May I ask, are you a coder and did you have to hand code all that other stuff>
Yes, I'm a coder, among other things (my title is actually missionary, but my tech background has come in very handy, and I spend a lot of my time doing these sorts of things). One thing I do is currently maintain six websites by hand, but I'd like to migrate some of them to Joomla so that non-programmers can take over the day-to-day content maintenance. That migration is in the early stages.
Okay, I'll ask you a question, too: your handle would give the impression that you, like myself, belong to the decisively minority gender on tech forums. Is that true?
I am not sure what to do to make sure the form directs to the Paypal payment page when they have finished sending the form. I have no idea what to do to make that happen. Any ideas where I could start to learn?
Well, on the Form Edit tab there is a \"Return URL\" - that would be the first thing to try. I know you'll need the URL to be dynamic, because you need to tell Paypal some specifics, but you can include hidden field(s) in your form and then set their value in your processing script - even though the form is already submitted, I suspect the array holding the submitted values is what the Return URL code will use after your script is run, so if you change the value of parts of that array, my guess is that it will respond.
If that doesn't work, you could use the brute force method - in the processing script include echo statements that prepare Javascript code to be run when the page finishes loading, which contain a manual redirect to whatever you need. Those are my thoughts.