How to do this?

[kaisersoze]

Please visit to this site: http://www.google.com/finance?q=msft&hl=en

When you type in the search box, a layer that containsthe list of values is shown and the values change based on the search criteria.

I dont see any post back either.

Any input on this is appreciated.

 

[dick_nl]

Probably some sort of floating <div> updated by some sort of AJAX stylish code...