I need you to post sample data and expected results, because I'm not sure that I understand the problem. To know how to do it, please read the article linked on my signature.
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