bottom_controls = startstop, overlay, looprock, step, speed, refresh
controls = framelabel, zoom
window_size = 300,300
active_zoom = false
overlay_static = y,n,y,n
overlay_zoom = y,y,y,n
overlay_labels = Topo/on, Radar/on, Counties/on, nesw/always
file_of_filenames = mpx_NCR_overlayfiles.txt