Bug 134632 SVG chart visibility interaction does not work correctly.
chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGInteractiveRenderer.java
}
		currentElement.setAttribute( "style", style + "cursor:pointer;" ); 
	}
	public void clear( )
	{
		labelPrimitives.clear( );
		componentPrimitives.clear( );
		scripts.clear( );
	}
	
	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 )