Bug 312531 Highlight works differently when run SvgInteractivityViewer.java [13]
chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGInteractiveRenderer.java
sb.append( "'" );
				sb.append( seDT.hashCode( ) );
				sb.append( "index" ); 
				sb.append( baseIndex );
				sb.append( "'" );
				groupIdentifier = sb.toString( );
			}
			else
			{
				try
				{
					seDT = findDesignTimeSeries( seRT );
				}
				catch ( ChartException e )
				{
					logger.log( e );
					return;
				}
				groupIdentifier = String.valueOf( seDT.hashCode( ) );
			}
			boolean includeLabels = false;
			boolean includeGraphics = false;
			String jsFunction = null;
			switch ( type )
			{
				case ActionType.TOGGLE_VISIBILITY :
					jsFunction = "toggleVisibility(evt"; 
					includeLabels = true;
					includeGraphics = true;
					break;