Adds spawn output rendering (variant of night which shows dark areas in red) and support for multiple map types with buttons to switch between them.

config.js

@@ -1,6 +1,5 @@
 
   var config = {
-    path:        'tiles',
     fileExt:     '{imgformat}',
     tileSize:     384,
     defaultZoom:  1,
@@ -28,6 +27,21 @@ var signGroups = [
     {label: "All", match: function(s) {return true}}
 ];
 
+/* mapTypeData -- a list of alternate map renderings available. At least one rendering must be
+ * listed.  When more than one are provided, controls to switch between them are provided, with
+ * the first one being the default.
+ *
+ * Required:
+ *     label : string. Displayed on the control.
+ *     path  : string. Location of the rendered tiles.
+ */
+var mapTypeData=[
+  {'label': 'Unlit', 'path': 'tiles'},
+//  {'label': 'Day',   'path': 'lighting/tiles'},
+//  {'label': 'Night', 'path': 'night/tiles'},
+//  {'label': 'Spawn', 'path': 'spawn/tiles'}
+];
+
 // Please leave the following variables here:
 var markerCollection = {}; // holds groups of markers