code: public void notifyFocus(String id)
      {
          Util utilAll = new Util(getUsersToAffect());
  
          utilAll.addClassName(id, "disabled");
          String addr = WebContextFactory.get().getHttpServletRequest().getRemoteAddr();
          utilAll.setValue(id + "Tip", addr);
  
          //utilAll.addScript("$('" + id + "').disabled = true;");
      }
docs: The user has tabbed in
  @param id The id of the field that changed