-extern void ScrollTo(int X, int Y);
-extern void ScrollTowards(int X, int Y);
-extern void SoftScrollTo(int X, int Y, long TimeMS, int FPS);
-extern int subCheckRestoreRedDiskCountDisplay();
-extern int subDisplayInfotronsNeeded();
-extern int subDisplayLevel();
-extern void subDisplayPanel();
-extern int subDisplayPlayingTime();
-extern void subDisplayRedDiskCount();