(function ($) {
    $(document).ready(function () {

        var $prereq = $('.stm_lms_prerequisite_courses');
        var $prereq_button = $prereq.find('.btn');
        $prereq_button.on('click', function (e) {
            e.preventDefault();
            $prereq.toggleClass('active');
            $prereq.find('ul').slideToggle('fast');
        });

    })
})(jQuery);