Index: /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/DefaultMapController.java
===================================================================
--- /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/DefaultMapController.java	(revision 32073)
+++ /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/DefaultMapController.java	(revision 32074)
@@ -83,5 +83,6 @@
     public void mouseWheelMoved(MouseWheelEvent e) {
         if (wheelZoomEnabled) {
-            map.setZoom(map.getZoom() - e.getWheelRotation(), e.getPoint());
+            int rotation = JMapViewer.zoomReverseWheel ? -e.getWheelRotation() : e.getWheelRotation();
+            map.setZoom(map.getZoom() - rotation, e.getPoint());
         }
     }
Index: /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/JMapViewer.java
===================================================================
--- /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/JMapViewer.java	(revision 32073)
+++ /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/JMapViewer.java	(revision 32074)
@@ -46,4 +46,7 @@
     /** whether debug mode is enabled or not */
     public static boolean debug;
+
+    /** option to reverse zoom direction with mouse wheel */
+    public static boolean zoomReverseWheel;
 
     /**