It scales the images, not scrolls them. The splash image is scaled proportionately but not the header images. For some reason not all of those images would scale vertically to fill the table cell.
I neglected to specify a black background color, if that is what you meant by "white space" - what color it is depends on the browser default, mine is gray.
I've updated scale.html so that it uses a black background and eliminates margins and scrollbars. Unfortunately this layout is broken for anything less than IE 8 Standards mode.
center.html on the other hand uses the splash image as a background image instead of a separate image element. The header images aren't scaled but they do slide to keep the relative position.
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