Bug 132630 Additional markers can not support interactivity
Additional markers can not support interactivity Steps: 1.Create a line chart 2.Set Y series marker to additional marker such as star or ellipse 3.Add a interactivity such as showTooltip to Y series 4.Preview in web viewer Actual results: 1.Additional markers can not support interactivity Expected Results: 1.Additional markers can nsupport interactivity
chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGRendererImpl.java
* The SVG namespace http:www.w3.org/2000/svg
	 */
	static private final String XMLNS = "http:www.w3.org/2000/svg"; 
	/**
	 * The  xmlns:xlink is
	 * "http:www.w3.org/1999/xlink".
	 */
	static private final String XMLNSXINK = "http:www.w3.org/1999/xlink"; 
	
	/**
	 * 
	 */
	private Object oOutputIdentifier = null;
	/**
	 * Document object that represents the SVG
	 */
	protected Document dom;
	
	/**
	 * SVG Graphic context
	 */
	protected SVGGraphics2D svggc;
	
	/**
	 * Element that represents the hot spot layer
	 */
	protected Element hotspotLayer;
	
	/**
	 * Property that determins if the SVG should resize to the containing element dimensions.