Is that possible to make users appear like this? george.mysite.com, nick.mysite.com etc?

[eluser]HaRbY.me[/eluser]
I have a website, in this website a user can register and have his own page with his activity steam etc. Now i made users like this http://mysite.com/member/nick and i want to do it like this http://nick.mysite.com. Is that possible? Any ideas?

Thank you in advance! :-)

[eluser]Icehawg[/eluser]
http://net.tutsplus.com/tutorials/php/ba...deigniter/

[eluser]HaRbY.me[/eluser]
Thanks dude! You're the best! I didn't know how to search it in google! :-)