name]))
		{
			$isFilledOne = true;
			if(!empty($fields[$name]) && !$this->isFieldRussian($fields[$name]))
			{
				return false;
			}
		}
	}

	return $isFilledOne;
}