Firefox 4 questions with Jaws 12

Hi all, just want to ask a few questions with firefox 4 with jaws Version 
12.0.525
I don't know if it's me but for those who use it I have notice that when you 
load a page I get no percentages announcements with jaws. Continueing from this 
I can't tell when the page is loaded and at times quite often I have to shift 
tab or tab or sometimes alt tab to another programme come back to it and then I 
can go through the page. 
Can anyone else confirm this. I have heard that firefox 4 wasn't supported in 
jaws 12 yet is this true? I updated to Version 4 because when I was using 3.6 
something when I hit enter on my icon on my desktop for it the browser wouldn't 
load. Therefore I updated to V4 Has anyone else notice this when they were 
using 3.6? Also when using that version did you all get percentages and pages 
working in the right mannor? I can't remember. I don't want to downgrade 
because I am worried that webvisum won't work if I downgrade and also I 
probably won't find the link for an older version. Anyway what I'm getting at 
is what do people experience with firefox 4 using the jaws version mentioned 
above and did anyone of you experienced the browser not loading when you were 
with 3.x when version 4 came out. 
Look forward to hearing your answers. 
Thanks 
Daniel

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