>Your solution is elegant and helped me refine what I already had. The one drawback with In Window is that the MODI FILE does not align too well with the container form (the scrollbars are half-hidden).

>Any magic way to make the file fit cleanly within the WIndow or do I need to play with .width of one beine .width of the other minus some pixels ?

Not that I'm aware of, though I'd just try to set the form to a bit bigger than the default MODIFY window. Perhaps someone else will have a clever solution?