Problems between FCKeditor and the Bibliography module

When adding or editing a publication using the Bibliography module (http://drupal.org/project/biblio), FCKeditor tries to load something over and over again and thus makes the biblio editing page unbearably slow: the initial page loads but then it shows the progress bar in very quick succession several times for up to 50 seconds. I have to wait until these loading attempts are done before I can use the page.

With the FCKeditor disabled (or with it excluded from the Bibliography module), the editing page loads within a second or two.

This seems to be more pronounced in Firefox so I checked the Firefox Error Console and I copied the output in a text file (see attached) (note: I replaced my domain name with mydomain.com, it is not online yet).