public ActionForward markAlertMessageAsUnread(ActionMapping mapping, ActionForm form, HttpServletRequest request,
HttpServletResponse response) throws Exception {
PhdAlertMessage alertMessage = getAlertMessage(request);
alertMessage.markAsUnread();
Person loggedPerson = AccessControl.getPerson();
boolean global = Boolean.valueOf((String) getFromRequest(request, "global"));
boolean unread = Boolean.valueOf((String) getFromRequest(request, "unread"));
boolean archive = Boolean.valueOf((String) getFromRequest(request, "archive"));