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
case TriggerCondition.ONDBLCLICK :
			return"onclick"; 
		case TriggerCondition.ONMOUSEDOWN :
			return"onmousedown"; 
		case TriggerCondition.ONMOUSEUP :
			return"onmouseup"; 
		case TriggerCondition.ONMOUSEOVER :
			return"onmouseover"; 
		case TriggerCondition.ONMOUSEMOVE :
			return"onmousemove"; 
		case TriggerCondition.ONMOUSEOUT :
			return"onmouseout"; 
		case TriggerCondition.ONFOCUS :
			return"onfocusin"; 
		case TriggerCondition.ONBLUR :
			return"onfocusout"; 
		case TriggerCondition.ONKEYDOWN :
			return"onkeydown"; 
		case TriggerCondition.ONKEYPRESS :
			return"onkeypress"; 
		case TriggerCondition.ONKEYUP :
			return"onkeyup"; 
		case TriggerCondition.ONLOAD :
			return"onload"; 
		}
		return null;
		
	}
	protected void setCursor( Element currentElement )
	{