Index: /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/Tile.java
===================================================================
--- /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/Tile.java	(revision 29361)
+++ /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/Tile.java	(revision 29362)
@@ -311,3 +311,14 @@
         return metadata;
     }
+
+    public void initLoading() {
+        loaded = false;
+        error = false;
+        loading = true;
+    }
+
+    public void finishLoading() {
+        loading = false;
+        loaded = true;
+    }
 }