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
designObject = sourceObject.getSource( );
				}
				else if ( getElementFromSource( sourceObject,
						StructureType.CHART_BLOCK ) != null )
				{
					designObject = sourceObject.getSource( );
				}
				else if ( getElementFromSource( sourceObject,
						StructureType.PLOT ) != null )
				{
					designObject = sourceObject.getSource( );
				}
				else if ( getElementFromSource( sourceObject,
						StructureType.AXIS ) != null )
				{
					designObject = sourceObject.getSource( );
				}
				if ( designObject != null )
				{
					String groupIdentifier = String.valueOf( designObject.hashCode( ) );
					String id = Integer.toString( pre.hashCode( ) );
					List<String> components = componentPrimitives.get( designObject );
					if ( components == null )
					{
						components = new ArrayList<String>( );
						componentPrimitives.put( designObject, components );
					}
					
					
					String idTemp = id;