PREP(calculateMapScale); PREP(canUseMapGPS); PREP(canUseMapTools); PREP(drawLinesOnRoamer); PREP(handleMouseButton); PREP(handleMouseMove); PREP(isInsideMapTool); PREP(openMapGpsUpdate); PREP(updateMapToolMarkers); PREP(canUsePlottingBoard); PREP(isInsidePlottingBoard); PREP(handlePlottingBoardMarkers); PREP(wipeMarkers);