el").attr("title", "SHOW_HISTORY").append("<span class=\"teamworkIcon\">&#x60;</span>");

      //al click
      histBtn .click(function () {
        var el = $(this);
        var ganttButtons = $(".ganttButtonBar .buttons");

        //è gi�  in modalit�  history?
        if (!ge.element.is(".historyOn")) {
          ge.element.addClass("historyOn");
          ganttButtons.find(".requireCanWrite").hide();

          //si carica la history server side
          if (false) return;
          showSavingMe