function getByID (n) {
	var d = window.document;
	if (d.getElementById)
	return d.getElementById(n);
	else if (d.all)
	return d.all[n];
}
function showHide (item) {
	var obj = getByID('show_hide_' + item);
	var lnk_obj = getByID('show_hide_link_' + item);
	if (obj && lnk_obj)
	if (obj.style.display == 'none') {
		obj.style.display = 'block';
		lnk_obj.style.backgroundImage = 'url(/typepad/images/marker-pagelinks-js.gif)';
	} else if (obj.style.display == 'block') {
		obj.style.display = 'none';
		lnk_obj.style.backgroundImage = 'url(/typepad/images/marker-links-js.gif)';
	}
}