Yes, because firefox probably doesn't execute javascript if the
location is in an IMG tag.
I don't know why they posted that in the first place.
Here's a link that will probably work under both browsers
http://ws.arin.net/whois/?queryinput=%3Cscript%3Ealert('666')%3C/script%
3E
> Right,
> Did this ever work? This fails for me man. How did you verify it?