This is a JQUERY script that is simple, unobtrusive, no need extra markup and is used to display 404 error in fancy popup box on the current page instead of redirecting to 404 page.
Features:- 7 Color Variations
- PSD Included
- Valid xHTML 1.0
- Cross Browser Compatible Code
- .htaccess file with static version of a popup also included for javascript disabled browsers
- search implemented
Javascript in the live preview is obfuscated and comments are removed.
Check screenshots for more colors! 
- IE vertical and horizontal scrollbar issue fixed (you’ll still see vertical scrollbar in this live preview…it’s because of themeforest frame at the top so just click on “remove frame” button and you’ll see how it will work on regular site)