Ajax registartion/login

[ntesic]

Hello,
I been able to setup login with AJAX post.
But for registration with ajax, everything works good if registration is successfull. But if script need to return some error (like username exist, etc...) in ajax, it return HTML of registration template.

Is that need to be or i missing something?

[admin]

Send me access to admin plz or a dump with your templates so i have something to test with.