diff --git a/module/common/view/header.html.php b/module/common/view/header.html.php
index 8c363207c5..3f4b45231b 100755
--- a/module/common/view/header.html.php
+++ b/module/common/view/header.html.php
@@ -4,6 +4,13 @@ include 'header.lite.html.php';
 include 'chosen.html.php';
 //include 'validation.html.php';
 ?>
+<?php
+/* Load hook files for current page. */
+$extPath      = $this->app->getModuleRoot() . '/common/ext/view/';
+$extHookRule  = $extPath . 'header.*.hook.php';
+$extHookFiles = glob($extHookRule);
+if($extHookFiles) foreach($extHookFiles as $extHookFile) include $extHookFile;
+?>
 <?php if(empty($_GET['onlybody']) or $_GET['onlybody'] != 'yes'):?>
 <?php $this->app->loadConfig('sso');?>
 <?php 
diff --git a/module/doc/css/alllibs.css b/module/doc/css/alllibs.css
index 69889454da..515312e555 100644
--- a/module/doc/css/alllibs.css
+++ b/module/doc/css/alllibs.css
@@ -1,3 +1,4 @@
 #libs .libs-group-heading{border:1px solid #ddd;overflow:hidden}
 #libs .libs-group{border:1px solid #ddd; border-top:0px;overflow:hidden; margin-bottom:20px;}
+#libs .libs-group.libs-custom{border-top:1px solid #ddd;overflow:hidden; margin-bottom:20px;}
 #libs .lib-custom{width:130px; margin-bottom:10px;}
diff --git a/module/doc/js/common.js b/module/doc/js/common.js
index 059ad40033..161cd7f325 100644
--- a/module/doc/js/common.js
+++ b/module/doc/js/common.js
@@ -226,7 +226,7 @@ $(document).ready(function()
     $('#modulemenu .nav li').removeClass('active');
     if(typeof(type) != 'undefined') $('#modulemenu .nav li[data-id="' + type + '"]').addClass('active');
 
