function openWindow(event,w,h) {
  if(navigator.appVersion.indexOf("MSIE 7") > -1) {
    showModelessDialog(event,"","width=" + w + ",height=" + h + ",location=0,status=0,menubar=0,toolbar=0,directories=0");
  } else {
    window.open(event,"","width=" + w + ",height=" + h + ",location=0,status=0,menubar=0,toolbar=0,directories=0");
  }
}