+ function updateLayers(params) {
+ var layerParam = params.layers || "M";
+ var layersAdded = "";
+
+ for (var i = layers.length - 1; i >= 0; i--) {
+ if (layerParam.indexOf(layers[i].options.code) >= 0) {
+ map.addLayer(layers[i]);
+ layersAdded = layersAdded + layers[i].options.code;
+ } else if (i == 0 && layersAdded == "") {
+ map.addLayer(layers[i]);
+ } else {
+ map.removeLayer(layers[i]);
+ }
+ }
+ }
+
+ updateLayers(params);
+
+ $(window).on("hashchange", function () {
+ updateLayers(OSM.mapParams());
+ });
+
+ map.on("baselayerchange", function (e) {
+ if (map.getZoom() > e.layer.options.maxZoom) {
+ map.setView(map.getCenter(), e.layer.options.maxZoom, { reset: true });
+ }
+ });
+
+ map.noteLayer = new L.LayerGroup();
+ map.noteLayer.options = {code: 'N'};
+
+ map.dataLayer = new L.OSM.DataLayer(null);
+ map.dataLayer.options.code = 'D';