the bottom of the screen, not the logo as well, to alleviate problems
caused by aspect ratio distortion. For awkward internal reasons this
currently requires a blank.pcx to exist that has the same dimensions as
splash.pcx but is just a blank screen of the appropriate colour.
window before the main window, displaying the contents of access.pcx at
the bottom of the screen. If the timeout expires on this screen, then
the default menu item will be booted without ever showing the main menu;
conversely, any key press will show the main menu. The idea of this is
to avoid everyone having to see a complicated main menu, while offering
a visual indication that you need to press a key to get to it.