function loadCity(parentid) {
 var city = '${hotel.city}';
 
  $.ajax({
    url: './listCity.jspx?prov='+ encodeURIComponent(parentid),
    type: 'GET',
    dataType: 'JSON',
    timeout: 5000,
    error: function() { alert('加载城市列表失败!'); },
    success: function(msg) {
$("#city").empty();
$.each(eval(msg), function(i, item) {
 if(item.city ==city){
  $("<option value='" + item.city + "' selected = 'selected'>" + item.city + "</option>").appendTo($("#city"));
 }else{
   $("<option value='" + item.city + "'>" + item.city + "</option>").appendTo($("#city"));
 }

  
});
    }
  });
}