Bug 132645 Mouse Double Click/URL Redirect on Y series of Line Chart does not work
Decription: Add a interactivity on line chart, mouse double click/URL Redirect on Y Series, does not work. Steps to reproduce: 1.Add a line chart, bind with valid dataset. 2.In the "Format Chart" tab, add a interactivity on "Value(Y) Series", the type is "Mouse Double Click", and the action is set "URL Redirect". 3.Preview in layout, click on the Y Series, interactivity does not work.
chart/org.eclipse.birt.chart.device.extension/src/org/eclipse/birt/chart/device/image/JavaxImageIOWriter.java
return false;
				case ActionType.INVOKE_SCRIPT :
					ScriptValue sv = (ScriptValue) ac.getValue( );
					if ( StructureType.SERIES_DATA_POINT.equals( sa.getSource( )
							.getType( ) ) )
					{
						final DataPointHints dph = (DataPointHints) sa.getSource( )
								.getSource( );
						String callbackFunction = SCRIPT_DBLCLICK + "("; 
						callbackFunction = ScriptUtil.script( callbackFunction,
								dph );
						callbackFunction += ");"; 
						tag.addAttribute( HTMLAttribute.ONDBLCLICK,
								eval( callbackFunction ) );
					}
					else
					{
						tag.addAttribute( HTMLAttribute.ONDBLCLICK,
								eval( sv.getScript( ) ) );
					}
					return true;
			}
		}
		return false;
	}
	protected boolean processOnMouseOver( ShapedAction sa, HTMLTag tag )
	{
		
		Action ac = sa.getActionForCondition( TriggerCondition.ONMOUSEOVER_LITERAL );