--- a/.emacs-my	Fri Dec 19 01:50:42 2014 +0200
+++ b/.emacs-my	Fri Dec 19 02:22:22 2014 +0200
@@ -234,8 +234,8 @@
 
 (setq display-buffer-reuse-frames t)
 
-;; Next code work with Emacs 21.4, 22.3, 23.1.
-(when window-system
+(defun my-maximize ()
+  ;; Next code work with Emacs 21.4, 22.3, 23.1.
   (let (
         (px (display-pixel-width))
         (py (display-pixel-height))
@@ -248,8 +248,12 @@
     (setq ty (- (/ py fy) 4))
     (setq initial-frame-alist '((top . 2) (left . 2)))
     (add-to-list 'initial-frame-alist (cons 'width tx))
-    (add-to-list 'initial-frame-alist (cons 'height ty))
-    ) )
+    (add-to-list 'initial-frame-alist (cons 'height ty)) ))
+
+(when window-system
+  (if (fboundp 'toggle-frame-maximized)
+      (toggle-frame-maximized)
+    (my-maximize) ))
 
 (menu-bar-mode -1)
 (when window-system