function dummy()	{
	window.alert("Hello!");
}

function showImg(fileName,w,h)	{
	opt = "width=" + w + ",height=" + h
		+ ",resizable=yes,menubar=no,scrollbars=yes";
	child = window.open(fileName,"mori_child",opt);
	child.resizeTo(w,h);
	child.focus();
	return false();
}

function closeWindow()	{
	window.close();
}