<!--
   if (parseInt(navigator.appVersion) >= 4) {
        var IE = (navigator.appVersion.indexOf("MSIE")!=-1);
        var OS;

        if (navigator.appVersion.indexOf("Win")!=-1) OS = "Windows";
        if (navigator.appVersion.indexOf("Mac")!=-1) OS = "MacOS";
        switch (OS) {
            case "Windows":
                if (IE) {
					if (navigator.appVersion.indexOf("MSIE 7")!=-1) {
						document.write ("<LINK href='pc_ie7.css' rel='stylesheet' type='text/css'>");
					} else {
						document.write ("<LINK href='pc_ie.css' rel='stylesheet' type='text/css'>");
					}
				} else {
					document.write ("<LINK href='main.css' rel='stylesheet' type='text/css'>");
				}
                break;
            case "MacOS":
                if (IE) {
					document.write ("<LINK href='mac_ie.css' rel='stylesheet' type='text/css'>");
				} else {
					document.write ("<LINK href='main.css' rel='stylesheet' type='text/css'>");
				}
                break;
           }
       }
//-->

