Never before have some many languages done so little

GSP snippet of wrongness.html

<tbody>
  <tr>
    <td style="text-align:right" colspan="2">
     <g:javascript>
      var types = new Array();
      <g:each var="code" status="i" in="${ProjectCodeType.values()}">
        types[${i}] = "${code.toString()}";
      </g:each>
      var adder${projectInstance.id} = new ProjectCodeAdder("project${projectInstance.id}",types);
      adder${projectInstance.id}.id = ${newProjectCodeCounter};
     </g:javascript>
    <span class="bottom_button">
     <input type="button" class="create" value="Add Code"
      onClick="adder${projectInstance.id}.addCode()"/>
    </span>
    </td>
  </tr>
</tbody>

I have totally done some this dumb before...