Multiselect module (CCK) not working

Hi all,

i'm looking to install the multiselect module for CCK, however, i don't get it working.

I'v have installed the latest drupal 5.2 version.
I've installed the module in the directory myproject/sites/all/modules, with all the original files in the module folder (incl. the .js file).

the strange thing is: i can see the module appearing under administer/build/modules (were i have enabled it), but when i choose 'create content' in the admin menu and want to add fields to a content type, the multiselect lists are not available as an addable field...

has anyone got any idea what i might be doing wrong here?

Thx in advance!