public function getHttpTransport()
	{
		// lazy load a default if one has not be set
		if ($this->_httpTransport === false)
		{
			require_once(dirname(__FILE__) . '/HttpTransport/FileGetContents.php');

			$this->_httpTransport = new Apache_Solr_HttpTransport_FileGetContents();
		}

		return $this->_httpTransport;
	}