anchor.diff:        }
       });
   
  +    map.on('zoomend', function(e){
  +      if (e.target._zoom > 6) {
  +        map.removeLayer(layer_without_labels);
  +        map.addLayer(layer_with_labels);
  +      } else {
  +        map.removeLayer(layer_with_labels);
  +        map.addLayer(layer_without_labels);
  +      }
  +    });
  +
       $(document.body).on('click', 'a.org-zoom', function(e) {
         var guid = e.target.hash.substring(1);
         var marker = getMarkerFromGuid(guid);
  
positive.code:       map.setZoom(18);
        map.panTo(marker._latlng);
        
        //map.closePopup().openPopup(marker._popup);
        marker.openPopup();
  
        e.preventDefault();
  
negative.code:     var maxWeight = 8;
      var maxOpacity = 0.666;
  
      var map = L.map('home-map', {
        scrollWheelZoom: true
      }).setView(defaultCenter, defaultZoom);
      
      var layer_without_labels = L.mapbox.tileLayer("<%= Digitalsocial::MAPBOX_HOME_MAP_ID %>");
      var layer_with_labels    = L.mapbox.tileLayer("<%= Digitalsocial::MAPBOX_SHOW_MAP_ID %>");
  
      map.addLayer(layer_without_labels);
  
      $.ajax({
        type: 'GET',
  