I looked at you page and I do not see any problems at all, as you have done the right thing. You have made your JavaScripts external.
Since you are worried about
SEO, I would like to give you an off-topic tip:
Get rid of these Meta Tags:
<meta name="resource-type" content="document">
<meta name="generator" content="AnyBrowser.com MetaMaker">
<meta name="revisit-after" content="15 days">
<meta name="classification" content="Engineering">
<meta name="robots" content="INDEX">
<meta name="distribution" content="Global">
<meta name="copyright" content="2006 Water Fuel LLC. All rights reserved.">
This is not valid. You should consider using i.e the
ICRA Meta tag.
<meta name="author" content="Water Fuel LLC">
<meta content="admin@waterfuelconverters.com" http-equiv="reply-to">
<meta name="language" content="English">
You do need this either. You can define the language in your <html> tag doing this: <html lang="en">
<meta name="doc-type" content="Private">
<meta name="doc-class" content="Living Document">
<meta name="doc-rights" content="Private">
More about Meta tags see here:
http://code.google.com/webstats/2005-12/metadata.html