The zip file you included did not contain any files, or there was an error when I downloaded. I used the original multitresponse file and modified with a javascript function that will validate the...

I keep having this error pop up as well. It happens when I try to run one of my questionnaires, but also appears whenever I try to run sample3.exp, race, provided in the medialab samples folder. I...

Thank you Jarvis. I edited your sample for a version with two columns. This was exactly what I needed.