function printCSS(dir) {
	var Agent = navigator.userAgent;
	var cssDir = dir;
	var cssTags = '<link rel="stylesheet" type="text/css" href="';
	var flag = null;

	if (Agent.indexOf('Win') != -1) {
		if (document.all) { // Win_IE
			flag = "wie";
			document.open();
			document.write(cssTags + cssDir + flag + '.css" title="WinIE_style">');
			document.close();
		} else { // Win_NS
			flag = "wns";
			document.open();
			document.write(cssTags + cssDir + flag + '.css" title="WinNS_style">');
			document.close();
		}
	}

	if (Agent.indexOf('Mac') != -1) {
		if (document.all) { // Mac_IE
			flag = "mie";
			document.open();
			document.write(cssTags + cssDir + flag + '.css" title="MacIE_style">');
			document.close();
		} else { // Mac_NS
			flag = "mns";
			document.open();
			document.write(cssTags + cssDir + flag + '.css" title="MacNS_style">');
			document.close();
		}
	}
}