What you've described so far is HOW you do your corrent task. But not, WHAT this task really is.
If you'd describe the task you're faced with, we might be able to help you finding an alternative.
Lutz
A pessimist is an optimist with experience. How to get fast answers to your question[/url]
How to post performance related questions[/url]
Links for Tally Table [/url] , Cross Tabs [/url] and Dynamic Cross Tabs [/url], Delimited Split Function[/url]