Originally Posted by Blinky

Google Sitemaps - You NEED them !

Everyone wants to get good google rankings. Now google has made it even easier for you. Just submit a correctly formatted sitemap to them, and you can specify the time it should crawl your pages (frequency), all your page URL's, and more. It doesn't guarantee a result, but it's a good step to make sure.

Again I'll refer you to sitepronews as they have a great article:
"Google Sitemaps Explained - How to Get Your Site Indexed With Google Sitemaps"
http://www.sitepronews.com/archives/2005/july/6.html

Learn the right way to do it and your indexing problems could be cured forever