I thought you might like this tid bit...
If you use JavaScript to control your website navigation, then search engine spiders may have problems crawling your site. If you must use JavaScript, then there are two options available to you:
Use the NOSCRIPT tag to replicate the JavaScript link in standard HTML.
Replicate your JavaScript links as standard HTML links in the footer of your page.
www.seo-news.com/archives/2006/may/4.html