This should be tested on multiple browsers, at least IE (multiple versions if possible), Firefox, Chrome. Enable AJAX & AJAX course editing Visit a course with multiple activies/resources Check that you get the the 'drag and drop' controls for moving activities around Try moving activites around to different sections, rearranging - try your best to break it and confused it At different stages visit the page in another browser/tab and ensure that the changes you've made are refected in the page (i.e. that they are saved on the server) Try dragging and dropping 'sections' around and do similar things to try and break it Once you've dragged sections around, try adding new resources in that moved section and ensure its been moved correctly