bName = navigator.appName;
bVersion = parseInt(navigator.appVersion);
if ((bName == "Netscape") && (bVersion >= 4)) {
if (navigator.userAgent.indexOf("Win") > 0) document.write(
'<link rel="stylesheet" type="text/css" href="../css/sitewinns.css">');
else document.write(
'<link rel="stylesheet" type="text/css" href="../css/sitemacns.css">');
} else {
if (navigator.userAgent.indexOf("Windows") > 0) document.write(
'<link rel="stylesheet" type="text/css" href="../css/sitewinie.css">');
else document.write(
'<link rel="stylesheet" type="text/css" href="../css/sitemacie.css">');}