var url = document.URL;
var ja = false;
if (url.match(/_j\.htm/)) {
	ja = true;
}
if (document.URL.match(/.*\/$/)) {
	url = url + "index.htm";
}

document.write('<A class=ibm-forward-em-link href="');
if (ja) {
	var target = url.replace(/_j\.htm/,".htm");
	document.write(target+'">Go to English Page</a>');
} else {
	var target = url.replace(/\.htm/,"_j.htm");
	document.write(target+'">Go to Japanese Page</a>');
}