   </td>
  </tr>
  <tr>
    <td colspan="3"><b>Normal<b></td>
  </tr>
  <tr>
    <td>
        <input class='slider' data-name="normal" data-index="0" type="range"
          min="-0.5" max="0.5" step="0.01" value="0"/>
    </td>
    <td>
        <input class='slider' data-name="normal" data-index="1" type="range"
          min="-0.5" max="0.5" step="0.01" value="0"/>
    </td>
    <td>
        <input class='slider' data-name="normal" data-index="2" type="range"
          min="-0.5" max="0.5" step="0.01" valu