Shadowbox is an online media viewer 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 showcase a wide assortment of media in all major browsers without navigating users away from the linking page.

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Download Source Code
After you Download the code, decompress the archive (unzip it) and upload the entire folder to your web server. The exact location is not important since Shadowbox will automatically detect where it is installed when it runs. After you have uploaded the code to your server, simply link to the JavaScript and CSS files as described below.
Shadowbox was developed by www.Shadowbox-js.Com Credit should be given to the authors of those libraries for the basic idea behind Shadowbox.