* @param form the form containing new configuration values
     */
    public static void updateConfig(final FessConfig fessConfig, final EditForm form) {
        fessConfig.setLoginRequired(isCheckboxEnabled(form.loginRequired));
        fessConfig.setResultCollapsed(isCheckboxEnabled(form.resultCollapsed));
        fessConfig.setLoginLinkEnabled(isCheckboxEnabled(form.loginLink));