* @param id - wicket id of this form
*/
protected void addCommentForm(String id) {
final CommentForm commentForm = new CommentForm("commentForm");
add(commentForm);
commentForm.add(new AjaxAutoSavingBehavior(commentForm) {
private static final long serialVersionUID = 1L;
@SuppressWarnings("unchecked")
@Override
protected void onAutoSave(AjaxRequestTarget target) {