NAME
	ScreenToBack -- Send the specified screen to the back of the display.
    SYNOPSIS
	ScreenToBack( Screen )
		      A0
	VOID ScreenToBack( struct Screen * );
    FUNCTION
	Sends the specified screen to the back of the display.
    INPUTS
	Screen = pointer to a Screen structure
    RESULT
	None
    BUGS
    SEE ALSO
	ScreenDepth(), ScreenToFront()