Bug 141706 Interactivity on SVG chart didn't work in Viewer
Steps to reproduce: 1.New a SVG chart, add an interactivity on chart title 2.Preview report in Web Viewer and click chart title Expected result: Link to the target page Actual result: Interactivity didn't work
chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGInteractiveRenderer.java
{
	private Map labelPrimitives = new Hashtable( );
	private List scripts = new Vector( );
	/**
	 * Element that represents the hot spot layer
	 */
	protected Element hotspotLayer;
	private Map componentPrimitives = new Hashtable( );
	private IUpdateNotifier _iun;
	private static ILogger logger = Logger.getLogger( "org.eclipse.birt.chart.device.svg/trace" ); 
	SVGGraphics2D svg_g2d;
	private ULocale locale;
	private List cacheEvents = new ArrayList( );
	public SVGInteractiveRenderer( ULocale locale )