root/trunk/gui/client/change_user_interface.php

<?php
/**
 * ispCP ω (OMEGA) a Virtual Hosting Control System
 *
 * @copyright     2001-2006 by moleSoftware GmbH
 * @copyright     2006-2008 by ispCP | http://isp-control.net
 * @version     SVN: $Id$
 * @link         http://isp-control.net
 * @author         ispCP Team
 *
 * @license
 *   This program is free software; you can redistribute it and/or modify it under
 *   the terms of the MPL General Public License as published by the Free Software
 *   Foundation; either version 1.1 of the License, or (at your option) any later
 *   version.
 *   You should have received a copy of the MPL Mozilla Public License along with
 *   this program; if not, write to the Open Source Initiative (OSI)
 *   http://opensource.org | osi@opensource.org
 */

require '../include/ispcp-lib.php';

check_login(__FILE__);

if (isset($_SESSION['logged_from']) && isset($_SESSION['logged_from_id']) &&
    isset($_GET['action']) && $_GET['action'] == "go_back") {

    $from_id = $_SESSION['user_id'];
    $to_id   = $_SESSION['logged_from_id'];

    change_user_interface($from_id, $to_id);

} else {
    header('Location: index.php');
    die();
}

?>