btnNext = new Button( this, SWT.FLAT );
btnNext = new Button( this, SWT.NONE );
	private void placeComponents( )	{		RowLayout rlButtons = new RowLayout( SWT.HORIZONTAL );		rlButtons.marginHeight = 10;		rlButtons.marginWidth = 10;		rlButtons.spacing = 5;		rlButtons.wrap = false;		rlButtons.justify = false;		this.setLayout( rlButtons );		this.setLayoutData( new GridData( GridData.HORIZONTAL_ALIGN_END ) );		btnPrevious = new Button( this, SWT.FLAT );		btnPrevious.setText( Messages.getString( "WizardBase.Back" ) ); //$NON-NLS-1$		btnPrevious.addSelectionListener( wb );		btnPrevious.setLayoutData( new RowData( 70, 30 ) );		// DISABLED INITIALLY		btnPrevious.setEnabled( false );		btnNext = new Button( this, SWT.FLAT );		btnNext.setText( Messages.getString( "WizardBase.Next" ) ); //$NON-NLS-1$		btnNext.addSelectionListener( wb );		btnNext.setLayoutData( new RowData( 70, 30 ) );		// DISABLED INITIALLY		btnNext.setEnabled( false );		btnAccept = new Button( this, SWT.FLAT );		btnAccept.setText( Messages.getString( "WizardBase.Ok" ) ); //$NON-NLS-1$		btnAccept.addSelectionListener( wb );		btnAccept.setLayoutData( new RowData( 70, 30 ) );		btnCancel = new Button( this, SWT.FLAT );		btnCancel.setText( Messages.getString( "WizardBase.Cancel" ) ); //$NON-NLS-1$		btnCancel.addSelectionListener( wb );		btnCancel.setLayoutData( new RowData( 70, 30 ) );	}