MrCarlLister on "[Plugin: Ajax WP Query Search Filter] Submitting the form"

I'm attempting to submit the form when a dropdown is selected with the following javascript:

$(function() {
    $('#taxselect-1').change(function() {
       this.form.submit()
    });
});

However, it's directing me away from the page and to a 404 error page. The url looks like it is trying to perform a typical search

www.myurl.com/my-original-page/?s=58cc04853e&aformid=1431&taxo%5B0%5D%5Bname%5D=sector&taxo%5B0%5D%5Bterm%5D=awpqsftaxoall&taxo%5B1%5D%5Bname%5D=client&taxo%5B1%5D%5Bterm%5D=benfield-motor-group&taxo%5B2%5D%5Bname%5D=media-tags

Any help would be appreciated.

Thanks

http://wordpress.org/extend/plugins/ajax-wp-query-search-filter/