function Validate($trackback)
 {
     // Get the page
     $url = TextFilter::htmlDecode($trackback->_url);
     $page = $this->fetchPage($url);
     // Get the trackback client
     $tbClient = new TrackbackClient();
     // get the trackback url
     $tbLinks = $tbClient->getTrackbackLinks($page, $url);
     if (empty($tbLinks)) {
         // there were no trackback links in the page
         //               error_log( "Found no trackback urls" );
         // Delete this trackback
         $trackbacks = new Trackbacks();
         $trackbacks->deletePostTrackback($trackback->_id, $trackback->_articleId);
         //print("Error: trackback unavailable<br/>");
     }
 }