var msie = navigator.appVersion.indexOf('MSIE 6');
var x11 = navigator.appVersion.indexOf('X11');

if((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ))
{
	if((navigator.appVersion.indexOf("Macintosh"))!= -1)
	{
		document.write('<link rel="stylesheet" href="r1.css" type="text/css"/>')
	}
	else if (msie != -1)
	{
		document.write('<link rel="stylesheet" href="ie1.css" type="text/css"/>')
	}
	else
	{
		document.write('<link rel="stylesheet" href="ie1.css" type="text/css"/>')
	}
}
else if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 4))
{
	if((navigator.appVersion.indexOf("Macintosh"))!= -1)
	{
		document.write('<link rel="stylesheet" href="r1.css" type="text/css"/>')
	}
	else if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 5))
	{
		document.write('<link rel="stylesheet" href="r1.css" type="text/css"/>')
	}else if (x11 != -1)
	{
		document.write('<link rel="stylesheet" href="r1.css" type="text/css"/>')
	}
	else
	{
		document.write('<link rel="stylesheet" href="ns1.css" type="text/css"/>')
	}
}
else
{
	document.write('<link rel="stylesheet" href="r1.css" type="text/css"/>')
}