var win = null;
function newWindow(mypage,myname,height,width) {
  var settings = 'height=' + height + ',';
  settings += 'width=' + width + ',';
  settings += 'toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,copyhistory=yes,scrollbars=no';
  win = window.open(mypage,myname,settings);
  win.window.focus();
}