if (target) {
      $(target).toggleClass("active");
    }
  });

  $("#searchOptionsClearButton").on("click", function(e) {
    $("#labelTypeSearchOption").prop("selectedIndex", -1);
    $("#langSearchOption").prop("selectedIndex", 0);
    $("#sortSearchOption").prop("selectedIndex", 0);
    $("#numSearchOption").prop("selectedIndex", 0);
    return false;
  });

  $result.on("mousedown", "a.link", function(e) {