Event.observe(window, 'load', function() {
	Event.observe($('registration_level'), 'click', check_event_click);
	Event.observe($('registration_event'), 'click', check_event_click);
	flag_payment_required = true;
});

function check_event_click() {
	if ($F('registration_event') == 'June_4,MA' &&  $F('registration_level') == 'training') {
		$$('.payment_info').invoke('hide');
		flag_payment_required = false;
	} else {
		$$('.payment_info').invoke('show');
		flag_payment_required = true;
	}
}