Having given up trying to book online with Jetstar, I decided to try VirginBlue to book some flights. As I am a member of the Virgin Velocity Rewards program, I tough this would be simple enough to do. First I had to recover my forgotten password, which was easy enough when I discovered Virgin had a completely separate web site for the rewards program. But then I found that while the password works fine on the rewards program web site, it doesn't work on the Virgin Blue web site.
You might ask why don't I book first and worry about rewards later, but there also appears to be no way to book multi-stop flights on the Virgin system (that is not just a simple return flight). So I would have to enter all my details twice (which I don't need to do if I use my rewards number).
An airline booking system is one of those classic computer applications which I assumed had been sorted out by now. Perhaps I should get the ICT students at the ANU onto fixing it.