Just trying to figure this out but can't. Can someone help with this effect?

[url]http://www.design-studio.com/portfolio.asp?cat=hightech&pName=01_sensus[/url]

Click on the nav bar to change photos. I'd like to know how to do the technique used in this fade in/out to next pic.

Thanks in advance.



Referring URLs
[url]http://www.design-studio.com/portfolio.asp?cat=hightech&pName=01_sensus[/url]