$parameters = array('method' => 'GET', 'allowRedirects' => true, 'maxRedirects' => '1');
  $request = new HTTP_Request($querystring, $parameters);
//  $request -> addHeader('User-Agent', 'Mozilla/4.0 (compatible; GoogleToolbar 2.0.114-big; Windows XP 5.1)');
  $request->addHeader('User-Agent', 'User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.5) Gecko/20060626 Firefox/1.5.0.5 (Debian-1.5.dfsg+1.5.0.5-