var windows = navigator.appVersion.indexOf("Win");
var macos = navigator.appVersion.indexOf("Mac");
var browser = navigator.appName;
var version = parseFloat(navigator.appVersion);

if ((windows != -1) && (browser == "Microsoft Internet Explorer") && (version >= 4))
	{
	document.write("<link rel='STYLESHEET' href='../css/stylewin_ie4.css'>");
	}

else if ((windows != -1) && (browser == "Microsoft Internet Explorer") && (version < 4))
	{
	document.write("<link rel=stylesheet href=../css/stylewin_ie3.css>");
	}
	
else if ((windows != -1) && (browser == "Netscape"))
	{
	document.write("<link rel=stylesheet href=../css/stylewin_net.css>");
	}

else if ((macos != -1) && (browser == "Microsoft Internet Explorer") && (version >= 4))
	{
	document.write("<link rel=stylesheet href=../css/stylemac_ie4.css>");
	}
	
else if ((macos != -1) && (browser == "Microsoft Internet Explorer") && (version < 4))
	{
	document.write("<link rel=stylesheet href=../css/stylewin_ie3.css>");
	}
	
else if ((macos != -1) && (browser == "Netscape"))
	{
	document.write("<link rel=stylesheet href=../css/stylewin_net.css>");
	}