Form plugin random issue only in Opera

Form plugin random issue only in Opera

Hi!

I'm using the latest 2.45 version of form plugin. If file upload present in the form, the submit will be "normally" to an iframe. In this case, if the response Content-Type is text/javascript, only in Opera this example mostly not working, few times works:

http://bogex.hu/jqtest.php

In other browsers, FireFox, Chrome, Safari, Owb works fine. Is there any solution to working always in Opera?

Thank you!

Lay