$('#recency-link').click(function(){
      $("#segment-rules .rules-wrap").append("<div id='recency-rule' class='rule-block'><div class='rule-head'><select><option>Recency</option><option>Recency</option></select></div><div class='rule-detail'><select><option>Last Day</option><option>Last week</option><option>Last 14 days</option><option>Last month</option><option value='lastNHs'>Last <em>n</em> horas</option></select></div><div class='cross'></div></div>");

      $('#segment-rules select').selectric();
      $('#recency-rule .cross').click(function(){
        $(this).parents('.rule-block').remove();
        $('#recency-link').show();
      });

      $('.rule-detail select').on('change', function() {
        if ($(this).val() == 'lastNHs') {
          $(this).parent().parent().addClass('lastNHs')
          $("#recency-rule .rule-detail").append("<div class='recency_hs'><input></input></div>");
        }
        $(".recency_hs").remove();
      });
      return false;
    });