if((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )) {
	if((navigator.appVersion.indexOf("Macintosh"))!= -1) {
		document.write('<link rel="stylesheet" href="script/normal.css" type="text/css">');
	} else if((navigator.userAgent.indexOf(" Opera ") != -1) || (navigator.userAgent.indexOf("Opera/") != -1)) {
		document.write('<link rel="stylesheet" href="script/normal.css" type="text/css">');
	} else if ((navigator.appVersion.indexOf('MSIE 6')) != -1) {
		document.write('<link rel="stylesheet" href="script/normal.css" type="text/css">');
	} else {
		document.write('<link rel="stylesheet" href="script/normal.css" type="text/css">');
	}
} else if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 4)) {
	if ((navigator.appVersion.indexOf("Macintosh"))!= -1) {
		if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 5)) {
			document.write('<link rel="stylesheet" href="script/normal.css" type="text/css">');
		} else {
			document.write('<link rel="stylesheet" href="script/low.css" type="text/css">');
		}
	} else if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 5)) {
		document.write('<link rel="stylesheet" href="script/normal.css" type="text/css">');
	} else if ((navigator.userAgent.indexOf(" Opera ") != -1) || (navigator.userAgent.indexOf("Opera/") != -1)) {
		document.write('<link rel="stylesheet" href="script/normal.css" type="text/css">');
	} else {
		document.write('<link rel="stylesheet" href="script/normal.css" type="text/css">');
	}
} else {
	document.write('<link rel="stylesheet" href="script/low.css" type="text/css">');
}