diff --git a/app/controllers/tasks_controller.rb b/app/controllers/tasks_controller.rb
--- a/app/controllers/tasks_controller.rb
+++ b/app/controllers/tasks_controller.rb
@@ -11,6 +11,16 @@
     @user = User.find(session[:user_id])
   end
 
+  def view
+    file_name = "#{RAILS_ROOT}/data/tasks/#{params[:file]}"
+    if !FileTest.exists?(file_name)
+      redirect_to :action => 'index' and return
+    end
+    # ask Apache to send the file
+    response.headers['X-Sendfile'] = file_name
+    render :nothing => true
+  end
+
   protected
 
   def check_viewability
diff --git a/app/models/configuration.rb b/app/models/configuration.rb
--- a/app/models/configuration.rb
+++ b/app/models/configuration.rb
@@ -55,7 +55,7 @@
     return false if mode=='analysis'
     return true
   end
-
+  
   protected
   def self.read_config
     @@configurations = {}
diff --git a/app/views/site/prompt.html.haml b/app/views/site/prompt.html.haml
--- a/app/views/site/prompt.html.haml
+++ b/app/views/site/prompt.html.haml
@@ -17,6 +17,4 @@
   Please make sure that the contestants are ready.
   After the contest is started, it <b>cannot</b> be paused or stopped.
   %br/
-  = submit_tag 'Start the Contest.'
-
-    
+  = submit_tag 'Start the Contest.', :onclick => "return confirm('Are you sure?');"