Nice idea, that form in a FancyBox overlay! :)
So I tried submitting straight from http://stg.qontext.com/next-steps/inquire/inquire-form/ and noticed the js effects are not working there either. So it seems to be unrelated to the FancyBox frame.
So either include foother.php or include a wp_footer(); PHP call or place at least this code in the header (and don't forget to close the source with