// set Variable
var agent = navigator.userAgent;
		if(navigator.appVersion.indexOf('Mac') > 1){
			document.write('<link rel="stylesheet" href="../../css/font_mac.css" type="text/css" media="screen">');
			document.write('<BASEFONT SIZE="3">');
		}else if(agent.indexOf('Win') >= 0 && navigator.appVersion.indexOf('M')!=-1){
			document.write('<link rel="stylesheet" href="../../css/font_wie.css" type="text/css" media="screen">');
			document.write('<BASEFONT SIZE="2">');
		}else if(agent.indexOf('Win') >= 0 && navigator.appName.charAt(0) == "N" && navigator.appVersion.charAt(0) >= 4){
			document.write('<link rel="stylesheet" href="../../css/font_wns.css" type="text/css" media="screen">');
			document.write('<BASEFONT SIZE="3">');
		}else{
			document.write('<link rel="stylesheet" href="../../css/font_other.css" type="text/css" media="screen">');
		}

// for debug
/*
alert(flag);
*/