//var param = "copyhistory=no,directories=no,menubar=no,location=no,resizable=no,scrollbars=yes";
var param = "copyhistory=no,directories=no,menubar=no,location=no,resizable=yes,scrollbars=yes";

function window_open (url, name, w, h)
{
    new_window = window.open (url, name, 'width=' + w + ', height=' + h + ", " + param);
    new_window.focus();
}