extend default zoom to 19, OSM's maximum, simplify code

diff --git a/underlays/osm/ikiwiki/osm.js b/underlays/osm/ikiwiki/osm.js
index 9269bd8993250581b598cfd49abcef903ac04896..c41aeeb1f37c37b64a16832ce1bc8e0e0bc615b3 100644 (file)
--- a/underlays/osm/ikiwiki/osm.js
+++ b/underlays/osm/ikiwiki/osm.js
@@ -38,11 +38,11 @@ function mapsetup(divname, options) {
                projection: "EPSG:900913",
                units: "m",
                maxResolution: 156543.0339,
-               numZoomLevels: 18
+               numZoomLevels: 19
        });
 
        if (options.mapurl) {
-               var newLayer = new OpenLayers.Layer.OSM("Local Tiles", options.mapurl, {numZoomLevels: 19, isBaseLayer: true});
+               var newLayer = new OpenLayers.Layer.OSM("Local Tiles", options.mapurl);
                map.addLayer(newLayer);
        } else {
                map.addLayer(new OpenLayers.Layer.OSM());