From the original submitter:

Okay, so the %2F is a slash "/" character. I figured that was the case. But something still does not make any sense.

1) The HTML source shows "/./index.cgi" as the action, but shouldn't it just be "./index.cgi"? Why the first slash?

2) The URL after the button press shows "/pabc/pvst-dev/" appended to my original URL. Where did this come from? This was not in the action field of the HTML source? And why doesn't the browser see the first slash and use that as the root? That would actually be correct if it did that. I never upgraded my browser, so what is causing all this mess anyways?

Any ideas?
Kurt