function refreshContent(destination, handler, params) {
    var r = new Date().getTime();

    params += ("&r=" + r);
    if (handler == null) handler = "/Handler.ashx?";
    if (destination == null) destination = "#ContenuPage";
   
    $.get(handler + params,
                { cache: false },
                function (data) {
                    if (data != null) {
                        $(destination).html(data);
                    }
                }
             );
}