bottom_controls = startstop, overlay, looprock, step, speed, refresh, location
controls = framelabel
active_zoom = true
buttons_style=margin-left:10px;
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