function openWindow(address)
  {
     win1 = window.open(address,'', 'width=630,height=530,toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes');
     win1.focus();
  }

  function openWindow2(address,width,height)
  {
     win1 = window.open(address,'', 'width='+width+',height='+height+',toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes');
     win1.focus();
  }

  function openInfo()
  {
     win2 = window.open('/centrum/sp/info.html','', 'width=300,height=200,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no');
     win2.focus();
  }