if ( currentButton != null ) { currentButton.setEnabled( bState ); if ( bState ) {   currentButton.setFocus( ); } }
	void setButtonEnabled( int iButton, boolean bState )	{		switch ( iButton )		{			case BACK :				btnPrevious.setEnabled( bState );				break;			case NEXT :				btnNext.setEnabled( bState );				break;			case ACCEPT :				btnAccept.setEnabled( bState );				break;			case CANCEL :				btnCancel.setEnabled( bState );				break;		}	}