Page doesn't support Firefox 3.0??

[Syringer]

I'm trying to login to this site here, and end up here with FF3..

http://www.swiftpage1.com/SpeClientV8.aspx

This is the first I've seen this--and the page works finely in FF2, so is there a way to make FF3 identify itself as the older version?

 

[LuDaCriS66]

https://addons.mozilla.org/en-US/firefox/addon/59