I've got a PHP Facebook application that's running in an iFrame, and under https. When the user of my app submits a form, the results pop up in a new window. This isn't the desired behavior. When I ran this under http, I didn't run into this problem. On the form tag, I had set the target to go back to the iframe_canvas, but is that still the right place to send this to? target="iframe_canvas".
How have any of you set up a FB app to submit form information under https?