nFrame
    };
  })();

  SmoothieChart.defaultSeriesPresentationOptions = {
    lineWidth: 1,
    strokeStyle: '#ffffff'
  };

  /**
   * Adds a <code>TimeSeries</code> to this chart, with optional presentation options.
   *
   * Presentation options should be of the form (defaults shown):
   *
   * <pre>
   * {
   *   lineWidth: 1,
   *   strokeStyle: '#ffffff',
   *   fillStyle: undefined
   * }
   * </pre>
   */
  SmoothieChart.prototype.addTimeSeries = function(timeSeries, options) {
    this.seriesSet.