function selectHotel(hotel_id) {

   var listDiv        = document.getElementById('hotel_list');
   var reservationDiv = document.getElementById('hotel_reservation_detail');

   var ajaxUrl        = 'x_hotels.php';
   var ajaxParams     = '?hotel_id='+hotel_id+'&room_types=1';

   listDiv.style.display = 'none';
   reservationDiv.style.display= 'block';

   xLoadHTMLDiv('hotel_details', ajaxUrl, ajaxParams, '<p>Fetching room types...</p>');
}


function calculatePrice() {

}