Amazing... thanks SO MUCH!! If I did not shave my head, I would have pulled all my hair out by now. So simple!

I have a numeric field in a form. I want to restrict the valid entries to 0 - 30 only. I have tried using some script tips I found online, but all I get are errors. Is there anyway to do this without using a script? If script is the only way, I would certainly appreciate help. Thanks in advance!- Ri...