Index: journals_helper.rb
===================================================================
--- journals_helper.rb	(revision 102)
+++ journals_helper.rb	(working copy)
@@ -18,7 +18,9 @@
 module JournalsHelper
   def render_notes(issue, journal, options={})
     content = ''
-    editable = User.current.logged? && (User.current.allowed_to?(:edit_issue_notes, issue.project) || (journal.user == User.current && User.current.allowed_to?(:edit_own_issue_notes, issue.project)))
+#    editable = User.current.logged? && (User.current.allowed_to?(:edit_issue_notes, issue.project) || (journal.user == User.current && User.current.allowed_to?(:edit_own_issue_notes, issue.project)))
+    #user can change his comment only if it was created in 4 hours before now (if user have only 	:edit_own_issue_notes)
+    editable = User.current.logged? && (User.current.allowed_to?(:edit_issue_notes, issue.project) || (journal.user == User.current && User.current.allowed_to?(:edit_own_issue_notes, issue.project) && ((Time.now - journal.created_on) < 14400)))
     links = []
     if !journal.notes.blank?
       links << link_to_remote(image_tag('comment.png'),