AJAX File Browser
This is an example of one of the neat, subtle things that
you can do with AJAX. It is a simple filesystem browser
that allows an easy, natural "one click" browsing experience
for the user. This uses the AJAX Queue Class.
You can see a more intricate demonstration of it here.
You can download the source for this example here (Connects
to an aggregate SourceForge Project).
This is an instance of the AJAX File Browser