Bug 141706 Interactivity on SVG chart didn't work in Viewer
Steps to reproduce: 1.New a SVG chart, add an interactivity on chart title 2.Preview report in Web Viewer and click chart title Expected result: Link to the target page Actual result: Interactivity didn't work
chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGInteractiveRenderer.java
counter++;
					}
	
					components.add( idTemp );
	
					
					
					Element primGroup = svg_g2d.createElement( "g" ); 
					svg_g2d.pushParent( primGroup );
					primGroup.setAttribute( "id", groupIdentifier + "_" + idTemp ); 
					primGroup.setAttribute( "style", "visibility:visible;" ); 	
					svg_g2d.setDeferStrokColor( primGroup );
	
				}
			}
			
		}
	}
	/**
	 * UnGroups the svg drawing instructions that represents this primitive
	 * events.
	 * 
	 * @param pre
	 *            primitive render event
	 * @param drawText
	 *            TODO
	 */
	protected void ungroupPrimitive( PrimitiveRenderEvent pre, boolean drawText )
	{
		if ( _iun == null )