function formPost(path, hash) {
	f = new Element('form', { method: 'post', action: path });
	for(o in hash) {
		i = new Element('input', { type: 'hidden', name: o, value: hash[o] });
		f.insert({ bottom: i });
	}
	$$('body')[0].insert({ bottom: f });
	f.submit();
}