Could you post your complete SELECT statement? Even better, post DDL and sample data. I would recommend to change to cross tabs to facilitate this kind of problems.
Luis C.
General Disclaimer:
Are you seriously taking the advice and code from someone from the internet without testing it? Do you at least understand it? Or can it easily kill your server?
How to post data/code on a forum to get the best help: Option 1 / Option 2