NAME
	OffMenu -- Disable the given menu or menu item.

    SYNOPSIS
	OffMenu( Window, MenuNumber )
		 A0      D0

	VOID OffMenu( struct Window *, UWORD );

    FUNCTION
	This command disables a sub-item, an item, or a whole menu.
	This depends on the contents of the data packed into MenuNumber,
	which is described in the Intuition Reference Manual.

    INPUTS
	Window = pointer to the window
	MenuNumber = the menu piece to be disabled

    RESULT
	None

    BUGS

    SEE ALSO
	OnMenu(), ResetMenuStrip()