anchor.diff:  
   <script type="text/javascript">
   (function($) {
  +    // Are we upgrading a list?
  +    var upgrading = false;
  +    <c:if test="${empty buildNewBag}">upgrading = true;</c:if>
  +
       // Show loading sign.
       var loading = $('#ctxHelpDiv');
       loading.show().find('#ctxHelpTxt').html('Please wait &hellip;');
  
positive.code:     <h1 class="title">Verifying identifiers</h1>
  
      <!-- progress -->
      <div id="list-progress">
          <div class="gray"><strong>1</strong> <span>Upload list of identifiers</span></div
          ><div class="gray-to-white">&nbsp;</div
  
negative.code:     <!-- additional matches -->
      <div id="additionalMatches" class="body" style="display:none">
        <div class="oneline">
          <h2>Add additional matches</h2>
          <div id="iframe"></div>
        </div>
        <div style="clear:both;"></div>
  