function isaN(c) { if (c>='0' && c<='9') return true;  return false; }
var BrName, BrVers, BrVersH, BrUsag, Browser, BsBreit, BsHoch, x, y;
  BrName = navigator.appName;
    if (BrName == "Netscape") BrName = "NS";
    else if (BrName.indexOf("Microsoft") != -1) BrName = "IE";
    else BrName = "xx";
  BrVers = navigator.appVersion;
  x = BrVers.lastIndexOf('.');
    if (--x) if (isaN(BrVers.charAt(x-1)) == true) x--;
    BrVers = BrVers.substring(x, BrVers.length);
  Browser = BrName + (BrVersH = BrVers.substring(0, (y = BrVers.indexOf('.'))));
    for (x=y+1; x<10; ) { if (isaN(BrVers.charAt(x)) == true) x++;  else break; }
    BrVers = BrVers.substring(0, x);
  BrUsag = navigator.userAgent;
  if (window.screen) { BsBreit = screen.width;  BsHoch = screen.height; }
  else BsBreit = BsHoch = 0;
var JS = 1.0, JS_aktiv = 0;
function JS_Version(nk)
{
  document.write('<script language="Javascript1.'+nk+'">\n'+
    'JS = 1.'+nk+'; JS_Version('+(nk+1)+'); \n <\/script>');
}

<!-- //V1.0
if (1)                                        //Meldungsfenster ein: if (1) / aus: if (0)
{
  var mf_breit = 450, mf_hoch = 550;
  if (BrName == "NS")
  { mf_breit += 10;  mf_hoch += 10;
    if (BrVers < 4) mf_hoch += 10;
  }

  if (!BsBreit)
  { if ((BrName=="NS" || BrName=="IE") && BrVers < 3)
      { BsBreit = 640;  BsHoch  = 480; }
    else
      { BsBreit = 800;  BsHoch  = 600; }
  }
  var posx = (BsBreit - mf_breit) / 2.0;
  var posy = (BsHoch - mf_hoch) / 0;

  var opt = "location=no,menubar=no,personalbar=no,resizable=no,scrollbars=no,status=no,toolbar=no"
                   +",width="+mf_breit+",height="+mf_hoch+",screenX="+posx+",screenY="+posy;

  var meldung = window.open( "linker.htm", "Meldefenster", opt );

  if (window.moveTo) { meldung.moveTo( posx, posy ); }
}

//-->