var myBrows=(navigator.appName).charAt(0);
var osName=navigator.userAgent;

if(osName.indexOf("Win")>=0){
	var myOS="win";
}
else{
	var myOS="mac";
}

if(myBrows=="M" && myOS=="win"){
	document.write("<link rel='stylesheet' href='css/w_ie.css'>");
}
if(myBrows=="N" && myOS=="win"){
	document.write("<link rel='stylesheet' href='css/w_nn.css'>");
}
if(myBrows=="M" && myOS=="mac"){
	document.write("<link rel='stylesheet' href='css/m_ie.css'>");
}
if(myBrows=="N" && myOS=="mac"){
	document.write("<link rel='stylesheet' href='css/m_nn.css'>");
}

//if (top == self) self.location.href="index.html";