function toggle(div, state)
{
	div = document.getElementById(div);
	state = document.getElementById(state);

	if (div == null || state == null)
		return;

	collapsed = div.className.match(/\bcollapsed\b/i);

	div.className = collapsed ? div.className.replace(/\bcollapsed\b/i, "") : div.className + " collapsed";

	if (state == null)
		return;

	state.className = collapsed ? state.className.replace(/\bstate_collapsed\b/i, "") : state.className + " state_collapsed";
}