Well, he can use that only if he runs on WP and it seems he is not on WP. @robi09 Dude, what CMS are You using??? Make us know that and we can assist you better
if you have your web site made for you and all is base with any databa base and any aplication you can do it! with the select extructure! if no using the free tool for doing site map as well as xml-sitemaps
http://rapidshare.com/files/393165140/google-sitemap-generator.7z This is the best google sitemap generator and it pings the search engines google,yahoo,bing,ask automatically. Its good for SEO.
You either have to find a plugin that understands and is tailored specificly for your Database/CMS/Blog or use a general purpose sitemap generator that you can automate.