It is strongly recommended that you disable Javascript during the classification process. This can be easily done with the NOSCRIPT add-on for Firefox.
After installing NOSCRIPT, choose this option from NOSCRIPT menu in the bottom right corner of the browser:
Allow the domain where the classification interface is hosted by choosing "Allow www-connex.lip6.fr" from the menu of NOSCRIPT (this option will appear when you start the classification interface).
For inquiries contact Carlos Castillo