void SetLogFilename(char *fn);
extern double CursorScaleFactor;
-extern int PlotGridX, PlotGridY, PlotGridXdefault, PlotGridYdefault;
+extern int PlotGridX, PlotGridY, PlotGridXdefault, PlotGridYdefault, CursorCPos, CursorDPos;
extern int offline;
extern int flushAfterWrite; //buzzy