if (typeof(css) == "undefined")
{
	css = "css";
}

s="<link href='/css_alt/";
s=s+css;
if (navigator.appName == "Microsoft Internet Explorer")
{
	s+="";
}
else if (navigator.appName == "Netscape") 
{
	s=s+"_ns";
}
else
{
	s=s+"_other";
}
s=s+".css' rel='stylesheet' type='text/css'>";

document.write(s);