Index: applications/editors/josm/plugins/restart/src/josmrestartplugin/RestartJosmAction.java
===================================================================
--- applications/editors/josm/plugins/restart/src/josmrestartplugin/RestartJosmAction.java	(revision 24193)
+++ applications/editors/josm/plugins/restart/src/josmrestartplugin/RestartJosmAction.java	(revision 24193)
@@ -0,0 +1,47 @@
+package josmrestartplugin;
+
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.KeyEvent;
+import java.io.File;
+
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.actions.JosmAction;
+import org.openstreetmap.josm.tools.PlatformHookWindows;
+import org.openstreetmap.josm.tools.Shortcut;
+
+public class RestartJosmAction extends JosmAction {
+
+    public RestartJosmAction() {
+        super(tr("Restart JOSM"), null, tr("Restart JOSM"),
+                Shortcut.registerShortcut("file:restart",
+                tr("File: {0}", tr("Restart JOSM")),
+                KeyEvent.VK_R, Shortcut.GROUP_MENU),
+                true);
+    }
+
+    public void actionPerformed(ActionEvent arg0) {
+        if (!Main.exitJosm(false)) return;
+        try {
+            File jarfile = new File(Main.class.getProtectionDomain().getCodeSource().getLocation().toURI());
+            long memmax = Runtime.getRuntime().maxMemory();
+            String javacmd = "java";
+            if (Main.platform instanceof PlatformHookWindows) javacmd = "javaw";
+            String[] cmds = new String[] {
+                    javacmd,
+                    "-Xmx" + memmax,
+                    "-jar",
+                    jarfile.getAbsolutePath()
+            };
+            for (String s : cmds)
+                System.out.print(s + " ");
+            System.out.println();
+            
+            Runtime.getRuntime().exec(cmds);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        System.exit(0);
+    }
+}
Index: applications/editors/josm/plugins/restart/src/josmrestartplugin/RestartPlugin.java
===================================================================
--- applications/editors/josm/plugins/restart/src/josmrestartplugin/RestartPlugin.java	(revision 24193)
+++ applications/editors/josm/plugins/restart/src/josmrestartplugin/RestartPlugin.java	(revision 24193)
@@ -0,0 +1,13 @@
+package josmrestartplugin;
+
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.plugins.Plugin;
+import org.openstreetmap.josm.plugins.PluginInformation;
+
+public class RestartPlugin extends Plugin {
+    public RestartPlugin(PluginInformation info) {
+        super(info);
+        Main.main.menu.fileMenu.insert(new RestartJosmAction(),
+                Main.main.menu.fileMenu.getItemCount()-1);
+    }
+}