I've been browsing around Net and came a cross a Serbian site Net Majstor:
http://www.netmajstor.com
I doubt you've given them your design so I bet they've stolen it.
There's possibility you've stolen it from them, but I HIGHLY doubt

[EDIT] I've just read that their design comes from this site:
http://www.sonix-net.info/
Does CrystalXP really use a template?

No, CrystalXP doesn't use a template !  
I'm the author of the webdesign !

It's forbidden to use our design without our permission !

In that case, you'll have to deal with those guys.