Hi Marc You wrote, *"You can also ask on comp.lang.ada".* Gee Whiz! Its been years since I was registered with comp.lang.ada. So long I've forgotten how to register. Would you be so kind as to remind me. Thanks -- Rick Duley North Perth, Western Australia http://www.freewebs.com/rickduley/ .-_|\ / \ perth *_.-._/ v aussie : 0409 106 049 o'seas : +61 409 106 049 -------------------------------------------- Committees: "... dark alley down which ideas are led ... then strangled." (PepsiCo)