t="itemEditable" class="hidden">
      <td class="indent">editable.updateTime</td>
      <td>boolean</td>
      <td>no</td>
      <td>If true, items can be dragged to another moment in time. See section <a href="#Editing_Items">Editing Items</a> for a detailed explanation.</td>
    </tr>
  </table>

  <h3 id="groups">Groups</h3>
  <p>
    For the items, groups can be an Array, a DataSet (offering 2 way data binding),
    or a DataView (offering 1 way data binding).

    Using groups, items can be grouped to