Bug 212246 Browsers keep poping up when click the series with interactivity Focus-Hyperlink [13]
chart/org.eclipse.birt.chart.device.extension/src/org/eclipse/birt/chart/device/image/JavaxImageIOWriter.java
dph = null;
					}
					String callbackFunction = getJSMethodName( condition, sa )
							+ "("; 
					callbackFunction = ScriptUtil.script( callbackFunction, dph );
					callbackFunction += ");"; 
					tag.addAttribute( htmlAttr,
							eval2JS( callbackFunction, true ) );
					return true;
			}
		}
		return false;
	}
	protected boolean processOnFocus( ShapedAction sa, HTMLTag tag )
	{
		
		return processCommonEvent( sa,
				tag,
				TriggerCondition.ONFOCUS_LITERAL,
				HTMLAttribute.ONFOCUS );
	}
	protected boolean processOnBlur( ShapedAction sa, HTMLTag tag )
	{
		
		return processCommonEvent( sa,
				tag,
				TriggerCondition.ONBLUR_LITERAL,
				HTMLAttribute.ONBLUR );
	}
	protected boolean processOnClick( ShapedAction sa, HTMLTag tag )