/**
  * FIXME: This hook is necessary as the DirectionsService is not accepting the encoded ampersands.
  * Though the encoded ampersand is replaced by the native &
  * 
  * @see GoogleMapsWebService::override_http_build_query()
  */
 function override_http_build_query($pQuery)
 {
     $retVal = parent::override_http_build_query($pQuery);
     return str_replace("&", "&", $retVal);
 }