Browser & Operating System

var browser = navigator.appName; // what browser
var IE = "Microsoft Internet Explorer";
var Netscape = "Netscape";

var OS = navigator.platform; // what Operating System (OS)
var Mac = 'MacPPC';

if (browser == Netscape && OS != Mac) {
     document.write('<LINK REL="stylesheet" TYPE="text/css"
                                HREF="/insertfiles/css/pcnn.css" TITLE="master">');
}
else if (browser == IE && OS != Mac) {
     document.write('<LINK REL="stylesheet" TYPE="text/css"
                                HREF="/insertfiles/css/pcie.css" TITLE="master">');
}
else if (browser == Netscape && OS == Mac) {
     document.write('<LINK REL="stylesheet" TYPE="text/css"
                                HREF="/insertfiles/css/pcie.css" TITLE="master">');
}
else if (browser == IE && OS == Mac) {
     document.write('<LINK REL="stylesheet" TYPE="text/css"
                                HREF="/insertfiles/css/pcie.css" TITLE="master">');
}

</SCRIPT>