void SetupTheAboutMSGWindow(WindowPtr theWindow);
void ShutDownTheAboutMSGWindow(void);
void OpenTheMSGWindow(WindowPtr theWindow);
void AboutMSGEventLoop(WindowPtr theWindow);
void DrawTheAboutMSGWindow(WindowPtr theWindow, short theDepth);
void ChangeDepthTheAboutMSGWindow(WindowPtr theWindow, short newDepth);