$deny_cid = defaults($_REQUEST, 'deny_cid' , (array_key_exists('deny_cid' , $_REQUEST) ? " " : null));
$allow_gid = defaults($_REQUEST, 'allow_gid', (array_key_exists('allow_gid', $_REQUEST) ? " " : null));
$deny_gid = defaults($_REQUEST, 'deny_gid' , (array_key_exists('deny_gid' , $_REQUEST) ? " " : null));
$deny_cid = defaults($_REQUEST, 'deny_cid' , (array_key_exists('deny_cid' , $_REQUEST) ? " " : null));
$allow_gid = defaults($_REQUEST, 'allow_gid', (array_key_exists('allow_gid', $_REQUEST) ? " " : null));
$deny_gid = defaults($_REQUEST, 'deny_gid' , (array_key_exists('deny_gid' , $_REQUEST) ? " " : null));