function showmodal(url) {
    if (window.showModalDialog) {
        window.showModalDialog(url, "modal01", "unadorned:1;center:1");

    }
    else {
        window.open(url, 'modal01', 'toolbar=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no ,modal=yes');
    }
};

////window.navigate(”top.jsp”);
//function showmodal(url,_w,_h) {
//    window.navigate(url);//, "modal01", "dialogWidth:" + _w + "px;dialogHeight:" + _h + "px;unadorned:1;center:1");
//};