<?php
/****************************************************************************************/
/* ACollab                                                                              */
/****************************************************************************************/
/* Copyright (c) 2002-2004  Adaptive Technology Resource Centre / University of Toronto */
/*                                                                                      */
/* http://atutor.ca/acollab                                                             */
/*                                                                                      */
/* This program is free software. You may redistribute it and/or                        */
/* modify it under the terms of the GNU General Public License                          */
/* as published by the Free Software Foundation; either version 2 of the License,       */
/* or (at your option) any later version.                                               */
/*                                                                                      */
/* This program is distributed in the hope that it will be useful, but                  */
/* WITHOUT ANY WARRANTY; without even the implied warranty of                           */
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.                                 */
/* See the GNU General Public License for more details.                                 */
/*                                                                                      */
/* You may access the GNU General Public License at:                                    */
/* http://www.opensource.org/licenses/gpl-license.php                                   */
/*                                                                                      */
/* You may contact the Adaptive Technology Resource Centre at                           */
/* Robarts Library, University of Toronto                                               */
/* 130 St. George Street, Toronto, Ontario, Canada M5S 1A5                              */
/* Further contact information is available at http://www.utoronto.ca/atrc/             */
/****************************************************************************************/
/* Programmer:                                                                          */
/* Joel Kronenberg - ATRC                                                               */
/****************************************************************************************/
// $Id: logout.php 441 2005-03-07 21:07:59Z shozubq $

define('AC_INCLUDE_PATH', '../include/');
/*updated*/
	require(AC_INCLUDE_PATH.'vitals.inc.php');
	session_write_close();
	authenticate(USER_CLIENT, USER_GROUP_ADMIN, USER_ADMIN);
	require('include/functions.inc.php');

	$myPrefs = getPrefs($_SESSION['login']);


	$topMsgNum = $bottomMsgNum = 0;
    howManyMessages($topMsgNum, $bottomMsgNum);
	postMessage(_AC('chat_system'),
				_AC('chat_logged_out', $_SESSION['login']),
				$topMsgNum,
				$bottomMsgNum);

	$myPrefs['lastAccessed'] = 0;
	writePrefs($myPrefs, $_SESSION['login'], true);

	Header('Location: index.php');
	exit;

?>