jQuery(document).ready(
  function() {
      jQuery.each(
        [
          { elId: 'country-select', param: 'country_code'},
          { elId: 'press-teaser-type-id-select', param: 'press_teaser_type_id' },
          { elId: 'period-select', param: 'period' }
        ],
        function(i, val) {
          jQuery('#' + val.elId).change(
            function(e) {
              selectFilter(this, val.param);
            }        
            );
        });
  });