diff --git a/app/views/mobile/index.mobile.erb b/app/views/mobile/index.mobile.erb
index 57c3043..b6f4e7c 100644
--- a/app/views/mobile/index.mobile.erb
+++ b/app/views/mobile/index.mobile.erb
@@ -1,8 +1,11 @@
+<% unless @ad_banner.nil? %>
 <div id='slideshow-<%= @ad_banner.title.dehumanize %>' class="orbit-cycle-slideshow"  data-cycle-timeout="<%= @ad_banner.timeout_millisecond %>" data-cycle-fx="<%= @ad_banner.ad_fx %>" data-cycle-random='true' style="z-index: 0">
   <% @ad_banner.ad_images.can_display.each do |image| %>
     <%= image_tag image.file.url, width: @ad_banner.width, height: @ad_banner.height %>
   <% end %>
 </div>
+<% end %>
+
  <div class="newlist clear">
   <% @bulletins.each do |bulletin| %>
     <div class="newitem">
@@ -17,6 +20,8 @@
     </div>
   <% end %>
  </div>
+
+ <% unless @ad_banner.nil? %>
 <script type='text/javascript'>
   $(function(){
     if($("#slideshow-<%= @ad_banner.title.dehumanize %> img").length > 1){    
@@ -33,3 +38,4 @@
     }
   });
 </script>
+<% end %>