anchor.diff:  
         layers: [
           base_layer_tilejson,
  -        data_layer_tilejson 
  +        data_layer_tilejson
         ]
       };
   
  -    var opt = get_url_params();
  +    if(opt.title === 'true' || opt.description === 'true') {
  +      vis_data.overlays.splice(0, 0, { type: 'header' });
  +    }
   
  -    var southWest = new L.LatLng(opt.sw_lat || -40, opt.sw_lon || -80)
  -      , northEast = new L.LatLng(opt.ne_lat || 72, opt.ne_lon || 80)
  -      , bounds = new L.LatLngBounds(southWest, northEast);
  +    vis_data.bounds = [
  +      [opt.sw_lat, opt.sw_lon],
  +      [opt.ne_lat, opt.ne_lon],
  +    ];
   
       if(opt.sql) {
         data_layer_tilejson.query = opt.sql;
  
positive.code:       return params;
      }
  
      var vis_data = {
         title: table_name,
         description: table_description,
         center: [0, 0],
         zoom: 4,
  
         overlays: [
          {
            type: 'header'
          },
          { 
            type: 'zoom',
            template: '<a class="zoom_in">+</a> <a class="zoom_out">-</a>'
          }
  
negative.code:     <script id="infowindow_template" type="text/tmpl">
        <div class="cartodb-popup">
          <div class="cartodb-popup-content-wrapper">
            <div class="cartodb-popup-content">
              {{#content.fields}}
              {{#title}}<h4>{{title}}</h4>{{/title}}
              <p>{{value}}</p> {{/content.fields}}
            </div>
          </div>
          <div class="cartodb-popup-tip-container">
          </div>
        </div>
      </script>
  
  