Facebook JavaScript SDK: FB.ui opens a popup window

Question

I am trying to show a \'Post to Your Wall\' feed dialog with the following code in a facebook iframe app:

Answer 1

in my case the problem seems to have been solved by seting display to async

     display: 'async',

i think this is default for page tabs and canvas, but from time to time, instead of appearing within the main window it would load a new popup.. after setting it though (page tab in my case) i haven't noticed any pop up coming up since then..