if((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ))
{
	if((navigator.appVersion.indexOf("Macintosh"))!= -1)
	{
		document.write('<link rel="stylesheet" href="css/r1.css" type="text/css"/>');
	}
	else if ((navigator.userAgent.indexOf(" Opera ") != -1) || (navigator.userAgent.indexOf("Opera/") != -1))
	{
		document.write('<link rel="stylesheet" href="css/r1.css" type="text/css"/>');
	}
	else if ((navigator.appVersion.indexOf('MSIE 6')) != -1)
	{
		document.write('<link rel="stylesheet" href="css/ie6.css" type="text/css"/>');
	}
	else{
	        document.write('<link rel="stylesheet" href="css/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="css/r1.css" type="text/css"/>');
	}
	else if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 5))
	{
		document.write('<link rel="stylesheet" href="css/r1.css" type="text/css"/>');
	}
	else if ((navigator.appVersion.indexOf('X11')) != -1){document.write('<link rel="stylesheet" href="css/r1.css" type="text/css"/>');
	}
	else if ((navigator.userAgent.indexOf(" Opera ") != -1) || (navigator.userAgent.indexOf("Opera/") != -1))
	{
		document.write('<link rel="stylesheet" href="css/r1.css" type="text/css"/>');
	}
	else
	{
		document.write('<link rel="stylesheet" href="css/ns1.css" type="text/css"/>');
	}
}
else{document.write('<link rel="stylesheet" href="css/r1.css" type="text/css"/>');}