-    $('.libs-group').sortable(
+    $('.libs-group.sort').sortable(
     {
         trigger:  '.lib',
         selector: '.lib',
diff --git a/module/doc/model.php b/module/doc/model.php
index f581a0a74e..22fa47241a 100644
--- a/module/doc/model.php
+++ b/module/doc/model.php
@@ -161,7 +161,11 @@ class docModel extends model
         $libID  = (int)$libID;
         $oldLib = $this->getLibById($libID);
         $lib = fixer::input('post')->join('groups', ',')->join('users', ',')->get();
-        if($lib->acl == 'private') $lib->users = $this->app->user->account;
+        if($lib->acl == 'private')
+        {
+            $libCreatedBy = $this->dao->select('*')->from(TABLE_ACTION)->where('objectType')->eq('doclib')->andWhere('objectID')->eq($libID)->andWhere('action')->eq('created')->fetch('actor');
+            $lib->users   = $libCreatedBy ? $libCreatedBy : $this->app->user->account;
+        }
         $this->dao->update(TABLE_DOCLIB)->data($lib)->autoCheck()
             ->batchCheck('name', 'notempty')
             ->where('id')->eq($libID)
diff --git a/module/doc/view/alllibs.html.php b/module/doc/view/alllibs.html.php
index 1e6bdc9911..d493b3fde3 100644
--- a/module/doc/view/alllibs.html.php
+++ b/module/doc/view/alllibs.html.php
@@ -52,10 +52,12 @@
     <?php endforeach; ?>
   </div>
   <?php else: ?>
-  <div class='clearfix libs-group'>
+  <div class='clearfix libs-group libs-custom <?php if(common::hasPriv('doc', 'sort')) echo 'sort'?>'>
     <?php foreach($libs as $lib):?>
     <a class='lib lib-custom' title='<?php echo $lib->name?>' href='<?php echo inlink('browse', "libID=$lib->id") ?>' data-id='<?php echo $lib->id;?>'>
+      <?php if(common::hasPriv('doc', 'sort')):?>
       <i class='icon icon-move'></i>
+      <?php endif;?>
       <img src='<?php echo $config->webRoot . 'theme/default/images/main/doc-lib.png'?>' class='file-icon' />
       <div class='lib-name' title='<?php echo $lib->name?>'><?php echo $lib->name?></div>
     </a>
diff --git a/module/doc/view/objectlibs.html.php b/module/doc/view/objectlibs.html.php
index 30e73189f4..65cb27b3fa 100644
--- a/module/doc/view/objectlibs.html.php
+++ b/module/doc/view/objectlibs.html.php
@@ -16,7 +16,7 @@
   <div class='actions'><?php echo html::backButton();?></div>
 </div>
 <div id='libs'>
-  <div class='libs-group clearfix'>
+  <div class='libs-group clearfix <?php if(common::hasPriv('doc', 'sort')) echo 'sort'?>'>
     <?php foreach($libs as $libID => $libName):?>
     <?php
     if($libID == 'project' and $from != 'doc') continue;
@@ -26,7 +26,7 @@
     if($libID == 'files')   $libLink = inlink('showFiles', "type=$type&objectID=$object->id");
     ?>
     <a class='lib <?php echo $libID == 'files' ? 'files' : '';?>' title='<?php echo $libName?>' href='<?php echo $libLink?>' data-id='<?php echo $libID;?>'>
-      <?php if($libID != 'files' and $libID != 'project'):?><i class='icon icon-move'></i><?php endif;?>
+      <?php if($libID != 'files' and $libID != 'project' and common::hasPriv('doc', 'sort')):?><i class='icon icon-move'></i><?php endif;?>
       <img src='<?php echo $config->webRoot . 'theme/default/images/main/doc-lib.png'?>' class='file-icon' />
       <div class='lib-name' title='<?php echo $libName?>'><?php echo $libName?></div>
     </a>
diff --git a/module/testsuite/control.php b/module/testsuite/control.php
index efd85aaaf5..5b8a787fde 100644
--- a/module/testsuite/control.php
+++ b/module/testsuite/control.php
@@ -174,8 +174,6 @@ class testsuite extends control
 
         if($suite->type == 'library')
         {
-            $this->lang->menugroup->testsuite  = 'caselib';
-
             /* Set lib menu. */
             $libraries = $this->testsuite->getLibraries();
             $suiteID   = $this->testsuite->saveLibState($suiteID, $libraries);
@@ -379,8 +377,6 @@ class testsuite extends control
      */
     public function library($libID = 0, $browseType = 'all', $param = 0, $orderBy = 'id_desc', $recTotal = 0, $recPerPage = 20, $pageID = 1)
     {
-        $this->lang->menugroup->testsuite  = 'caselib';
-
         /* Set browse type. */
         $browseType = strtolower($browseType);
 
@@ -456,8 +452,6 @@ class testsuite extends control
      */
     public function createLib()
     {
-        $this->lang->menugroup->testsuite  = 'caselib';
-
         if(!empty($_POST))
         {
             $libID = $this->testsuite->createLib();
@@ -487,8 +481,6 @@ class testsuite extends control
      */
     public function createCase($libID, $moduleID = 0, $param = 0)
     {
-        $this->lang->menugroup->testsuite = 'caselib';
-
         if(!empty($_POST))
         {
             $caseResult = $this->loadModel('testcase')->create($bugID = 0);
@@ -573,7 +565,6 @@ class testsuite extends control
      */
     public function batchCreateCase($libID, $moduleID = 0)
     {
-        $this->lang->menugroup->testsuite = 'caselib';
         $this->loadModel('testcase');
         if(!empty($_POST))
         {
@@ -614,8 +605,6 @@ class testsuite extends control
      */
     public function libView($libID)
     {
-        $this->lang->menugroup->testsuite  = 'caselib';
-
         $lib = $this->testsuite->getById($libID);
 
         /* Set lib menu. */