Add required designation code to a donation page

required_designation_code.html

<fieldset>
<legend>Designation Code</legend>
<p>This is an area where you can make a pitch.  It can run on for as long as you want, or not exist at all.</p>
<div class="formRow">
  <label for="designation_code">Organization</label><span class='required'>*</span
  <input type="text" id="designation_code" name="Designation_Code" val="">>
</div>
</fieldset>
<script type="text/javascript">
  $(document).ready(function() {
    var required = $('*[name=required]');
    var val = required.val();
    if (val.indexOf('Designation_Row') == -1) {
      val = val + "Designation_Code,";
      required.val(val);
    }
  });
</script>