function getOSType()
{
	uAgent=navigator.userAgent.toUpperCase();
	if(uAgent.indexOf("WIN")>=0) return "Windows";
	if(uAgent.indexOf("MAC")>=0) return "MacOS";
	if(uAgent.indexOf("X11")>=0) return "UNIX";
	return "不明"
}


function printStyle(path)
{

	var osName=getOSType();
	var fName;

	if(osName=="MacOS"){
		fName="mac.css";
	}else{
		fName="win.css";
	}

	document.write("<link rel='stylesheet' href='" + path + fName+ "' type='text/css'>");

}