userAgent = navigator.userAgent.toLowerCase();

//dom = (document.documentElement && userAgent.indexOf("opera") < 0 );
//ope = (userAgent.indexOf("opera") > -1 && userAgent.indexOf("ppc") < 0 && userAgent.indexOf("mac_powerpc") < 0);
//mi4 = (document.all && userAgent.indexOf("msie") > -1 && userAgent.indexOf("4.") > -1 && userAgent.indexOf("opera") < 0 && userAgent.indexOf("6.") < 0);
//ns4 = (userAgent.indexOf("4.") > -1 && userAgent.indexOf("icab") < 0 && (userAgent.indexOf(" i") > -1 || userAgent.indexOf(" u") > -1));
saf = (userAgent.indexOf("safari") > -1);
//iewin6 = (userAgent.indexOf("msie") > -1 && userAgent.indexOf("6.") > -1 && userAgent.indexOf("power") < 0);
//iewin5 = (userAgent.indexOf("msie") > -1 && userAgent.indexOf("5.") > -1 && userAgent.indexOf("6.") < 0 && userAgent.indexOf("power") < 0);
iemac5 = (userAgent.indexOf("msie") > -1 && userAgent.indexOf("5.") > -1 && userAgent.indexOf("power") > -1);

	if (iemac5) { document.write('<link rel="stylesheet" href="css/_andere.css" type="text/css" />'); }
	if (saf) { document.write('<link rel="stylesheet" href="css/_andere.css" type="text/css" />'); }
	if (navigator.appCodeName == "Mozilla" && navigator.appName != "Microsoft Internet Explorer") { 
		document.write('<link rel="stylesheet" href="css/_andere.css" type="text/css" />'); 
	}
	//alert(navigator.appName);