function win_open(htmlurl, win_width, win_heihgt, win_left, win_top) {
    var newwin = window.open(htmlurl, "newWin", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,top=" + win_top + ",left=" + win_left + ",width=" + win_width + ",height=" + win_heihgt);
    if (newwin) { newwin.focus(); }
    return false;
}