}

    /** The parameter for negative query. */
    public static final String AS_NQ = "nq";

    /** The parameter for OR query. */
    public static final String AS_OQ = "oq";

    /** The parameter for exact phrase query. */
    public static final String AS_EPQ = "epq";

    /** The parameter for query. */
    public static final String AS_Q = "q";

    /** The parameter for filetype. */

    $searchButton.attr("disabled", true);
    setTimeout(function() {
      $searchButton.attr("disabled", false);
    }, 3000);
    return true;
  });

  if (typeof $.fn.suggestor === "function") {
    $("#as_q").suggestor({
      ajaxinfo: {
        url: contextPath + "/api/v1/suggest-words",
        fn: ["_default", "content", "title"],
        num: 10,
        lang: $("#langSearchOption").val()
      },
      boxCssInfo: {