Index: /trunk/src/org/openstreetmap/josm/gui/bbox/SlippyMapControler.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/bbox/SlippyMapControler.java	(revision 4865)
+++ /trunk/src/org/openstreetmap/josm/gui/bbox/SlippyMapControler.java	(revision 4866)
@@ -100,7 +100,9 @@
         inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_UP, InputEvent.META_DOWN_MASK, false), "ZOOM_IN");
         inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_UP, InputEvent.ALT_DOWN_MASK, false), "ZOOM_IN");
+        inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_ADD, 0, false), "ZOOM_IN");
         inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, InputEvent.CTRL_DOWN_MASK, false), "ZOOM_OUT");
         inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, InputEvent.META_DOWN_MASK, false), "ZOOM_OUT");
         inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, InputEvent.ALT_DOWN_MASK, false), "ZOOM_OUT");
+        inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_SUBTRACT, 0, false), "ZOOM_OUT");
 
         // action mapping