A belated thanks for the advice. Slow progress is being made. This is a sandbox system that I'm able to reconstruct quickly so making mistakes won't hurt and will probably help the learning process.
Neale ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html