function counterBooking()
{
	var url = '/booking/booking.php?hotel=' + $F('accommodation-type');
	
	new Ajax.Request(url, 
	{
		method: 'get',
		onSuccess: function(xmlhttp) {}
	});
	
	return true;
}

function updateCena(book_room_id, pocet, cena)
{
	
	if($('celkem-' + book_room_id))
	{
    var cena = pocet * cena;  
    $('celkem-' + book_room_id).innerHTML = cena + ' €'; 
  }
	return true;
}