Hi Scott,
Welcome to the board! There is no Form ID property that I know of. You'll want to write some code to generate a GUID. If you're using .NET this is straightforward. For JScript, you'll need to create your own pseudo-generator. We use the following quite a bit:
string sGuid = System.Guid.NewGuid().ToString();
and then set it into the form.
Hope this helps!
Patrick
Patrick Halstead
Project Manager at Qdabra