My b2evolution Version: 2.x

:D Dear bloggers,

I have a problem with the categories. I would like to have some subcategories in a special order, but always if I edit a categorie, then there is a higher id. For example Reisen / Staedte is a part of the category ebooks, but now I have it outside this, because I have edit it. Does someone know how to edit a category id? I have tried a lot, but I cannot find an answer. Thanks a lot to all of you.
Sincerely
Martina
This is my blog:
http://www.ebooks-blog.pk-pc-service.de/blogs/index.php

:D :)