Bug 128590 Tooltip of chart didn't show completely.
Description: Tooltip of chart didn't show completely. Steps to reproduce: 1. Preview attached report. 2. Move mouse from bottom/right into the chart. Expected result: Tooltip shows. Actual result: Tooltip didn't show completely.
chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGRendererImpl.java
Double.toString( width ) );
		svgDocument.getDocumentElement( ).setAttribute( "height", 
				Double.toString( height ) );
		return svgDocument;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.device.IStructureDefinitionListener#changeStructure(org.eclipse.birt.chart.event.StructureChangeEvent)
	 */
	public void changeStructure( StructureChangeEvent scev )
	{
	}
	protected void removeGroupStructure( Object block )
	{
		if ( ( block instanceof TitleBlock )
				|| ( block instanceof Legend )
				|| ( block instanceof Plot )
				|| ( block instanceof LabelBlock )
				|| ( block instanceof Series )
				|| ( block instanceof DataPointHints ) )
			svggc.popParent( );
	}
	protected void addGroupStructure( Object block )
	{
		if ( block instanceof TitleBlock )
		{
			Element group = svggc.dom.createElement( "g" ); 
			group.setAttribute( "id", "title" ); 
			svggc.pushParent( group );