Index: src/django_gheat/website/static/OpenStreetMap.js
===================================================================
--- src/django_gheat/website/static/OpenStreetMap.js	(revision 9270)
+++ src/django_gheat/website/static/OpenStreetMap.js	(revision 9271)
@@ -150,5 +150,5 @@
     },
 
-    CLASS_NAME: "OpenLayers.Layer.Overlay1"
+    CLASS_NAME: "OpenLayers.Layer.Overlay"
 });
 
@@ -163,5 +163,5 @@
     },
 
-    CLASS_NAME: "OpenLayers.Layer.Overlay2"
+    CLASS_NAME: "OpenLayers.Layer.Overlay"
 });
 
@@ -176,4 +176,4 @@
     },
 
-    CLASS_NAME: "OpenLayers.Layer.Overlay3"
+    CLASS_NAME: "OpenLayers.Layer.Overlay"
 });