case 'mimetype.delete':
        $mime_id = Request::getInt('mime_id', 0);
        $ok      = Request::getBool('ok', false, 'POST');
        if (!$mimetypeObj = $helper->getHandler('Mimetype')->get($mime_id)) {
            redirect_header($currentFile, 4, _AM_WFDOWNLOADS_ERROR_MIMETYPENOTFOUND);