'IOL' is Image On Load, a technique developed by Dan Diebolt of Haversine Consulting to enhance the UI capabilities beyond what is offered by native Quick Base. He's on these forums a ton. Let me see if I can get you started...
This looks like a very relevant use case with some example code, but not much explanation about IOL implementation.
Here's an IOL primer.
Here's what Dan calls his simplest example.
This thread may be more useful than that, as it includes quite a bit of practical advice.
Not to speak for him but as you can see he's generally willing to answer questions posed directly.
Once you've mastered that, search these forums for '3Q&S' and expand your universe even further.
