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
if ( tv.getText( ) != null && tv.getText( ).length( ) > 0 )
					{
						tag.addAttribute( HTMLAttribute.TITLE,
								eval2HTML( tv.getText( ) ) );
						return true;
					}
					return false;
				case ActionType.INVOKE_SCRIPT :
					final DataPointHints dph;
					if ( StructureType.SERIES_DATA_POINT.equals( sa.getSource( )
							.getType( ) ) )
					{
						dph = (DataPointHints) sa.getSource( ).getSource( );
					}
					else
					{
						dph = null;
					}
					String callbackFunction = getJSMethodName( TriggerCondition.ONMOUSEOVER_LITERAL,
							sa )
							+ "("; 
					callbackFunction = ScriptUtil.script( callbackFunction, dph );
					callbackFunction += ");"; 
					tag.addAttribute( HTMLAttribute.ONMOUSEOVER,
							eval2JS( callbackFunction, true ) );
					return true;
			}
		}
		return false;
	}