* Retrieve all tracks for a conference.

	 * @return DAOResultFactory containing Tracks ordered by sequence

	 */

	function &getConferenceTracks($conferenceId, $rangeInfo = null) {

		$result = &$this->retrieveRange(

			'SELECT t.* FROM tracks t, sched_confs s WHERE s.conference_id = ? AND s.sched_conf_id = t.sched_conf_id ORDER BY t.seq',

			$conferenceId, $rangeInfo

		);

		$returner =& new DAOResultFactory($result, $this, '_returnTrackFromRow');

		return $returner;

	}

	/**