function goToState( goto_state ) {
	state_id = document.getElementById(goto_state).value;
	if (state_id.length != 0) {
		parent.window.location = 'zone-' + state_id + '.php';
	}
}

function ajax_call (formfield, action, span_id, params) {
	if (formfield) value_id = document.getElementById(formfield).value;
	new ajax('ajax.php', {postBody: 'action=' + action + '&id=' + value_id + '&params=' + params, update: $(span_id)});
}