browser = navigator.appName;
version = navigator.appVersion;
os = navigator.platform;
ie = "Microsoft Internet Explorer";
nn = "Netscape";

if (browser == nn) {
	document.write('<link rel=stylesheet type="text/css" href="http://www.abcradio.com.mx/abcradio/imagenes/home_netscape.css">');
} 

else {
	document.write('<link rel=stylesheet type="text/css" href="http://www.abcradio.com.mx/abcradio/imagenes/home_default.css">');
}