// css_check// hier beginnt der browsercheckvar browser_ok = false;// plattform-checkvar browser_mac = navigator.appVersion.indexOf("Mac") != -1;// browser-checkvar browser_ns = navigator.userAgent.indexOf("Mozilla") != -1;var browser_ie = false;browser_ie = navigator.userAgent.indexOf("MSIE") != -1 ? true : false;// ie5 macintosh abfangenif ((navigator.userAgent.indexOf('MSIE 5.') != -1) && (browser_mac)) {   browser_ie = true;   browser_ie5mac = true;}else {	browser_ie5mac = false;}var browser_version = parseInt(navigator.appVersion.substring(0,1));var browser_ok = (browser_version >= 4);var browser_netscape6 = navigator.userAgent.indexOf("Gecko") != -1;// ende browsercheck// css-checkif (browser_ok) {	if (!browser_mac) {		if (browser_ie)			document.write("<LINK rel='stylesheet' type='text/css' href='../css/iewin.css'>");		else if (browser_ns)			document.write("<LINK rel='stylesheet' type='text/css' href='../css/nswin.css'>");	}	else {		if (browser_ie5mac || browser_netscape6)			document.write("<LINK rel='stylesheet' type='text/css' href='../css/ie5mac.css'>");		else if (browser_ie)			document.write("<LINK rel='stylesheet' type='text/css' href='../css/iemac.css'>");		else if (browser_ns)			document.write("<LINK rel='stylesheet' type='text/css' href='../css/nsmac.css'>");	}}// ende css-check */