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
Series seDT = findDesignTimeSeries((Series) source); 
					String id = Integer.toString(pre.hashCode());
					
					List components = (List) labelPrimitives.get(seDT);
					if (components == null) {
						components = new ArrayList();
						labelPrimitives.put(seDT, components);
					}
					
					components.add(id);
					
					
					
					Element outerGroup = svg_g2d.createElement("g"); 
					svg_g2d.pushParent(outerGroup);
					
					Element primGroup = svg_g2d.createElement("g"); 
					outerGroup.appendChild(primGroup);
					svg_g2d.pushParent(primGroup);
					primGroup.setAttribute("id", seDT.hashCode() + "_" + id); 
					primGroup.setAttribute("style", "visibility:visible;"); 
					outerGroup.setAttribute("id", seDT.hashCode() + "_" + id+"_g"); 
					outerGroup.setAttribute("style", "visibility:visible;"); 
					} catch (ChartException e) {
						logger.log(e);
						return;
					}
				}
			}
			else{