function show_button() {
	if (document.getElementById && document.getElementsByTagName) {
		if (self.opener) {
			x_close=document.getElementById("close-button");
			x_close.style.display="block";
			document.getElementById("home-button").style.display="none";
			x_close.getElementsByTagName('a')[0].onclick=close_me;
		} else {
			document.getElementById("home-button").style.display="block";
			document.getElementById("close-button").style.display="none";
		}
	}
}

window.onload = show_button;

function close_me () {
	self.close();
	return false;
}