checkbox is not working
hi I have this code and can't figure out what seems to be the problem: if i select 1 & 2, 1 & 3 it's working. But if I select 2 or 3 only then it's not working. What seems to be the problem? i would like to select multiple at the same time. i need your help, thanks I'm attaching the image: http://yfrog.com/3oregistrationoj Hi again,...