Firefox 4.0 (Solved)

Hi guys,
My website www.direttasport24.com is based on Quay framework and after I've updated Firefox to the new version 4.0 I've encountered the following problem:

1) The caption around the images doesn't work anymore: see here http://www.direttasport24.com/info/chi-siamo

2) I use chronoform and after the upgrade to Firefox 4.0 the function for the required fields doesn't work anymore, so users can send also blank form. See here http://www.direttasport24.com/webmaster

I understand that these problem couldn't be related to the template, but do you have any idea to solve these problem?

Thanks in advance

Sorry guys,
Solved.