$(document).ready(function() {
  $('#detailOptions').bind("change", function(e) {
    $.getJSON("/products/ServiceChargeData.html",
              { optionId: $('#detailOptions').val() },
              function(json) {
               if (json.charge[0].display) {
                 $('#serviceCharge').show();
               }
               else {
                 $('#serviceCharge').hide();
               }
                $('#serviceChargeTitle').html(json.charge[0].title);
                $('#serviceChargePrice').html(json.charge[0].price);
              });
  });
});