problem, double header for new wp version

I have a problem when using template as bellow for the bata 3.3:
http://www.1worldfamily.com/?ptype=user_booking
the header is double, but it is ok for version 3.2.1
Then I downgrade wp to 3.2.1, but it is still beta version for my account, please check the case, thanks
Best wishes
Tam