diff --git a/rhodecode/config/routing.py b/rhodecode/config/routing.py
--- a/rhodecode/config/routing.py
+++ b/rhodecode/config/routing.py
@@ -463,6 +463,11 @@ def make_map(config):
                  action='comment', conditions=dict(function=check_repo,
                                                 method=["POST"]))
 
+    rmap.connect('pullrequest_comment_delete',
+                 '/{repo_name:.*}/pull-request-comment/{comment_id}/delete',
+                controller='pullrequests', action='delete_comment',
+                conditions=dict(function=check_repo, method=["DELETE"]))
+
     rmap.connect('summary_home', '/{repo_name:.*}/summary',
                 controller='summary', conditions=dict(function=check_repo))
 
diff --git a/rhodecode/controllers/pullrequests.py b/rhodecode/controllers/pullrequests.py
--- a/rhodecode/controllers/pullrequests.py
+++ b/rhodecode/controllers/pullrequests.py
@@ -25,7 +25,7 @@
 import logging
 import traceback
 
-from webob.exc import HTTPNotFound
+from webob.exc import HTTPNotFound, HTTPForbidden
 from collections import defaultdict
 from itertools import groupby
 
@@ -39,7 +39,8 @@ from rhodecode.lib.auth import LoginRequ
 from rhodecode.lib import helpers as h
 from rhodecode.lib import diffs
 from rhodecode.lib.utils import action_logger
-from rhodecode.model.db import User, PullRequest, ChangesetStatus
+from rhodecode.model.db import User, PullRequest, ChangesetStatus,\
+    ChangesetComment
 from rhodecode.model.pull_request import PullRequestModel
 from rhodecode.model.meta import Session
 from rhodecode.model.repo import RepoModel
@@ -189,7 +190,8 @@ class PullrequestsController(BaseRepoCon
         for f in _parsed:
             fid = h.FID('', f['filename'])
             c.files.append([fid, f['operation'], f['filename'], f['stats']])
-            diff = diff_processor.as_html(enable_comments=False, diff_lines=[f])
+            diff = diff_processor.as_html(enable_comments=True,
+                                          diff_lines=[f])
             c.changes[fid] = [f['operation'], f['filename'], diff]
 
     def show(self, repo_name, pull_request_id):
@@ -295,3 +297,14 @@ class PullrequestsController(BaseRepoCon
                          render('changeset/changeset_comment_block.html')})
 
         return data
+
+    @jsonify
+    def delete_comment(self, repo_name, comment_id):
+        co = ChangesetComment.get(comment_id)
+        owner = lambda: co.author.user_id == c.rhodecode_user.user_id
+        if h.HasPermissionAny('hg.admin', 'repository.admin')() or owner:
+            ChangesetCommentsModel().delete(comment=co)
+            Session.commit()
+            return True
+        else:
+            raise HTTPForbidden()
\ No newline at end of file
diff --git a/rhodecode/templates/changeset/changeset.html b/rhodecode/templates/changeset/changeset.html
--- a/rhodecode/templates/changeset/changeset.html
+++ b/rhodecode/templates/changeset/changeset.html
@@ -125,6 +125,8 @@
     <script>
     var _USERS_AC_DATA = ${c.users_array|n};
     var _GROUPS_AC_DATA = ${c.users_groups_array|n};
+    AJAX_COMMENT_URL = "${url('changeset_comment',repo_name=c.repo_name,revision=c.changeset.raw_id)}";
+    AJAX_COMMENT_DELETE_URL = "${url('changeset_comment_delete',repo_name=c.repo_name,comment_id='__COMMENT_ID__')}";    
     </script>
     ## diff block
     <%namespace name="diff_block" file="/changeset/diff_block.html"/>
@@ -132,16 +134,15 @@
 
     ## template for inline comment form
     <%namespace name="comment" file="/changeset/changeset_file_comment.html"/>
-    ${comment.comment_inline_form(c.changeset)}
+    ${comment.comment_inline_form()}
 
     ## render comments main comments form and it status
     ${comment.comments(h.url('changeset_comment', repo_name=c.repo_name, revision=c.changeset.raw_id),
                        h.changeset_status(c.rhodecode_db_repo, c.changeset.raw_id))}
 
