diff --git a/app/views/admin/ad_images/_form.html.erb b/app/views/admin/ad_images/_form.html.erb
index 64fcd9c..f0f44c4 100644
--- a/app/views/admin/ad_images/_form.html.erb
+++ b/app/views/admin/ad_images/_form.html.erb
@@ -26,7 +26,7 @@
         <div class="controls">
           <div><%= t("choose_type") %></div>
           <%=
-            select_tag "ad_image[exchange_item]", options_for_select(@item,@item_choose), prompt: t('select'),:onchange => "chg(this.options[this.options.selectedIndex].value)"
+            select_tag "ad_image[exchange_item]", options_for_select(@item,@item_choose), prompt: t('select')
           %>
         </div>
       </div>
@@ -189,20 +189,11 @@
   <%= f.submit t('submit'), class: 'btn btn-primary' %>
 </div>
 <script type="text/javascript">
-  window.onload=chg(document.getElementById("ad_image_exchange_item").value);
-
-  function chg(a)
-  {
-    var i=0;
-      for(i=1;i<=2;i++)
-    {
-      document.getElementById("exchange_item_"+i).style.display = "none";
-    }
-    <% if !@ad_image.new_record? %>
-      document.getElementById("exchange_item_"+<%= @ad_image.exchange_item %>).style.display = "";
-    <% end %>
-  }
-
+  $("div#exchange_item_" + $("#ad_image_exchange_item").val()).show();
+  $("#ad_image_exchange_item").on("change",function(){
+    $("div[id*=exchange_item]").hide();
+    $("div#exchange_item_" + $(this).val()).show();
+  })
   function checkSelect()
   {
     if(document.getElementById("ad_image_exchange_item").value == "")