users of Aigaion 1.3.1, not using Internet Explorer, experience problems using the topic assignment dropdown box. We have fixed the problem on CVS and will release it in Aigaion 1.3.2 in the first week of March. In the meanwhile, please find the fix attached to bugreport  - Add all checked publications to topic.
The file can be copied to aigaionroot/lib/editforms.
Sorry for the inconvenience!
The Aigaion Team.