function osType() {
	var uAgent  = navigator.userAgent.toUpperCase();
	if (uAgent.indexOf("MAC") >= 0) return "Mac";
	if (uAgent.indexOf("WIN") >= 0) return "Win";
	return "";
}

function brwName() {
	var usr = navigator.userAgent.toUpperCase();
	var app = navigator.appName.toUpperCase();
	if (usr.indexOf("FIREFOX") >= 0) return "FF";
	if (usr.indexOf("OPERA") >= 0)  return "OP";
	if (usr.indexOf("SAFARI") >= 0)  return "SF";
	if (app.indexOf("NETSCAPE") >= 0) return "NN";
	if (usr.indexOf("IE 7.0") >= 0) return "I7";
	if (app.indexOf("MICROSOFT") >= 0) return "IE";
	return "";
}

os  = osType();
brw = brwName();
if (os == "Mac") {
	swCss = "mac_";
} else if (os == "Win") {
	swCss = "win_";
} else {
	swCss = "win_";
}
if (brw == "SF") {
	swCss += "sa.css";
} else if (brw == "FF") {
	swCss += "ff.css";
} else if (brw == "OP") {
	swCss += "op.css";
} else if (brw == "NN") {
	swCss += "nn.css";
}	else if (brw == "I7") {
	swCss += "ie7.css";
}	else if (brw == "IE") {
	swCss += "ie.css";
} else {
	swCss = "main.css";
}

document.write("<link rel=\"stylesheet\" media=\"screen,tv\" href=\"/css/"+swCss+"\" type=\"text/css\">");