Nothing real special. The AJAX loading icon can be changed using the Javascript variable ajax_load_icon in header.tpl.
<?php$_GET['title'] = 'Enano:Access_denied';require('../includes/common.php');header('HTTP/1.1 403 Forbidden');$session->perms['edit_page'] = AUTH_DENY;$session->perms['view_source'] = AUTH_DENY;$template->tpl_strings['PAGE_NAME'] = 'Access denied';$template->header();echo '<p>The administrator has flagged the page "' . $_SERVER['REQUEST_URI'] . '" so that it cannot be accessed from the web. Perhaps this is because this is a cache or includes directory and only needs to be accessed by scripts.</p><p>HTTP error: 403 Forbidden</p>';$template->footer();$db->close();