bool DarkScroll(bool IsDark){
	if(Link->Action==LA_SCROLLING){
		if(ScreenFlag(SF_VIEW, 6)||IsDark)
			Screen->Rectangle(6, 0, 0, 256, 176, 0x00, 1, 0, 0, 0, true, OP_OPAQUE);
	}
	else{
		if(ScreenFlag(SF_VIEW, 6))
			IsDark = true;
		else
			IsDark = false;
	}
	return IsDark;
}