File Source for lp

<?php //$id: $
/**
* Script opened in an iframe and containing the learning path's navigation and progress bar
* @package dokeos.learnpath
* @author Yannick Warnier <ywarnier@beeznest.org>
* @license GNU/GPL - See Dokeos license directory for details
*/
/**
* Script
*/
//flag to allow for anonymous user - needs to be set before global.inc.php
$use_anonymous = true;
// name of the language file that needs to be included
$language_file[] = "scormdocument";
$language_file[] = "scorm";
$language_file[] = "learnpath";
require_once('back_compat.inc.php');
require_once('learnpath.class.php');
require_once('scorm.class.php');
require_once('aicc.class.php');
//error_log('New LP - Loaded lp_nav: '.$_SERVER['REQUEST_URI'],0);
$htmlHeadXtra[] = '<script language="JavaScript" type="text/javascript">
var dokeos_xajax_handler = window.parent.oxajax;
</script>';
$progress_bar = '';
$navigation_bar = '';
$display_mode = '';
if(isset($_SESSION['lpobject']))
{
//if($debug>0) //error_log('New LP - in lp_nav.php - SESSION[lpobject] is defined',0);
$oLP = unserialize($_SESSION['lpobject']);
if(is_object($oLP))
{
$_SESSION['oLP'] = $oLP;
}
else
{
//error_log('New LP - in lp_nav.php - SESSION[lpobject] is not object - dying',0);
die('Could not instanciate lp object');
}
$display_mode = $_SESSION['oLP']->mode;
$scorm_css_header=true;
$lp_theme_css=$_SESSION['oLP']->get_theme();
//Setting up the CSS theme if exists
include_once('../inc/reduced_header.inc.php');
if (!empty($lp_theme_css) && !empty($mycourselptheme) && $mycourselptheme!=-1 && $mycourselptheme== 1 )
{
global $lp_theme_css;
}
else
{
$lp_theme_css=$my_style;
}
$progress_bar = $_SESSION['oLP']->get_progress_bar();
$navigation_bar = $_SESSION['oLP']->get_navigation_bar();}
session_write_close();
?>
<body>
<div class="lp_navigation_elem">
<?php echo $progress_bar; ?>
<?php echo $navigation_bar; ?>
</div>
</body>
</html>

Source for file lp_nav.php