f the dragged group.
      </td>
      <td>Fired after the dragging of a group is finished.
      </td>
    </tr>

    <tr>
      <td>changed</td>
      <td>
        Has no properties.
      </td>
      <td>Fired once after each graph redraw.
      </td>
    </tr>
    <tr>
      <td>rangechange</td>
      <td>
        <ul>
          <li><code>start</code> (Number): timestamp of the current start of the window.</li>
          <li><code>end</code> (Number): timestamp of the current end of the window.</li>
   