+ map.addLayer(transportmap);
+ } else if (args.layer == "mapquest") {
+ var mapquestmap = new OpenLayers.Layer.OSM("MapQuest Open Map", [
+ "http://otile1.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png",
+ "http://otile2.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png",
+ "http://otile3.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png",
+ "http://otile4.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png"], {
+ displayOutsideMaxExtent: true,
+ wrapDateLine: true,
+ attribution: "Tiles courtesy of <a href='http://www.mapquest.com/' target='_blank'>MapQuest</a> <img src='http://developer.mapquest.com/content/osm/mq_logo.png'>"
+ });
+ map.addLayer(mapquestmap);