This is a little PHP Script I use for importing GB entries from no-kajona sites. Of course you'll have to adapt it, but I think it will save you some time ;)

Requires Shwetas HTML to Array classes, http://www.phpclasses.org/package/6296-PHP-Parse-and-traverse-HTML-documents-with-DOM.html

Usage: Copy gbimport.php to Kajona root, adapt to your needs and open it in your Browser.

License of my Script (gbimport.php): GNU LGPL, http://www.gnu.org/licenses/lgpl.html
(c) 2011 by js, http://js.tuxzone.org/

And of course: YOU AGREE TO USE THIS SCRIPT ON YOUR OWN RISK! ;)