Pop up blocker interfering loadmovie functionality

Hi guys,
I have a website containing a flash movie which loads other movies using loadMovie. Unfortunately, those movies were not loaded at all, and then I figured out that when I set the popup blocker off, then the movies are loaded normally. As long as it is on, the movies are not loaded.

This is something totally new. Why is it doing this? How can I avoid this problem? I want all the visitors to be able to see the content … they obviously won’t know what they’re waiting for or what they’re expecting, and I don’t think that anyone would guess their popup blocker is causing something!!