if (navigator.appName == 'Microsoft Internet Explorer') 
	document.write('<link rel=stylesheet href=/magic.css>')		
 else 
	if (navigator.appName == 'Netscape')
		if (navigator.appVersion.indexOf('4') != 0)
			document.write('<link rel=stylesheet href=/magic.css>')
		else
			document.write('<link rel=stylesheet href=/ns.css>')