(menu-bar-scroll-bar-right)

(menu-bar-scroll-bar-left, menu-bar-scroll-bar-none)
(showhide-menu-bar): New functions.
(menu-bar-showhide-menu): New submenu "Show/Hide".
(menu-bar-showhide-scroll-bar-menu): "Scroll-bar" submenu of "Show/Hide".
Update copyright notice.

lisp/menu-bar.el

 ;;; menu-bar.el --- define a default menu bar
 
-;; Copyright (C) 1993, 1994, 1995, 2000, 2001 Free Software Foundation, Inc.
+;; Copyright (C) 1993, 1994, 1995, 2000, 2001, 2002 Free Software Foundation, Inc.
 
 ;; Author: RMS
 ;; Maintainer: FSF
@@ -484,6 +484,82 @@ Do the same for the keys of the same name."
 
 ;; The "Options" menu items
 
+;; The "Show/Hide" submenu of menu "Options"
+
+(defvar menu-bar-showhide-menu (make-sparse-keymap "Show/Hide"))
+(defvar menu-bar-showhide-scroll-bar-menu (make-sparse-keymap "Scroll-bar"))
+
+(defun menu-bar-scroll-bar-right ()
+  "Turn on the scroll-bar on the right side."
+  (interactive)
+  (set-scroll-bar-mode 'right))
+
+(defun menu-bar-scroll-bar-left ()
+  "Turn on the scroll-bar on the left side."
+  (interactive)
+  (set-scroll-bar-mode 'left))
+
+(defun menu-bar-scroll-bar-none ()
+  "Turn off the scroll-bar."
+  (interactive)
+  (set-scroll-bar-mode nil))
+
+(define-key menu-bar-showhide-scroll-bar-menu [right]
+  '(menu-item "On the Right" menu-bar-scroll-bar-right
+	      :help "Scroll-bar on the right side"
+	      :visible window-system
+	      :button (:radio . (eq scroll-bar-mode 'right))))
+
+(define-key menu-bar-showhide-scroll-bar-menu [left]
+  '(menu-item "On the Left" menu-bar-scroll-bar-left
+	      :help "Scroll-bar on the left side"
+	      :visible window-system
+	      :button (:radio . (eq scroll-bar-mode 'left))))
+
+(define-key menu-bar-showhide-scroll-bar-menu [none]
+  '(menu-item "None" menu-bar-scroll-bar-none
+	      :help "Turn off scroll-bar"
+	      :visible window-system
+	      :button (:radio . (eq scroll-bar-mode nil))))
+
+(define-key menu-bar-showhide-menu [showhide-scroll-bar]
+  (list 'menu-item "Scroll-Bar" menu-bar-showhide-scroll-bar-menu
+	:visible window-system
+	:help "Select scroll-bar mode"))
+
+(defun showhide-menu-bar ()
+  "Toggle whether to turn menu-bar on/off."
+  (interactive)
+  (if (menu-bar-mode)
+      (message "Menu-bar mode enabled.")
+    (message "Menu-bar mode disabled.  Use M-x menu-bar-mode to make the menu bar appear.")))
+
+(define-key menu-bar-showhide-menu [showhide-menu-bar]
+  '(menu-item "Menu-bar" showhide-menu-bar
+	      :help "Toggle menu-bar on/off"
+	      :button (:toggle . menu-bar-mode)))
+
+(defun showhide-tool-bar ()
+  "Toggle whether to turn tool-bar on/off."
+  (interactive)
+  (if (tool-bar-mode)
+      (message "Tool-bar mode enabled.")
+    (message "Tool-bar mode disabled.")))
+
+(define-key menu-bar-showhide-menu [showhide-tool-bar]
+  '(menu-item "Tool-bar" showhide-tool-bar
+	      :help "Turn tool-bar on/off"
+	      :visible window-system
+	      :button (:toggle . tool-bar-mode)))
+
+(define-key menu-bar-options-menu [showhide]
+  (list 'menu-item "Show/Hide" menu-bar-showhide-menu
+	:help "Toggle on/off various display features"))
+
+(define-key menu-bar-options-menu [showhide-separator]
+  '("--"))
+
+
 (defvar menu-bar-custom-menu (make-sparse-keymap "Customize"))
 
 (define-key menu-bar-custom-menu [customize-apropos-groups]