tree.setLanguage(vars.getLanguage());
tree.showNotifications(true);
tree.setNotifications(getNotificationsHTML(vars.getLanguage()));
// Obtains a tree for the installed modules
xmlDocument.setParameter("moduleTree", tree.toHtml());
// Obtains a box for display the modules descriptions
xmlDocument.setParameter("moduleTreeDescription", tree.descriptionToHtml());
out.println(xmlDocument.print());