}

    /** 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. */

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

  if (typeof $.fn.suggestor === "function") {
    $("#as_q").suggestor(SUGGESTOR_CONFIG);
  }