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
case ActionType.TOGGLE_DATA_POINT_VISIBILITY :
					jsFunction = "toggleLabelsVisibility(evt"; 
					includeLabels = true;
					includeGraphics = false;
					break;
				case ActionType.HIGHLIGHT :
					jsFunction = "highlight(evt"; 
					includeLabels = true;
					includeGraphics = true;
					break;
			}
			if ( jsFunction == null )
			{
				assert false;
				return;
			}
			if ( includeGraphics || includeLabels )
			{
				StringBuffer sb = new StringBuffer( );
				sb.append( ", " );
				sb.append( groupIdentifier );
				sb.append( ",new Array(" ); 
				List<String> labelComponents = labelPrimitives.get( seDT );
				List<String> components = componentPrimitives.get( seDT );
				Iterator<String> iter = null;
				
				if ( includeGraphics && components != null )
				{
					iter = components.iterator( );
					appendArguments( sb, iter );