Boxy question, show only one dialog at a time.

Boxy question, show only one dialog at a time.

I am using the Boxy plugin to create multiple popup dialog boxes. I'd like only one popup to show at a time. Currently it will overlay one on top of the other, so if you click a bunch you have to close them all individually. I tried using the API methods isVisible() and hide() but I'm not having much luck. Any help is much appreciated.