/**
  * Start element handler for XML parser
  *
  * @access private
  * @param  object XML parser object
  * @param  string XML element
  * @param  array  Attributes of XML tag
  * @return void
  */
 function startHandler($parser, $element, &$attribs)
 {
     parent::startHandler($parser, $element, $attribs);
     // do not add the guid tag incase "isPermaLink" set false
     if ($element == 'GUID' && isset($attribs['ISPERMALINK']) && $attribs['ISPERMALINK'] == 'false') {
         $this->activeTag = '';
     }
 }