>-disabled-</option></select></p> 
        <p>Please ensure a copy of this keyboard's *.js resides at the specified location within the <code>unit_tests/</code> folder.</p>
      </td>
      <td style="width:50%;">
        <p>Currently active stub (for use with addKeyboards):</p>
        <textarea id='activeStub' style="width:80%; height:100px" readonly></textarea>
      </td>
    </tr>
  </table>  
  <hr/>
  <table style="width:100%">
    <tr>
      <td style="width:50%">
        <h2>Constraint Selection</