FieldSet additionalInfo = new FieldSet( localize( "title.additionalInfo" ) );
form.add( additionalInfo );
additionalInfo.add( new FormRow( localize( "label.name" ), new TextBox( "name" ) ) );
additionalInfo.add( new FormRow( localize( "label.surname" ), new TextBox( "surname" ) ) );
additionalInfo.add( new FormRow( localize( "label.notify" ), new CheckBox( "notify" ) ) );
// TODO: captcha
form.add( new AjaxSubmitButton( "save", localize( "button.register" ) ) );
}