Checking for internet access

[Sarah Reichelt]

> I'd suggest you take a tip from how mail clients deal with this issue: Just
> let the user tell you if she's working offline. Most will try a
> (non-blocking) request, and present a dialog to the user if there's no
> response within a reasonable timeout period.

That's what I would like to do. I just need to know HOW to do a non-blocking
request. What Revolution command will check in a non-blocking & non-crashing
manner.

Sarah