function outputTree(tree) {
	for (i in tree) {
		document.write('<li><h2>'+i+'</h2>\n<cite>');
		var members = '';
		for (j in tree[i]['members']) members += tree[i]['members'][j]+', ';
		members = members.replace(/, $/, '');
		document.write(members);
		document.write('</cite>\n<span>'+tree[i]['address']+'</span></li>\n');
		if (tree[i]['households']) {
			document.write('<ul>');
			outputTree(tree[i]['households']);
			document.write('</ul>');
		}
	}
}