function popUp(url, h, w) {

    /* var newwin = window.open("", "", "width=" + w + ",height=" + h + ",status=no,resizable=yes,scrollbars=yes,left=5,top=5"); */
    var newwin = window.open("", "", "width=" + w + ",height=" + h +
        ",status=no,resizable=yes,scrollbars=yes");

    if (newwin != null) {
        if (newwin.opener == null) {
            newwin.opener = self;
        }
        newwin.location.href = url;
    }
}