

  <!-- //
	var agent = navigator.userAgent;
	var appver = navigator.appVersion;
	var nav = navigator.appName;
	var plf = null;
	var ver = null;
	if(agent.indexOf('Mac') != -1){
		plf = "Mac";
	}else if(agent.indexOf('Win') != -1){
		plf = "Win";
	}else{
		plf = "other";
	}
	if(agent.indexOf('MSIE') == -1){
		ver = appver.charAt(0);
		if(nav == "Netscape"){
			nav = "Netscape";
		}
	}else{
		ver = agent.charAt(agent.indexOf('MSIE') + 5);
		nav = "MSIE";
	}
	var ms = navigator.appVersion.indexOf("MSIE");
	var ie4 = (ms>0) && (parseInt(navigator.appVersion.substring(ms+5, ms+6)) >= 4);
	var winie4 = (plf == "Win") && (ms>0) && (parseInt(navigator.appVersion.substring(ms+5, ms+6)) >= 4);
	var macie5 =  (plf == "Mac") && (ms>0) && (parseInt(navigator.appVersion.substring(ms+5, ms+6)) >= 5);
	var nesc = navigator.appName.lastIndexOf("Netscape"); //一致した位置(0)を返す
	var nesc4 = (nesc >= 0) && (parseInt(navigator.appVersion.substring(0,2)) >= 4);
	var MacMozilla =  (plf == "Mac") && (nav == "Mozilla");
    if (plf == "Mac" && nav == "Netscape") {
    document.write('<LINK REL="stylesheet" TYPE="text/css" HREF="../css/mac_nn.css">');
    } else if (plf == "Mac" && nav == "MSIE") {
    document.write('<LINK REL="stylesheet" TYPE="text/css" HREF="../css/mac.css">');
    } else if (plf == "Win" && nav == "Netscape") {
    document.write('<LINK REL="stylesheet" TYPE="text/css" HREF="../css/win_nn.css">');
    } else if (plf == "Win" && nav == "MSIE") {
    document.write('<LINK REL="stylesheet" TYPE="text/css" HREF="../css/win.css">');
    }
  // -->

