jQuery(document).ready(function($){
  $('#filter_container select:not(.dont-trigger-ajax-select)').live('change', function(){
    var $filter_form = $('#filter_form');
    $.post(
      $filter_form.data('filter-url'),
      $filter_form.serializeArray(),
      function(data){
        $('#filter_container').html(data);
      },
      'html'
    );
  });
});