.
$left = (!right_to_left()); // To know if to add 'pull-right' and 'desktop-first-column' classes in the layout for LTR.
echo $OUTPUT->doctype() ?>
htmlattributes(); ?>>
course_content_header();
echo $OUTPUT->main_content();
echo $OUTPUT->course_content_footer();
?>
blocks('side-pre', 'span3'.$classextra);
?>
standard_end_of_body_html() ?>