...
       <tr>
          <td class="setting-leftspace"> </td>
          <td class="setting-name">Choose your threshold mode</td>
          <td class="setting-main">
           <input name="thresholdMode" value="1" type="radio" checked="true" />
           <label class="attach-previous">Use a number of tests</label>
           <br />
           <input name="thresholdMode" value="2" type="radio" /><label class="attach-previous">Use a percent of tests</label>
          </td>
        </tr>
        <tr class="validation-error-area"><td colspan="2"></td><td></td></tr>
      </tbody></table>
    </td></tr>
  </td></tr>
  <br /><br />  <!-- This is wrong HTML!!!! -->
  <tr><td colspan="3">
    <tr>
      <td></td>
      <td></td>
...