diff --git a/avr/devices/c03/main/w_menu.asm b/avr/devices/c03/main/w_menu.asm
index 863ccd9..cb80d29 100644
--- a/avr/devices/c03/main/w_menu.asm
+++ b/avr/devices/c03/main/w_menu.asm
@@ -14,7 +14,7 @@
 ; ***************************************************************************
 ; defines
 
-.equ MENUWIN_OFFS_BEGIN   = MAINWINDOW_SIZE
+.equ MENUWIN_OFFS_BEGIN   = DIALOG_SIZE
 .equ MENUWIN_SIZE         = MENUWIN_OFFS_BEGIN+0
 
 
@@ -77,7 +77,7 @@ MenuWin_Init:
   ldi r17, (WIDGET_PACK_FILLED<<WIDGET_PACK_HSELF0_BIT) | (WIDGET_PACK_FILLED<<WIDGET_PACK_VSELF0_BIT) ; PACK
   ldi r20, LOW(RESSOURCE_TXT_AQHOME)
   ldi r21, HIGH(RESSOURCE_TXT_AQHOME)
-  bigcall MainWindow_Init
+  bigcall Dialog_Init
   brcc MenuWin_Init_ret
 
   ; set default signal map
@@ -190,67 +190,21 @@ menuWinCreateButton_ret:
 
 
 ; ---------------------------------------------------------------------------
-; @routine MenuWin_OnShow
-;
-; @param Y MainWindow
+; @routine MenuWin_OnMkContent
 
-MenuWin_OnShow:
-  ; check visible flag
-  ldd r16, Y+OBJECT_OFFS_FLAGS
-  sbrc r16, WIDGET_FLAGS_VISIBLE_BIT
-    rjmp MenuWin_OnShow_ret
-
-  ; create content
-  bigcall MainWindow_CreateContentWidget ; r19:r18=content window
-  brcc MenuWin_OnShow_ret
-  mov xl, r18                            ; use content window as parent
+MenuWin_OnMkContent:
+  bigcall MainWindow_GetContentWidget  ; r19:r18=content window
+  brcc MenuWin_OnMkContent_ret
+  mov xl, r18                          ; use content window as parent
   mov xh, r19
 
-  ; set VISIBLE flag
-  ldd r16, Y+OBJECT_OFFS_FLAGS
-  sbr r16, (1<<WIDGET_FLAGS_VISIBLE_BIT)
-  std Y+OBJECT_OFFS_FLAGS, r16
-
-  rcall menuWinCreateContent
-
-MenuWin_OnShow_ret:
-  sec
-  ret
-; @end
-
-
-
-; ---------------------------------------------------------------------------
-; @routine MenuWin_OnHide @global
-;
-; @param  Y       pointer to dialog
-; @return CFLAG set of okay, cleared otherwise
-; @clobbers any, !Y
-
-MenuWin_OnHide:
-  ldd r16, Y+OBJECT_OFFS_FLAGS
-  sbrs r16, WIDGET_FLAGS_VISIBLE_BIT
-    rjmp MenuWin_OnHide_ret
-
-  ; prepare destruction of content
-  bigcall MainWindow_GetContentWidget
-  brcc MenuWin_OnHide_ret
-  push yl
+  ; Y=MainWindow, X=content window
+  push yl                              ; main window
     push yh
-      mov yl, r18
-      mov yh, r19
-      ldd r16, Y+OBJECT_OFFS_FLAGS
-      sbr r16, (1<<OBJECT_FLAGS_DESTROY_BIT)
-      std Y+OBJECT_OFFS_FLAGS, r16
-    pop yh
+      rcall menuWinCreateContent
+    pop yh                             ; main window
   pop yl
-
-  ; clr VISIBLE flag
-  ldd r16, Y+OBJECT_OFFS_FLAGS
-  cbr r16, (1<<WIDGET_FLAGS_VISIBLE_BIT)
-  std Y+OBJECT_OFFS_FLAGS, r16
-
-MenuWin_OnHide_ret:
+MenuWin_OnMkContent_ret:
   sec
   ret
 ; @end
@@ -320,15 +274,14 @@ MenuWin_OnCmdDebug:
 
 MenuWin_DefaultSignalmap:
   ; header
-  .dw MainWindow_DefaultSignalmap*2  ; next table to use
+  .dw Dialog_DefaultSignalmap*2  ; next table to use
   ; entries
-  .db 0,                           WIDGET_SIGNAL_SHOW,     LOW(MenuWin_OnShow),             HIGH(MenuWin_OnShow)
-  .db 0,                           WIDGET_SIGNAL_HIDE,     LOW(MenuWin_OnHide),             HIGH(MenuWin_OnHide)
-  .db MENUWIN_SEL_CLIMATE,         WIDGET_SIGNAL_COMMAND,  LOW(MenuWin_OnCmdClimate),       HIGH(MenuWin_OnCmdClimate)
-  .db MENUWIN_SEL_LIGHT,           WIDGET_SIGNAL_COMMAND,  LOW(MenuWin_OnCmdLight),         HIGH(MenuWin_OnCmdLight)
-  .db MENUWIN_SEL_WINDOWS,         WIDGET_SIGNAL_COMMAND,  LOW(MenuWin_OnCmdWindows),       HIGH(MenuWin_OnCmdWindows)
-  .db MENUWIN_SEL_NETSTATS,        WIDGET_SIGNAL_COMMAND,  LOW(MenuWin_OnCmdNetStats),      HIGH(MenuWin_OnCmdNetStats)
-  .db MENUWIN_SEL_DEBUG,           WIDGET_SIGNAL_COMMAND,  LOW(MenuWin_OnCmdDebug),         HIGH(MenuWin_OnCmdDebug)
+  .db 0,                    DIALOG_SIGNAL_MKCONTENT, LOW(MenuWin_OnMkContent),   HIGH(MenuWin_OnMkContent)
+  .db MENUWIN_SEL_CLIMATE,  WIDGET_SIGNAL_COMMAND,   LOW(MenuWin_OnCmdClimate),  HIGH(MenuWin_OnCmdClimate)
+  .db MENUWIN_SEL_LIGHT,    WIDGET_SIGNAL_COMMAND,   LOW(MenuWin_OnCmdLight),    HIGH(MenuWin_OnCmdLight)
+  .db MENUWIN_SEL_WINDOWS,  WIDGET_SIGNAL_COMMAND,   LOW(MenuWin_OnCmdWindows),  HIGH(MenuWin_OnCmdWindows)
+  .db MENUWIN_SEL_NETSTATS, WIDGET_SIGNAL_COMMAND,   LOW(MenuWin_OnCmdNetStats), HIGH(MenuWin_OnCmdNetStats)
+  .db MENUWIN_SEL_DEBUG,    WIDGET_SIGNAL_COMMAND,   LOW(MenuWin_OnCmdDebug),    HIGH(MenuWin_OnCmdDebug)
 
   .db 0, 0, 0, 0  ; end of table