// this function opens up a new window
function openWindow(url,pass_w,pass_h) {
    var options = "width=" + pass_w + ",height=" + pass_h + ",";
    options += "resizable=yes,scrollbars=yes,status=yes,";
    options += "menubar=yes,toolbar=yes,location=no,directories=no";
    var newWin = window.open(url, 'newWin', options);
    newWin.focus();
}