Index: /trunk/src/org/openstreetmap/josm/gui/MainApplet.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/MainApplet.java	(revision 3818)
+++ /trunk/src/org/openstreetmap/josm/gui/MainApplet.java	(revision 3819)
@@ -85,4 +85,8 @@
         I18n.init();
         Main.checkJava6();
+
+        String url = getParameter("load_url");
+        if(url != null)
+            args.put("download", Arrays.asList(new String[]{url}));
 
         // initialize the platform hook, and