browser = navigator.appName;
ie = "Microsoft Internet Explorer";
netscape = "Netscape";
os = navigator.platform;
mac = 'MacPPC'

if (browser == netscape && os != mac) {

document.write('<link rel="stylesheet" type="text/css" href="/cgi-bin/style-nn.css">');

}
	
else if (browser == ie && os != mac) {

document.write('<link rel="stylesheet" type="text/css" href="/cgi-bin/style-ie.css">');

}

else if (browser == netscape && os == mac) {

document.write('<link rel="stylesheet" type="text/css" href="/cgi-bin/style-ie.css">');

}

else if (browser == ie && os == mac) {

document.write('<link rel="stylesheet" type="text/css" href="/cgi-bin/style-ie.css">');

}