if(summaryDateInputOption == null)
if(summaryDateInputOption == null || summaryDateInputOption.equals("0")){
    protected void processAnotherDate(HttpServletRequest request, ActionForm form) {        DynaActionForm actionForm = (DynaActionForm) form;        String summaryDateInputOption = request.getParameter("summaryDateInputOption");        if(summaryDateInputOption == null)            actionForm.set("anotherDateVisible", "true");        else if(summaryDateInputOption != null && summaryDateInputOption.equals("on"))            actionForm.set("anotherDateVisible", "true");        else            actionForm.set("anotherDateVisible", "false");    }