anchor.diff:        }
       }
   
  -    function loadSmallMap(card, index) {
  -      var sMURL = URLForDimensions(card.url, SMWidth, SMHeight);
  +    function loadSmallMap(map, index) {
  +      var sMURL = URLForDimensions(map.url, SMWidth, SMHeight);
   
         document.getElementById('sm-' + index).setAttribute('src', sMURL)
       }
  
positive.code: 
      }
  
      function loadBigMap(card) {
        var bMURL = URLForDimensions(card.url, BMWidth, BMHeight);
  
        document.getElementById('bm').setAttribute('src', bMURL)
        document.getElementById('title').innerHTML = 'Untitled Map';
        document.getElementById('author').innerHTML = 'by ' + card.username;
      }
  
      function setupBigMap() {
  
negative.code: </div>
  
  <script type="text/javascript">
    var maps = <%= raw @maps.map { |map| present_map(map) }.to_json %>
    var currentlyShowing = 0;
  
    $(document).ready(function () {
  