function changeMFA(){
	
	if($('MFA').value == 'Wybierz'){ $('TYPE').update(); $('MODEL').update(); return; }
	url = './ajax_czesci/modele/'+$('MFA').value+'?type='+$('form_type').value;
	new Ajax.Request(url, { method: 'get', onSuccess: function(transport) { $('MODEL').update(transport.responseText); } });

	$('TYPE').update();
	$('MODEL').update();

	
}

function changeMODEL(){
	if($('MFA').value == 'Wybierz'){ return; }
	url = './ajax_czesci/types/'+$('MODEL').value+'?type='+$('form_type').value;
	new Ajax.Request(url, { method: 'get', onSuccess: function(transport) { $('TYPE').update(transport.responseText); } });

}


function checkBeforeSend(event){
	
	
	var element = event.element();
	
	if($('TYPE').value == '') {
		if($('MODEL').value == ''){ new Effect.Pulsate('MODEL_LABEL',{ pulses: 2, duration: 1 }); }
		new Effect.Pulsate('TYPE_LABEL',{ pulses: 2, duration: 1 });
		Event.stop(event);
	}
}







Event.observe(window, 'load', function() {
	

	
  Event.observe('MFA', 'change', changeMFA);
  Event.observe('MODEL', 'change', changeMODEL);
  Event.observe('start_form', 'submit', checkBeforeSend);
});