if (navigator.userAgent.indexOf("Win") >= 0) {	if (navigator.appName.indexOf("Microsoft") >= 0) {		version="win-ie";	} else {		if (navigator.appVersion.charAt(0) >= 5) {			version="win-nn6";		} else {			version="win-nn";			location.href="../netscape.html";		}	}} else {	if (navigator.appName.indexOf("Microsoft") >= 0) {		version="mac-ie";			} else {		if (navigator.appVersion.charAt(0) >= 5) {			version="mac-nn6";		} else {			version="mac-nn";			location.href="../netscape.html";		}	}}document.write('<link rel="stylesheet" type="text/css" href="../css/'+version+'.css">')