Container dropshadow

I would like to make the container dropshadow appear on my website like this: http://cl.ly/16690e70a3f35f0aa89a

Here is the current website in HTML format it has the top dropshadow working but for the sides I am having a bit of a problem coming up with a good way of doing it…
http://tinyurl.com/37ahs5c

I would like to keep the container the same size that it is now because it is optimized for 1024x768 resolution, and if possible, the left and right dropshadows should be position absolute? Possibly? So that the does not need to scroll horizontally due to these images…

I hope this makes sense.
Thank you very much!!!

Thanks! I’ll try applying those CSS techniques.

By the way, I checked out your portfolio and I didn’t realize at first that that is you on the cover of Men’s Health.
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I also read your personal story on your blog. Very inspiring to say the very least!!! Thanks for sharing that! Much respect!

http://www.visibilityinherit.com/code/four-sided-plug-n-play-shadow.php
http://www.visibilityinherit.com/code/shadowed-borders.php