Easy test Go to the course settings page Make sure all the sections are collapsible Make sure all but the first section are collapsed On the page to add a new blog entry Make sure there are only 2 sections Make sure the second one tags is expanded Pro test Use the attached file test_forms.php Play with the form Extend some of them by adding: Fields (addElement) Rules (addRule) Expanding/collapsing (setExpanded) Make sure An error on a field will ALWAYS expand its section A require field will ALWAYS expand its section The sections are collapsed/expanded according to the state in which they were when the form was submitted (except with errors, required)