// CSS SELECTOR
browser_version= parseInt(navigator.appVersion);
browser_type = navigator.appName;

if (browser_type == "Microsoft Internet Explorer" && (navigator.userAgent.indexOf('Mac') != -1))
{
	document.write("<link rel='stylesheet' href='/css/mac_ie.css' type='text/css'>");
}
else if (browser_type == "Microsoft Internet Explorer" && (navigator.userAgent.indexOf('Win') != -1)) 
{
	document.write("<link rel='stylesheet' href='/css/win_ie.css' type='text/css'>");
}
else if (browser_type == "Netscape" && (navigator.userAgent.indexOf('Mac') != -1))
{
	document.write("<link rel='stylesheet' href='/css/mac_nav.css' type='text/css'>");
}
else if (browser_type == "Netscape" && (navigator.userAgent.indexOf('Win') != -1)) 
{
	document.write("<link rel='stylesheet' href='/css/win_nav.css' type='text/css'>");
}

if ((navigator.vendor=="Apple Computer, Inc.") && (navigator.userAgent.indexOf('Mac') != -1))
{
	document.write("<link rel='stylesheet' href='/css/mac_safari.css' type='text/css'>");
}
else if ((navigator.userAgent.indexOf('Mac') != -1))
{
	document.write("<link rel='stylesheet' href='/css/mac_others.css' type='text/css'>");
}
else if ((navigator.userAgent.indexOf('Win') != -1))
{
	document.write("<link rel='stylesheet' href='/css/win_others.css' type='text/css'>");
}