diff --git a/app/controllers/journals_controller.rb b/app/controllers/journals_controller.rb
index 05d41fa3..758b8507 100644
--- a/app/controllers/journals_controller.rb
+++ b/app/controllers/journals_controller.rb
@@ -22,11 +22,11 @@ class JournalsController < ApplicationController
   def edit
     if request.post?
       @journal.update_attributes(:notes => params[:notes]) if params[:notes]
+      @journal.destroy if @journal.details.empty? && @journal.notes.blank?
       respond_to do |format|
         format.html { redirect_to :controller => 'issues', :action => 'show', :id => @journal.journalized_id }
         format.js { render :action => 'update' }
       end
-      return
     end
   end
   
diff --git a/app/helpers/journals_helper.rb b/app/helpers/journals_helper.rb
index 2f902432..234bfabc 100644
--- a/app/helpers/journals_helper.rb
+++ b/app/helpers/journals_helper.rb
@@ -19,7 +19,7 @@ module JournalsHelper
   def render_notes(journal, options={})
     content = ''
     editable = journal.editable_by?(User.current)
-    if editable
+    if editable && !journal.notes.blank?
       links = []
       links << link_to_in_place_notes_editor(image_tag('edit.png'), "journal-#{journal.id}-notes", 
                                              { :controller => 'journals', :action => 'edit', :id => journal },
diff --git a/app/models/journal.rb b/app/models/journal.rb
index df730843..013e2644 100644
--- a/app/models/journal.rb
+++ b/app/models/journal.rb
@@ -51,6 +51,7 @@ class Journal < ActiveRecord::Base
   end
   
   def editable_by?(usr)
-    usr && usr.admin?
+    project = journalized.project
+    usr && usr.logged? && (usr.allowed_to?(:edit_issue_notes, project) || (self.user == usr && usr.allowed_to?(:edit_own_issue_notes, project)))
   end
 end
diff --git a/app/views/issues/_history.rhtml b/app/views/issues/_history.rhtml
index edfb9b94..7c1ee211 100644
--- a/app/views/issues/_history.rhtml
+++ b/app/views/issues/_history.rhtml
@@ -1,5 +1,6 @@
 <% note_id = 1 %>
 <% for journal in journals %>
+    <div id="change-<%= journal.id %>">
 	<h4><div style="float:right;"><%= link_to "##{note_id}", :anchor => "note-#{note_id}" %></div>
 	<%= content_tag('a', '', :name => "note-#{note_id}")%>
 	<%= format_time(journal.created_on) %> - <%= journal.user.name %></h4>
@@ -9,5 +10,6 @@
 	<% end %>
 	</ul>
 	<%= render_notes(journal) unless journal.notes.blank? %>
+	</div>
   	<% note_id += 1 %>
 <% end %>
diff --git a/app/views/journals/update.rjs b/app/views/journals/update.rjs
index 9da0ebea..2b5a54c0 100644
--- a/app/views/journals/update.rjs
+++ b/app/views/journals/update.rjs
@@ -1,3 +1,8 @@
-page.replace "journal-#{@journal.id}-notes", render_notes(@journal)
-page.show "journal-#{@journal.id}-notes"
-page.remove "journal-#{@journal.id}-form"
+if @journal.frozen?
+  # journal was destroyed
+  page.remove "change-#{@journal.id}"
+else
+  page.replace "journal-#{@journal.id}-notes", render_notes(@journal)
+  page.show "journal-#{@journal.id}-notes"
+  page.remove "journal-#{@journal.id}-form"
+end
diff --git a/lib/redmine.rb b/lib/redmine.rb
index b235df32..e76d77e9 100644
--- a/lib/redmine.rb
+++ b/lib/redmine.rb
@@ -34,6 +34,8 @@ Redmine::AccessControl.map do |map|
     map.permission :edit_issues, {:issues => [:edit, :bulk_edit, :destroy_attachment]}
     map.permission :manage_issue_relations, {:issue_relations => [:new, :destroy]}
     map.permission :add_issue_notes, {:issues => :edit}
+    map.permission :edit_issue_notes, {:journals => :edit}, :require => :loggedin
+    map.permission :edit_own_issue_notes, {:journals => :edit}, :require => :loggedin
     map.permission :move_issues, {:issues => :move}, :require => :loggedin
     map.permission :delete_issues, {:issues => :destroy}, :require => :member
     # Queries
diff --git a/test/functional/journals_controller_test.rb b/test/functional/journals_controller_test.rb
index f231d10e..e6a90185 100644
--- a/test/functional/journals_controller_test.rb
+++ b/test/functional/journals_controller_test.rb
@@ -48,4 +48,12 @@ class JournalsControllerTest < ActionController::TestCase
     assert_select_rjs :replace, 'journal-2-notes'
     assert_equal 'Updated notes', Journal.find(2).notes
   end
+  
+  def test_post_edit_with_empty_notes
+    @request.session[:user_id] = 1
+    xhr :post, :edit, :id => 2, :notes => ''
+    assert_response :success
+    assert_select_rjs :remove, 'change-2'
+    assert_nil Journal.find_by_id(2)
+  end
 end