// set Variable	var Agent = navigator.userAgent;	var cssDir = '../css/';	var cssTags = '<link rel="stylesheet" type="text/css" href="';	var flag = null;// CSS deverge for Cross Platform & Cross Browserif (Agent.indexOf('Win') != -1) {	if (document.all) { // Win_IE		flag = "winIE";		document.write(cssTags + cssDir + flag + '.css" title="winIE">');	} else { // Win_NS		flag = "winNN";		document.write(cssTags + cssDir + flag + '.css" title="winNN">');	}}if (Agent.indexOf('Mac') != -1) {	if (document.all) { // Mac_IE		flag = "macIE";		document.write(cssTags + cssDir + flag + '.css" title="macIE">');	} else { // Mac_NS		flag = "macNN";		document.write(cssTags + cssDir + flag + '.css" title="macNN">');	}}