<!--
    if (parseInt(navigator.appVersion) >= 4) {
        var IE4 = (navigator.appVersion.indexOf("MSIE") > 0);
        var NN4 = (navigator.appName == "Netscape");
        var OS;
        if (navigator.appVersion.indexOf("Win") > 0) {OS = "Windows"};
        if (navigator.appVersion.indexOf("Mac") > 0) {OS = "MacOS";}
        switch (OS) {
            case "Windows":
                if (IE4 > 0) document.write ("<link href='../css/main_styles.css' rel='stylesheet' type='text/css'");
                if (NN4 > 0) document.write ("<link href='../css/main_styles.css' rel='stylesheet' type='text/css'");
                break;
            case "MacOS":
                if (IE4 > 0) document.write ("<link href='../css/ie5mac_styles.css' rel='stylesheet' type='text/css'");
                if (NN4 > 0) document.write ("<link href='../css/main_styles.css' rel='stylesheet' type='text/css'");
                break;
         	default:
				document.write ("<link href='../css/main_styles.css' rel='stylesheet' type='text/css'");
			}
        }
//-->
