Bug 312531 Highlight works differently when run SvgInteractivityViewer.java [13]
chart/org.eclipse.birt.chart.examples/src/org/eclipse/birt/chart/examples/api/interactivity/SvgInteractivityViewer.java
cbType.add( "Highlight Series" );
		cbType.add( "Show Tooltip" );
		cbType.add( "Toggle Visibility" );
		cbType.add( "URL Redirect" );
		cbType.select( 0 );
		btn = new Button( cBottom, SWT.NONE );
		btn.setText( "Show" );
		btn.addSelectionListener( siv );
		shell.open( );
		while ( !shell.isDisposed( ) )
		{
			if ( !display.readAndDispatch( ) )
				display.sleep( );
		}
		display.dispose( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent)
	 */
	public void widgetSelected( SelectionEvent e )
	{
		if ( e.widget == btn )
		{
			int i = cbType.getSelectionIndex( );
			switch ( i )
			{
				case 0 :
					cm = InteractivityCharts.createHSChart( );