Colin,
It's the hyperlink in my signature line below, and you can click my company above to get there. If you are not using a browser interface it's:
http://www.geocities.com/ResearchTriangle/9834/>Thanks David, I'll definitely have a look. First of all though, and I'm sure you've had to do this 100 times by now, but could you send me your url and I'll add it to my bookmarks.