<!--//
function TopOn() {
	if (NNCheck(3) || IECheck(4)) {
		document.images["Top"].src="images/Japanese2.gif";
	}
}
function TopOff() {
	if (NNCheck(3) || IECheck(4)) {
		document.images["Top"].src="images/Japanese1.gif";
	}
}

function NNCheck(version) {
	if ((navigator.appName.indexOf("Netscape") >= 0) && (version <= parseInt(navigator.appVersion.substring(0, 3)))) {
		return true;
	} else {
		return false;
	}
}

function IECheck(version) {
        if ((navigator.appName.indexOf("Microsoft Internet Explorer") >= 0) && (version <= parseInt(navigator.appVersion.substring(22, 25)))) {
                return true;
        } else {
                return false;
        }
}

// -->