void  selectSameEvents() {
		Event e=getLastEvent();
		if (e!=null) {
			Vector sameEvents = getSameEvents(timeLineObject);
			boolean remove=timeLineObject.selection.contains(e);
			if (!remove) {timeLineObject.selection.addAll(sameEvents);}
			else {timeLineObject.selection.removeAll(sameEvents);}
		}
	}