Index: src/django_gheat/wlheatmap/static/heatmap.js
===================================================================
--- src/django_gheat/wlheatmap/static/heatmap.js	(revision 9544)
+++ src/django_gheat/wlheatmap/static/heatmap.js	(revision 9546)
@@ -21,4 +21,5 @@
       new OpenLayers.Control.Navigation(),
       new OpenLayers.Control.Permalink(),
+      new OpenLayers.Control.PanZoomBar(),
       new OpenLayers.Control.MousePosition({ 'displayProjection' : projection_wgs }),
 
@@ -58,11 +59,11 @@
   map.addLayer(layerHeatmap3);
 
-  layerHeatmap = new OpenLayers.Layer.OSM.Overlay1("Original Heatmap generator", {isBaseLayer: false, visibility: false});
-  map.addLayer(layerHeatmap);
+//  layerHeatmap = new OpenLayers.Layer.OSM.Overlay1("Original Heatmap generator", {isBaseLayer: false, visibility: false});
+//  map.addLayer(layerHeatmap);
 	
   var lonLat = new OpenLayers.LonLat(lon, lat).transform(new OpenLayers.Projection("EPSG:4326"), map.getProjectionObject());
   map.setCenter (lonLat, zoom);
 
-  signallayer = new OpenLayers.Layer.OSM.Overlay4("signallayer", {isBaseLayer: false, visibility: true});
+  signallayer = new OpenLayers.Layer.OSM.Overlay4("signallayer", {isBaseLayer: false, visibility: false});
   map.addLayer(signallayer);
 
@@ -72,10 +73,10 @@
    */
 
-  $("#default").append("<span id=\"" + layerHeatmap.name + "\"><div id='layer_switcher_colour' style='background-color:rgb(" + layerHeatmap.colour + ")' /><input type=checkbox id=togglelayer /><font>" + layerHeatmap.name + " </font><br /></span>");
+//  $("#default").append("<span id=\"" + layerHeatmap.name + "\"><div id='layer_switcher_colour' style='background-color:rgb(" + layerHeatmap.colour + ")' /><input type=checkbox id=togglelayer /><font>" + layerHeatmap.name + " </font><br /></span>");
 
-  $("#default").append("<span id=\"" + layerHeatmap2.name + "\"><div id='layer_switcher_colour' style='background-color:rgb(" + layerHeatmap2.colour + ")' /><input type=checkbox id=togglelayer checked/><font>" + layerHeatmap2.name + " </font><br /></span>");
+  $("#default").append("<span id=\"" + layerHeatmap2.name + "\"><div id='layer_switcher_colour' style='background-color:rgb(" + layerHeatmap2.colour + ")' /><input type=checkbox id=togglelayer /><font>" + layerHeatmap2.name + " </font><br /></span>");
 
   $("#default").append("<span id=\"" + layerHeatmap3.name + "\"><div id='layer_switcher_colour' style='background-color:rgb(" + layerHeatmap3.colour + ")' /><input type=checkbox id=togglelayer checked/><font>" + layerHeatmap3.name + " </font><br /></span>");
 
-  $("#default").append("<span id=\"" + signallayer.name + "\"><div id='layer_switcher_colour' style='background-color:rgb(" + signallayer.colour + ")' /><input type=checkbox id=togglelayer checked /><font>Signal strength: 0 - 100</font><br /></span>");
+  $("#default").append("<span id=\"" + signallayer.name + "\"><div id='layer_switcher_colour' style='background-color:rgb(" + signallayer.colour + ")' /><input type=checkbox id=togglelayer /><font>Signal strength: 0 - 100</font><br /></span>");
 }