protected function checkEngineGeneric()
	{
	    if ( preg_match('/\?q=/', $this->_http_referer ) || 
	         preg_match('/\&q=/', $this->_http_referer ) 
	       )
	    {
			$this->_search_engine = self::SEARCH_ENGINE_GENERIC ;
			if ( isset($this->_parse_result['q']) ) { $this->_keywords = $this->_parse_result['q']; }
			return true;
	    }
	    return false;
	}