case 4 : cm = InteractivityCharts.createCBChart( ); break;
	public void widgetSelected( SelectionEvent e )	{		if ( e.widget.equals( btn ) )		{			int iSelection = cbType.getSelectionIndex( );			switch ( iSelection )			{				case 0 :					cm = InteractivityCharts.createHSChart( );					break;				case 1 :					cm = InteractivityCharts.createSTChart( );					break;				case 2 :					cm = InteractivityCharts.createTVChart( );					break;				case 3 :					cm = InteractivityCharts.createURChart( );					break;			}			bNeedsGeneration = true;			this.redraw( );		}	}