function spawnwindow(HTMLPage) {
  w = 800; h = 590;
  if (parseInt(navigator.appVersion) >= 4) {
    w = screen.availWidth - 8
    h = screen.availHeight - 50
  }
  displayWindow = window.open(HTMLPage,'displayWindow','toolbar=0,location=0,directories=0,status=1,menubar=0,scrollbars=0,resizable=1,copyhistory=0,width='+w+',height='+h+',left=0,top=0') 
  if(displayWindow.opener == null) displayWindow.opener = self; displayWindow.focus();
}