var nn = (navigator.appName == "Netscape");
var win = (navigator.userAgent.indexOf("Win")!=-1)
var browserversion = navigator.appVersion.substring(0,1)

if (nn && win){
	if(browserversion == "4") 
		document.writeln('<LINK REL=STYLESHEET HREF="includes/css/nn4.css" TYPE=text/css>');		
	else
		document.writeln('<LINK REL=STYLESHEET HREF="includes/css/nn.css" TYPE=text/css>');
}
if (nn && !win)
document.write('<LINK REL=STYLESHEET HREF="includes/css/mac_nn.css" TYPE=text/css>');

if (!nn && win){
document.write('<LINK REL=STYLESHEET HREF="includes/css/ie.css" TYPE=text/css>');
}
if (!nn && !win)
document.write('<LINK REL=STYLESHEET HREF="includes/css/mac_ie.css" TYPE=text/css>');