Replaced protoype with jquery. Some fixes in mailer class.

app/controllers/feedback_controller.rb

@@ -1,19 +1,14 @@
 class FeedbackController < ApplicationController
 
   def new
-    render :update do |page|
-      page.replace_html :ajax_box, :partial => "new"
-      page.show :ajax_box
-    end
   end
 
   def create
     unless params[:message].blank?
       Mailer.feedback(current_user, params[:message]).deliver
-    end
-
-    render :update do |page|
-      page.replace_html :ajax_box, :partial => "success"
+      redirect_to new_feedback_url, :notice => 'The message was successfully delivered.'
+    else
+      render :action => 'new'
     end
   end