s1.add(new Task("Task 1", new SimpleTimePeriod(new Date(),
                new Date())));
        s1.add(new Task("Task 2", new SimpleTimePeriod(new Date(),
                new Date())));
        s1.add(new Task("Task 3", new SimpleTimePeriod(new Date(),
                new Date())));

        TaskSeries s2 = new TaskSeries("S2");