anchor.diff:            new OpenLayers.Control.PanZoomBar(),
             new OpenLayers.Control.Attribution(),
             new OpenLayers.Control.Permalink(),
  -    new OpenLayers.Control.LayerSwitcher()],
  +          new OpenLayers.Control.MousePosition(),
  +          new OpenLayers.Control.LayerSwitcher()],
         maxExtent: new OpenLayers.Bounds(-20037508.34,-20037508.34,20037508.34,20037508.34),
         maxResolution: 156543.0399,
         numZoomLevels: 19,
  
positive.code:       if (map.getZoom() > MIN_ZOOM_LEVEL) {
          $("#visstatus").html($("#changeset_list_template").render(obj.object));
  
          var bbox = map.getExtent().transform('EPSG:900913', 'EPSG:4326').toBBOX(8, false);
          $("#rss_link").attr('href', '/map.rss?bbox=' + bbox);
  
          $(".changeset_item").on('hover', function(e) {
  
negative.code:   layerBasic = new OpenLayers.Layer.OSM();
    map.addLayer(layerBasic);
  
    var strategy = new OpenLayers.Strategy.BBOX({resFactor: 1, ratio: 1});
  
    layerVector = new OpenLayers.Layer.Vector("Polygon (Forever)", {
         strategies: [strategy],
  