</tr>
    <tr>
      <td>id</td>
      <td>String or Number</td>
      <td>no</td>
      <td>An id for the item. Using an id is not required but highly
        recommended. An id is needed when dynamically adding, updating,
        and removing items in a DataSet.</td>
    </tr>
    <tr>
      <td>start</td>
      <td>Date or number or string or Moment</td>
      <td>yes</td>
      <td>The start date of the item, for example <code>new Date(2010,9,23)</code>.</td>
    </tr>
    <tr>
      <td>style</td>
    