Cj Cat

And another, more ellegant way.

File: postratings-js.js
Function: rate_post()

in jQuery.ajax() parameters : url: get_correct_url()

get_correct_url() function listing:

function get_correct_url() {
    var splitted = location.href.split('/');
    return 'http://' + splitted[2] + '/wp-admin/admin-ajax.php';
}

But I have some doubts about security…