diff --git a/app/assets/javascripts/design_temp.js b/app/assets/javascripts/design_temp.js
index ff19da16..2c8ccb1c 100644
--- a/app/assets/javascripts/design_temp.js
+++ b/app/assets/javascripts/design_temp.js
@@ -11,7 +11,7 @@ function r_editor(tgetUrl,tpostUrl,tfilename,toption){
   editor.height = toption['height'];
   var html='';
   editor.init = function(){
-    code = "<span style='border:solid; width:"+editor.width+"px;height:"+editor.height+"px; float:right;' ><textarea style='height:87%;width:97%;resize:none;border:none;' ></textarea><input type='button' class='send'  value='Send' ><input type='button' class='discard' value='Discard' ></span>";
+    code = "<span id='file_editor' style='border:solid; width:"+editor.width+"px;height:"+editor.height+"px; float:right;' ><textarea style='height:87%;width:97%;resize:none;border:none;' ></textarea><input type='button' class='send'  value='Send' ><input type='button' class='discard' value='Discard' ></span>";
     html = $(code);
     html.children("textarea").load(editor.getUrl);
     html.children("input.discard").click(function(){
@@ -28,12 +28,7 @@ function r_editor(tgetUrl,tpostUrl,tfilename,toption){
     });
   };
   editor.send = function(){
-    callback_for_send = function(data){
-      editor.postUrl = data;
-      alert($(this).attr("path"));
-    };
-    $.post(editor.postUrl,{filename:editor.filename,context:html.children("textarea").val(),authenticity_token:$('meta[name=csrf-token]').attr('content')},callback_for_send,"json");
-  
+    $.post(editor.postUrl,{filename:editor.filename,context:html.children("textarea").val(),authenticity_token:$('meta[name=csrf-token]').attr('content')},null,"script");
   };
   editor.destroy = function(){
     html.remove();
diff --git a/app/controllers/admin/designs_controller.rb b/app/controllers/admin/designs_controller.rb
index 932c855b..c52d653b 100644
--- a/app/controllers/admin/designs_controller.rb
+++ b/app/controllers/admin/designs_controller.rb
@@ -44,7 +44,7 @@ class Admin::DesignsController < ApplicationController
   def edit_file
     @design = Design.find(params[:id])
     filename = params[:filename]
-    files = @design.stylesheets + @design.javascripts + @design.images
+    files = @design.themes + @design.javascripts + @design.images
     file_to_removed = files.find{ |obj|
       obj.file_filename == filename
     }
@@ -56,11 +56,12 @@ class Admin::DesignsController < ApplicationController
       replace_target = eval("@design.#{type.downcase.pluralize}")
       new_file = replace_target.build(:file => temp_file,:to_save=>true)
       file_to_removed.destroy
-      @design.save
+      new_file.save
       temp_file.close
-      }
-      render :json => new_file.file.url
-    
+    }
+    respond_to do |format|
+      format.js  {}
+    end
   end
 
   def edit
diff --git a/app/models/design/design.rb b/app/models/design/design.rb
index 1d4a5284..4d695710 100644
--- a/app/models/design/design.rb
+++ b/app/models/design/design.rb
@@ -13,6 +13,7 @@ class Design
   has_many :pages
   
   embeds_one :layout
+  embeds_many :stylesheets
   embeds_many :themes
   embeds_many :javascripts
   embeds_many :images
diff --git a/app/views/admin/designs/edit_file.js.erb b/app/views/admin/designs/edit_file.js.erb
new file mode 100644
index 00000000..96746b39
--- /dev/null
+++ b/app/views/admin/designs/edit_file.js.erb
@@ -0,0 +1 @@
+$('#file_editor').remove();
\ No newline at end of file