browser = navigator.appName;
os = navigator.platform;
ie = "Microsoft Internet Explorer";
netscape = "Netscape"; mac = "MacPPC"
	if(browser == netscape && os != mac) {
		document.write('<link rel=stylesheet type="text/css" href="pc_ns.css" title=master>') }
	else if(browser == netscape && os == mac) {
		document.write('<link rel=stylesheet type="text/css" href="mac_ns.css" title=master>'); }
	else if(browser == ie && os == mac) {
		document.write('<link rel=stylesheet type="text/css" href="mac_ie.css" title=master>'); }
	else {
		document.write('<link rel=stylesheet type="text/css" href="pc_ie.css" title=master>'); }