I put some custom fields in signup.html (some radio groups, a textfield, a textarea) and i want to attach some files (but have not...see Adding file inputs to signup.html) I did them manually instead of letting amember do it because i wanted to attach some javascript behaviors, etc. My problem is that, upon a user error in the form, amember returns user to signup w/ error message and puts all amember field values (that user submitted) in proper places, but leaves my fields in virgin state, loosing all the user's work. How can i correct this situation?