// ########## OS,Browser Info// ########## 2002.01.01var ie  = (navigator.appName.indexOf('Micr') != -1);var mac = (navigator.userAgent.indexOf('Mac') != -1 || navigator.userAgent.indexOf('mac') != -1);var win = (navigator.userAgent.indexOf('Win') != -1 || navigator.userAgent.indexOf('win') != -1);// ########## StyleSheetif (win) {	document.write('<link rel="stylesheet" href="css/win.css" type="text/css">');}else{	if (mac) {		document.write('<link rel="stylesheet" href="css/mac.css" type="text/css">');	}else{		document.write('<link rel="stylesheet" href="css/etc.css" type="text/css">');	}}// E N D