protected function appendUnzippedNode($oUnzippedNodes, $name, $action='ok')
  {
    $oUnzippedNode = new CKFinder_Connector_Utils_XmlNode("File");
    $oUnzippedNode->addAttribute("name", CKFinder_Connector_Utils_FileSystem::convertToConnectorEncoding($name));
    $oUnzippedNode->addAttribute("action", $action );
    $oUnzippedNodes->addChild($oUnzippedNode);
  }