<!--
function MM_checkBrowser(NSvers,NSpass,NSnoPass,IEvers,IEpass,IEnoPass,OBpass,URL,altURL) { //v5.0
  var newURL='', userAgent=navigator.userAgent, version=0;
  if (userAgent.indexOf('Netscape') != -1) {
  	version = parseFloat(userAgent.substring(userAgent.indexOf('Netscape')+9,userAgent.length));
    if (version >= NSvers) {if (NSpass>0) newURL=(NSpass==1)?URL:altURL;}
    else {if (NSnoPass>0) newURL=(NSnoPass==1)?URL:altURL;}
  } else if (userAgent.indexOf('MSIE') != -1) {
  	version = parseFloat(userAgent.substring(userAgent.indexOf('MSIE')+4,userAgent.length));
    if (version >= IEvers)
     {if (IEpass>0) newURL=(IEpass==1)?URL:altURL;}
    else {if (IEnoPass>0) newURL=(IEnoPass==1)?URL:altURL;}
  } else if (OBpass>0) newURL=(OBpass==1)?URL:altURL;
  if (newURL) { window.location=unescape(newURL); document.MM_returnValue=false; }
}


if ((navigator.appName.indexOf("Netscape") != -1) && (navigator.appVersion.substring(0,1, navigator.appVersion.indexOf("."))== 4)) {
	window.location = "http://www.octave.de/wrong_browser.htm" 
 }
//-->