text: $(document).ready(function() {
      var monthly_sales = [
      [new Date("2012-09-01T01:00:00+01:00"), 1486],
      [new Date("2012-10-01T01:00:00+01:00"), 952],
      [new Date("2012-11-01T00:00:00+00:00"), 2461],
      [new Date("2012-12-01T00:00:00+00:00"), 631],
      [new Date("2013-01-01T00:00:00+00:00"), 3644],
      [new Date("2013-02-01T00:00:00+00:00"), 0],
      [new Date("2013-03-01T00:00:00+00:00"), 0],
      [new Date("2013-04-01T01:00:00+01:00"), 0],
      [new Date("2013-05-01T01:00:00+01:00"), 0],
      [new Date("2013-06-01T01:00:00+01:00"), 0],
      [new Date("2013-07-01T01:00:00+01:00"), 0],
      ]
      var chart1 = new Charts.LineChart('chart1', {
        show_grid: true,
        show_y_labels: true,
        show_x_labels:true,
        label_max: false,
        label_min: false,
        multi_axis: false,
        max_y_labels: 9,
        max_x_labels: 48,
        x_padding: 55,
        y_padding:40,
        x_label_size: 13,
        label_format: "%m/%Y",
        y_axis_scale: [0, 8000]
      });
  
      chart1.add_line({
        data: monthly_sales,
        options: {
          line_color: "#16728c",
          dot_color: "#16a2cb",
          dot_stroke_size: 1,
          dot_stroke_color: "#16728c",
          area_opacity: 0.3,
          dot_size: 5,
          line_width: 1,
          smoothing: 0
        }
      });
      chart1.draw();
  })
  