Adobe Air HTML - How to add a drop shadow?

Question

Does anyone know how to add a shadow to an Adobe Air app, made with HTML? I'm using the Window style "Custom chrome (transparent)" which removes the border, but it also removes the drop shadow.
If you're unsure what I mean, here's the drop shadow on a normal window:

And here's the Adobe Air app, which doesn't have a shadow:

Thanks for the help. :)

EDIT: Added images that actually show now.

Answer 1

The cookbooks on the adobe site outline a couple of ways of doing this:

Adding a drop shadow to a custom chrome window