//ブラウザ判別
	var agent = ""
	var ss = ""

	if (navigator.appVersion.indexOf('Mac') != -1) {
		if (navigator.appName.indexOf('Netscape') != -1) {
			agent = "nn_mac";
		} else if (navigator.appVersion.indexOf('MSIE') != -1) {
			agent = "ie_mac";
		}
	} else if (navigator.appVersion.indexOf('Win') != -1) {
		if (navigator.appName.indexOf('Netscape') != -1) {
			agent = "nn_win";
		} else if (navigator.appVersion.indexOf('MSIE') != -1) {
			agent = "ie_win";
		}
	}

//ブラウザに応じて切り替え
	if (agent != "") {
		 if (agent == "nn_mac") {
			ss = '<LINK HREF="css/font_mac.css" REL="styleSheet" TYPE="text/css">'
		} else if (agent == "ie_mac") {
			ss = '<LINK HREF="css/font_mac.css" REL="styleSheet" TYPE="text/css">'
		} else if (agent == "nn_win") {
			ss = '<LINK HREF="css/font_win.css" REL="styleSheet" TYPE="text/css">'
		} else if (agent == "ie_win") {
			ss = '<LINK HREF="css/font_win.css" REL="styleSheet" TYPE="text/css">'
		}
	}

document.write(ss);