if ((navigator.userAgent.indexOf("Mac") != -1)) 

		document.write("<link rel='stylesheet' href='styles/metreomac.css'>") 
		
if (navigator.userAgent.indexOf('Win') != -1)
{ 
	if (navigator.appName.indexOf('Netscape') != -1) 
	{
		document.write("<link rel='stylesheet' href='styles/metreone.css'>")
	}
	else 
	{
		document.write("<link rel='stylesheet' href='styles/metreoie.css'>")
	}
}