$("#langSearchOption").prop("selectedIndex", 0);
    $("#sortSearchOption").prop("selectedIndex", 0);
    $("#numSearchOption").prop("selectedIndex", 0);
  });

  $result.on("mousedown", "a.link", function(e) {
    var $link = $(this);
    var docId = $link.attr("data-id");
    var url = $link.attr("href");
    var queryId = $("#queryId").val();
    var order = $link.attr("data-order");