Index: trunk/src/org/openstreetmap/josm/data/coor/EastNorth.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/coor/EastNorth.java	(revision 476)
+++ trunk/src/org/openstreetmap/josm/data/coor/EastNorth.java	(revision 477)
@@ -22,4 +22,8 @@
 		return y;
 	}
+
+	public EastNorth add(double dx, double dy) {
+		return new EastNorth(x+dx, y+dy);
+	}
 	
 	@Override public String toString() {