var bName = navigator.appName.charAt(0);
	var OsName = navigator.platform.charAt(0);
	if(OsName == "W"){
		if(bName == "N"){
			document.writeln('<LINK REL="stylesheet" TYPE="text/css" HREF="css/win_nn.css">');
		}else{
			document.writeln('<LINK REL="stylesheet" TYPE="text/css" HREF="css/win_ie.css">');
		}
	}else{
		if(bName == "N"){
			document.writeln('<LINK REL="stylesheet" TYPE="text/css" HREF="css/mac_nn.css">');
		}else{
			document.writeln('<LINK REL="stylesheet" TYPE="text/css" HREF="css/mac_ie.css">');
		}
	}