if (navigator.userAgent.indexOf("Mac") != -1)
{
	{
		if ( ( navigator.userAgent.indexOf('MSIE') != -1 ) || ( document.getElementById ) ) 
		{
			document.write('<link rel="stylesheet" type="text/css" href="/javascript/mac_styles_ie.css">');
		}
		else
		{
			document.write('<link rel="stylesheet" type="text/css" href="/javascript/mac_styles_nn.css">');
		}
	}
}
else if (navigator.userAgent.indexOf("Linux") != -1)
{
	{
		if (navigator.userAgent.indexOf('Netscape')) 
		{
			document.write('<link rel="stylesheet" type="text/css" href="/javascript/linux_styles_nn.css">');
		}
		else
		{
			document.write('<link rel="stylesheet" type="text/css" href="/javascript/styles_ie.css">');
		}
	}
}	
else
{
	if ( ( navigator.userAgent.indexOf('MSIE') != -1 ) || ( document.getElementById ) ) 
	{
		document.write('<link rel="stylesheet" type="text/css" href="/javascript/styles_ie.css">');
	}
	else
	{
		document.write('<link rel="stylesheet" type="text/css" href="/javascript/styles_nn.css">');
	}

}