app = navigator.appName;
ns = ( app == "Opera" || app == "Sylaba" || ( app == "Netscape" && navigator.userAgent.indexOf("Gecko")==-1) );
if (ns) { 
	document.writeln("<link rel='stylesheet' href='ns.css' type='text/css'>");
} else {
	document.writeln("<link rel='stylesheet' href='ie.css' type='text/css'>");
}