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
+ IActionRenderer.LEGEND_ITEM_TEXT
				+ ","
				+ IActionRenderer.LEGEND_ITEM_VALUE
				+ ","
				+ IActionRenderer.AXIS_LABEL
				+ ","
				+ ScriptHandler.ID
				+ ","
				+ ScriptHandler.COMP_LIST
				+ ","
				+ ScriptHandler.LABEL_LIST
				+ ")";
	}
	
	private DataPointHints getDataPointHints( StructureSource src )
	{
		if ( src.getType( ) == StructureType.SERIES_DATA_POINT
				|| src.getType( ) == StructureType.SERIES_ELEMENT )
		{
			return (DataPointHints) src.getSource( );
		}
		if ( src instanceof WrappedStructureSource )
		{
			
			return getDataPointHints( ( (WrappedStructureSource) src ).getParent( ) );
		}
		return null;
	}
}