+    ## FORM FOR MAKING JS ACTION AS CHANGESET COMMENTS
     <script type="text/javascript">
       YUE.onDOMReady(function(){
-    	  AJAX_COMMENT_URL = "${url('changeset_comment',repo_name=c.repo_name,revision=c.changeset.raw_id)}";
-    	  AJAX_COMMENT_DELETE_URL = "${url('changeset_comment_delete',repo_name=c.repo_name,comment_id='__COMMENT_ID__')}"
           YUE.on(YUQ('.show-inline-comments'),'change',function(e){
               var show = 'none';
               var target = e.currentTarget;
@@ -167,7 +168,6 @@
           // inject comments into they proper positions
           var file_comments = YUQ('.inline-comment-placeholder');
           renderInlineComments(file_comments);
-
       })
 
     </script>
diff --git a/rhodecode/templates/changeset/changeset_file_comment.html b/rhodecode/templates/changeset/changeset_file_comment.html
--- a/rhodecode/templates/changeset/changeset_file_comment.html
+++ b/rhodecode/templates/changeset/changeset_file_comment.html
@@ -35,12 +35,12 @@
 </%def>
 
 
-<%def name="comment_inline_form(changeset)">
+<%def name="comment_inline_form()">
 <div id='comment-inline-form-template' style="display:none">
   <div class="comment-inline-form ac">
   %if c.rhodecode_user.username != 'default':
     <div class="overlay"><div class="overlay-text">${_('Submitting...')}</div></div>
-      ${h.form(h.url('changeset_comment', repo_name=c.repo_name, revision=changeset.raw_id),class_='inline-form')}
+      ${h.form('#', class_='inline-form')}
       <div class="clearfix">
           <div class="comment-help">${_('Commenting on line {1}.')}
           ${(_('Comments parsed using %s syntax with %s support.') % (
diff --git a/rhodecode/templates/pullrequests/pullrequest_show.html b/rhodecode/templates/pullrequests/pullrequest_show.html
--- a/rhodecode/templates/pullrequests/pullrequest_show.html
+++ b/rhodecode/templates/pullrequests/pullrequest_show.html
@@ -83,6 +83,8 @@
     <script>
     var _USERS_AC_DATA = ${c.users_array|n};
     var _GROUPS_AC_DATA = ${c.users_groups_array|n};
+    AJAX_COMMENT_URL = "${url('pullrequest_comment',repo_name=c.repo_name,pull_request_id=c.pull_request.pull_request_id)}";
+    AJAX_COMMENT_DELETE_URL = "${url('pullrequest_comment_delete',repo_name=c.repo_name,comment_id='__COMMENT_ID__')}";  
     </script>
 
     ## diff block
@@ -93,12 +95,46 @@
 
     ## template for inline comment form
     <%namespace name="comment" file="/changeset/changeset_file_comment.html"/>
-    ##${comment.comment_inline_form(c.changeset)}
+    ${comment.comment_inline_form()}
 
     ## render comments main comments form and it status
     ${comment.comments(h.url('pullrequest_comment', repo_name=c.repo_name, pull_request_id=c.pull_request.pull_request_id),
                        c.current_changeset_status)}
 
+
+    <script type="text/javascript">
+      YUE.onDOMReady(function(){
+
+          YUE.on(YUQ('.show-inline-comments'),'change',function(e){
+              var show = 'none';
+              var target = e.currentTarget;
+              if(target.checked){
+                  var show = ''
+              }
+              var boxid = YUD.getAttribute(target,'id_for');
+              var comments = YUQ('#{0} .inline-comments'.format(boxid));
+              for(c in comments){
+                 YUD.setStyle(comments[c],'display',show);
+              }
+              var btns = YUQ('#{0} .inline-comments-button'.format(boxid));
+              for(c in btns){
+                  YUD.setStyle(btns[c],'display',show);
+               }
+          })
+
+          YUE.on(YUQ('.line'),'click',function(e){
+              var tr = e.currentTarget;
+              injectInlineForm(tr);
+          });
+
+          // inject comments into they proper positions
+          var file_comments = YUQ('.inline-comment-placeholder');
+          renderInlineComments(file_comments);
+      })
+
+    </script>
+
+
 </div>
 
 </%def>