if ($DocDeviceCode == 28670 and trim($DocURL) != "" and !is_null($DocURL)){
      if(($_SERVER["HTTP_HOST"]!="booksearch.kture.kharkov.ua")&&($_SERVER["HTTP_HOST"]!="e-library.kture")){
        $DocumentCard .= '<br><a href="'.$DocURL.'" target=_blank>Скачать</a>';
                }
}