Bug 139391 [Regression]Chart interactivity didn't work well
Steps to reproduce: 1.Add a chart, add a drill-through interactivity to chart title 2.Preview in Web Viewer, click chart title Expected result: Link to the target report, and the report display in a new window correctly Actual result: Link to the target report in the "_self" window, and display the target report incorrectly (see the sreenshot)
chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGInteractiveRenderer.java
}
	
	public Node getHotspotLayer( )
	{
		return hotspotLayer;
	}
	public void createHotspotLayer( Document dom )
	{
		hotspotLayer = dom.createElement( "g" ); 
		hotspotLayer.setAttribute( "id", "hotSpots" ); 
		hotspotLayer.setAttribute( "style", "fill-opacity:0.01;fill:#FFFFFF;" ); 
	}
	private ULocale getULocale( )
	{
		return locale;
	}
	private boolean isColoredByCategories( )
	{
		return this._iun.getRunTimeModel( ).getLegend( ).getItemType( ) == LegendItemType.CATEGORIES_LITERAL;
	}
	
	private void addJSCodeOnElement( StructureSource src, Trigger tg, Element elm, String scriptEvent, int type )
	{
		final Series seRT = (Series) getElementFromSource( src,
				StructureType.SERIES );
		if ( seRT != null )
		{
			Series seDT = null;
			String groupIdentifier = null;