protected function Value($name)
    {
        if (Request::IsPost())
        {
            return (bool)trim(Request::PostData($this->namePrefix . $name));
        }
        if ($this->Rights())
        {
            return $this->Rights()->$name;
        }
        if ($this->ParentRights())
        {
            return $this->ParentRights()->$name;
        }
        return false;
    }