ajax not working

I installed, applied the patch, using drupal 5.6.

everything seems to be working, however, the ajax part of it doesn't seem to work. when I hit "update" it updates, but loads the page again, meaning, I have to load the page for each node I'm editing. This is fine, but the list I'm editing is quite large, and the ajax option would be rather swell..

using firebug extension for firefox, I get an error message on that page I created:
$(form).ajaxForm is not a function
editviewCaptureForm()editview.js (line 49)
e([form#views-filters drupal, form#node-form- drupal, form#node-form-5 drupal, 9 more...], editviewCaptureForm(), undefined)jquery.js (line 2)
e(editviewCaptureForm(), undefined)jquery.js (line 2)
(no name)()editview.js (line 3)
e()jquery.js (line 2)
[Break on this error] $(form).ajaxForm(options);