Could you post DDL, sample data (as insert into statements) and expected results based on that data? You can read the article linked on my signature to know how to do it.
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