Shadowbox is an online media viewing application that supports all of the web's most popular media publishing formats. Shadowbox is written entirely in JavaScript and CSS and is highly customizable. Using Shadowbox, website authors can display a wide assortment of media in all major browsers without navigating users away from the linking page. Shadowbox is released under version 3.0 of the Creative Commons Attribution- Noncommercial-Share Alike license. This means that it is absolutely free for personal, noncommercial use provided that you 1) make attribution to the author and 2) release any derivative work under the same or a similar license. If you wish to use Shadowbox for commercial purposes, licensing information can be found at http://mjijackson.com/shadowbox. Author: Michael J. I. Jackson Copyright: 2007-2008 Michael J. I. Jackson, all rights reserved. You can view a demonstration of Shadowbox at http://mjijackson.com/shadowbox.