<script>
location.href="index2.htm";
</script>

/* ######### Browserweiche ########### */

var
	d, dom, ie, ienu, ie4, ie5, ie5x, ie6, ie5mac, ie5xwin,
	moz, moznu, mac, win, old, lin, 
	op, opnu, op4, op5, op6, op7, konq, saf, saf_num; 

//variable initialization 
	d = document; 
	n = navigator; 
	nav = n.appVersion; 
	nan = n.appName; 
	nua = n.userAgent; 
	win = ( nav.indexOf( 'Win' )!= -1 ); 
	mac = ( nav.indexOf( 'Mac' )!= -1 ); 
	lin = ( nav.indexOf( 'Linux' )!= -1 ); 

if (!d.layers ){ 
	dom = ( d.getElementById ); // useful for other functions often, for method testing 
	old = ( nav.substring( 0, 1 ) < 4 ); 
	op = ( nua.indexOf( 'Opera' )!= -1 ); 
	moz = ( nua.indexOf( 'Gecko' )!= -1 ); 
	ie = ( d.all &&!op ); 
	konq = ( nua.indexOf( 'Konqueror' )!= -1 ); 
	saf = ( nua.indexOf( 'Safari' )!= -1 ); 

	if ( op ){ 
		op_pos = nua.indexOf( 'Opera' ); 
		opnu = nua.substr( ( op_pos + 6 ), 3 ); 
		op5 = ( opnu.substring( 0, 1 ) == 5 ); 
		op6 = ( opnu.substring( 0, 1 ) == 6 ); 
		op7 = ( opnu.substring( 0, 1 ) == 7 ); 
	} 

	else if ( saf ){ 
		saf_pos = nua.indexOf( 'Safari' ); 
		saf_nu = nua.substr( ( saf_pos + 7 ), 2 ); 
	} 
	else if ( moz ){ 
		rv_pos = nua.indexOf( 'rv' ); 
		moz_rv = nua.substr( ( rv_pos + 3 ), 3 ); // use this for main version, like 0.9, 1.0, 1.1, 1.2 
		moz_rv_sub = nua.substr( ( rv_pos + 7 ), 1 ); 
		moz_rv_sub = moz_rv + moz_rv_sub; // use this if exact version is required, like 0.9.4, ie netscape 6.2 
	} 
	else if ( ie ){ 
		ie_pos = nua.indexOf( 'MSIE' ); 
		ienu = nua.substr( ( ie_pos + 5 ), 3 ); 
		ie4 = (!dom );
		ie5 = ( ienu.substring( 0, 1 ) == 5 ); 
		ie6 = ( ienu.substring( 0, 1 ) == 6 ); 
	} 
	else{} 
}	
ie5x = ( d.all && dom ); 
ie5mac = ( mac && ie5 ); 
ie5xwin = ( win && ie5x ); 

  var bver = "nn2";
  var browserName = navigator.appName;
  var browserVersion = parseInt(navigator.appVersion);

  var isIE = browserName.indexOf("Microsoft Internet Explorer" )==-1?false:true;
  var isNN = browserName.indexOf("Netscape")==-1?false:true;
  var isDomIE = document.all?true:false;

  if ( isNN && browserVersion >= 3) bver = "You are using Netscape 3";
  if ( isNN && browserVersion >= 4) bver = "You are using Netscape 4";
  if ( isNN && browserVersion >= 5) bver = "You are using Netscape 5";
  if ( isIE && browserVersion >= 3) bver = "You are using IE 3";
  if ( isIE && browserVersion >= 4) bver = "You are using IE 4";
  if ( isIE && browserVersion >= 5) bver = "You are using IE 5";
  if ( isDomIE && browserVersion >= 3) bver = "You are using IE 3";
  if ( isDomIE && browserVersion >= 4) bver = "You are using IE 4";
  if ( isDomIE && browserVersion >= 5) bver = "You are using IE 5";

  if (op) bver = "You are using Opera";
  if (op5) bver = "You are using Opera 5";
  if (op6) bver = "You are using Opera 6";
  if (op7) bver = "You are using Opera 7";
  if (saf) bver = "You are using Safari";
  if (moz) bver = "You are using Mozilla " + moz_rv;
  if (ie4) bver = "You are using IE 4";
  if (ie5) bver = "You are using IE 5";
  if (ie6) bver = "You are using IE 6";

if (win) bver = bver + " under Windows";
if (mac) bver = bver + " on Macintosh";
if (lin) bver = bver + " under Linux";

alert(bver);