I am using jQuery Fancybox for a popup registration form here
I would like the form to come up at the size of 450px by 700px but no matter what I set the height and
I had the same problem with fancybox and an iframe, googled for a solution and ended up here. The overflow: hidden did not work for me, however I found out that fancybox allows you to set the option for the iframe scrolling (equivalent to setting "scrolling=no" attribute on the iframe), which fixes the problem in IE7 in a more graceful manner:
$.fancybox({
'type' : 'iframe',
'scrolling' : 'no',
... and the rest of the parameters.