diff --git a/lib/tm/htmloutput.rb b/lib/tm/htmloutput.rb
index fbaa3d7..da6fc4e 100644
--- a/lib/tm/htmloutput.rb
+++ b/lib/tm/htmloutput.rb
@@ -32,6 +32,7 @@
   <%- end -%>
   <script src="file://<%= e_url support_path %>/script/default.js"    type="text/javascript" charset="utf-8"></script>
   <script src="file://<%= e_url support_path %>/script/webpreview.js" type="text/javascript" charset="utf-8"></script>
+  <script>var image_path = "file://<%= e_url support_path %>/images/";</script>
   <script src="file://<%= e_url support_path %>/script/sortable.js"   type="text/javascript" charset="utf-8"></script>
   <%= html_head -%>
 </head>