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
* @param elm
	 * @param src
	 * @param scriptEvent
	 * @param bDblClick
	 */
	private void setURLValueAttributes( URLValue urlValue, Element elm,
			StructureSource src, String scriptEvent, boolean bDblClick )
	{
		String url = ""; 
		if ( urlValue.getBaseUrl( ).startsWith( "#" ) ) { 
			url = "top.document.location.hash='" 
			+ urlValue.getBaseUrl( )
			+ "';";
		}
		
		else if ( urlValue.getBaseUrl( )
				.startsWith( "javascript:" ) ) 
		{
			url = urlValue.getBaseUrl( );
		}
		else
		{
			String target = urlValue.getTarget( );
			if ( target == null )
				target = "null"; 
			
			
			
			String jsRedirect = "redirect('" 
					+ target