If you would like the navigation along the top, simply move the ul.nav to the top of the page and recreate the styling.

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Footer:

This .footer contains the declaration position:relative; to give Internet Explorer 6 hasLayout for the .footer and cause it to clear correctly. If you're not required to support IE6, you may remove it.
Many (if not most) webmasters use the foooter to put their copyright notice. A copyright notice is just a sentence that says something like "Copyright © 2013 Christopher Heng". The copyright symbol, "©", can be inserted into your text by clicking "Insert | HTML | Special Characters | Copyright" from the menu. For more information about copyright, please see Copyright Issues Relevant to Webmasters at http://www.thesitewizard.com/general/copyright-issues.shtml.