You might want to have a look at the following blog for a better performing alternative:
http://sqlblogcasts.com/blogs/sqlandthelike/archive/2009/08/27/sql-and-contiguous-data-ranges.aspx
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]