//noinspection unchecked
vcr = new ValueChangeRelay<JComponent>(
( ValueChangeRelay.ValueChangeListener<JComponent> )
validator.createVCRListener() );
ChangeLabelAction.createStandardErrorLabel( validator, user_label,
new HasTextValidityCheck( user_field ) );
vcr.add( user_field, user_field );
ChangeLabelAction.createStandardErrorLabel( validator, password_label,
new HasTextValidityCheck( password_field ) );
vcr.add( password_field, password_field );
validator.check();
}