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
	 * @param action
	 */
	private void addTooltipJSCode( Element elm, StructureSource src,
			String scriptEvent, boolean bDblClick, Action action )
	{
		String tooltipText = ( (TooltipValue) action
				.getValue( ) ).getText( );
		
		if ( ( tooltipText != null )
				&& ( tooltipText.trim( ).length( ) > 0 ) )
		{
			Element title = svg_g2d.dom.createElement( "title" ); 
			title.appendChild( svg_g2d.dom.createTextNode( tooltipText ) );
			elm.appendChild( title );
			
			
			
			String componentId = null;
			if ( src instanceof WrappedStructureSource )
			{
				componentId = findFirstComponentId( (WrappedStructureSource) src );
			}