Iweb, getting funny URL's when publishing to web

Hi,

i published a website from Iweb to the web, instead of the website opening under kateallanart.co.nz I had to type in kateallanart/kateallanart.co.nz or something. I got a guy from my webhost to fix it for me. Now when i try and update or edit my website it does the same thing.

I think to fix it i need to go into the webhost file manager thing and do something? Does anyone know what to do? I've downloaded Cyberduck but i cant use it, now that my website is published on the web from Iweb how to i start using Cyberducl from a folder to edit my site?

I'm very new to this.....

Thanks!