private void addChart1() {
    List<SimpleNumberSeries<Integer>> lines = new ArrayList<SimpleNumberSeries<Integer>>();
    lines.add(new SimpleNumberSeries<Integer>(2, 3, 1, 4, 3));
    lines.add(new SimpleNumberSeries<Integer>(1, 4, 3, 2, 5));

    JQPlot chart1 = new JQPlot("chart1", new ListModel<SimpleNumberSeries<Integer>>(lines));

    PlotOptions chart1O = chart1.getOptions();
    chart1O.setTitle(
        "Stacked Filled Line Plot with Transparency (transparency not supported in IE6)");
    chart1O.setStackSeries(true);
    chart1O.getGrid().setBackground("#fefbf3").setBorderWidth(2.5);
    chart1O.getSeriesDefaults().setFill(true).setShowMarker(false).setShadow(false);
    chart1O.getAxes().getXaxis().setPad(1.0).setNumberTicks(5).setAutoscale(false);
    chart1O.getAxes().getYaxis().setMin(0.0).setMax(12.0).setNumberTicks(5);
    chart1O.addNewSeries().setColor("rgba(68, 124, 147, 0.7)");
    chart1O.addNewSeries().setColor("rgba(150, 35, 90, 0.7)");

    add(chart1);
  }