function check() {
	var infopage = 'meta/browser/index.html';
	var browser = navigator.userAgent.toLowerCase();
	var version = parseInt(navigator.appVersion);
	// netscape
	var netscape = ((browser.indexOf('mozilla')!=-1) && (browser.indexOf('spoofer')==-1) && (browser.indexOf('compatible') == -1) && (browser.indexOf('opera')==-1) && (browser.indexOf('webtv')==-1) && (browser.indexOf('hotjava')==-1));
	var netscape4 = (netscape && (version == 4));
	var netscape4up = (netscape && (version >= 4));
	var netscapeonly = (netscape && ((browser.indexOf(";nav") != -1) || (browser.indexOf("; nav") != -1)));
	// netscape 6
	var netscape6 = (netscape && (version == 5));
	var netscape6up = (netscape && (version >= 5));
	var is_gecko = (browser.indexOf('gecko') != -1);
	// internet explorer
	var explorer = ((browser.indexOf("msie") != -1) && (browser.indexOf("opera") == -1));
	var explorer3 = (explorer && (version < 4));
	var explorer4 = (explorer && (version == 4) && (browser.indexOf("msie 5")==-1));
	var explorer4up = (explorer && (version >= 4));
	var explorer5 = (explorer && (version == 4) && (browser.indexOf("msie 5.0")!=-1));
	var explorer5_5 = (explorer && (version == 4) && (browser.indexOf("msie 5.5") !=-1));
	var explorer5up = (explorer && !explorer3 && !explorer4);
	var explorer5_5up =(explorer && !explorer3 && !explorer4 && !explorer5);
	var explorer6 = (explorer && (version == 4) && (browser.indexOf("msie 6.0") !=-1));
	var explorer7 = (explorer && (version == 4) && (browser.indexOf("msie 7.0") !=-1));
	var explorer8 = (explorer && (version == 4) && (browser.indexOf("msie 8.0") !=-1));

	// falls Netscape < 6
	if (netscape && !netscape6up) 
		document.location.href = infopage;
	else 
		// falls IE < 5
		if (explorer && !explorer8 && !explorer7 && !explorer6 && !explorer5_5up && !explorer5_5 && !explorer5)
			document.location.href = infopage;
	//document.location.href = infopage;
}

// Browsercheck falls Home-Page ohne Parameter aufgerufen wird
if (window.location.search == '' && (document.URL.indexOf("welcome.do") !=-1 || document.URL.indexOf("home.do") !=-1))
	check();