override default bburl value

[Dzi13]

Hi,

i have made simple product which I want use to change default $vbulletin->options['bburl'] vaule.

$vbulletin->options['bburl'] = 'http://' . $_SERVER['HTTP_HOST'];

Which hook location should I choose ?

--------------- Added 1266709180 at 1266709180 ---------------

Or in which files is defined $vbulletin->options (values from table setting to options array)

--------------- Added 1266749503 at 1266749503 ---------------

done

--------------- Added 1266757723 at 1266757723 ---------------

I have choose init_startup. Now problem is that it changes bburl always. I wan't to change bburl only in vb cms.
Is there any value where I can see which package is used on that page (blog, article or froum)?