anchor.diff:  </table>
   
   <script type="text/javascript">
  -  var json= {
  -    "id": "root", 
  -    "name": "<%= @heat_map.enquiry_type.display_name %>",
  -    "children": [<%= @heat_map.json %>]
  -  };
  -</script>
  -  
  -<script type="text/javascript">
   
     var extra_criteria = <%= @filter_by == 'none' ? 'false' : 'true' %>;
     $('.extra').css('display', '<%= @filter_by == 'none' ? 'none' : '' %>');
  
positive.code:     animate = !(iStuff || !nativeCanvasSupport);
    })();
  
    // init TreeMap
    var treeMap = new $jit.TM.Squarified({
      injectInto: 'treemap-display',
  
negative.code:   $jit.util.addEvent($jit.id('go_to_parent'), 'click', function() {
      treeMap.out();
    });
  
  </script>
  
  