The default behaviour of AJAX Accordion is: you click on any Accordion pane (say; any control placed in Accorion Pane Header section) cause that pane to Expand and collapse rest of the panes other than the pane which you clicked. It is also fairly easy...
While working on DNN 5.0 site, I was trying to have a left menu navigation using AJAX Accordion . Even, I got succeeded in implementing that but i come accross an issue of - flickering the Accordion control in IE while opening and closing and navigating...