diff --git a/module/doc/control.php b/module/doc/control.php
index df3cab5819..28e22d3b34 100644
--- a/module/doc/control.php
+++ b/module/doc/control.php
@@ -168,11 +168,24 @@ class doc extends control
             $this->view->itemCounts = $this->doc->statLibCounts(array_keys($libs));
         }
 
+        $attachLibs = array();
+        if(!empty($lib) and (!empty($lib->product) or !empty($lib->project)) and $browseType != 'bymodule')
+        {
+            $count = $this->dao->select('count(*) as count')->from(TABLE_DOCLIB)->where('project')->eq($lib->project)->andWhere('product')->eq($lib->product)->fetch('count');
+            if($count == 1 and $type and isset($lib->$type))
+            {
+                $objectLibs = $this->doc->getLibsByObject($type, $lib->$type);
+                if(isset($objectLibs['project'])) $attachLibs['project'] = $objectLibs['project'];
+                if(isset($objectLibs['files']))   $attachLibs['files']   = $objectLibs['files'];
+            }
+        }
+
         $this->view->breadTitle = $title;
         $this->view->libID      = $libID;
         $this->view->moduleID   = $moduleID;
         $this->view->modules    = $this->doc->getDocMenu($libID, $moduleID, '`order`', $browseType);
         $this->view->docs       = $this->doc->getDocsByBrowseType($libID, $browseType, $queryID, $moduleID, $sort, $pager);
+        $this->view->attachLibs = $attachLibs;
         $this->view->users      = $this->loadModel('user')->getPairs('noletter');
         $this->view->orderBy    = $orderBy;
         $this->view->browseType = $browseType;
diff --git a/module/doc/model.php b/module/doc/model.php
index 6dc1252e5b..674d03b25e 100644
--- a/module/doc/model.php
+++ b/module/doc/model.php
@@ -51,7 +51,12 @@ class docModel extends model
                 $mainLib     = $this->lang->doc->libTypeList[$type];
                 $selectHtml .= "<div class='btn-group angle-btn'>";
                 $selectHtml .= "<div class='btn-group'>";
-                $selectHtml .= "<a class='btn btn-limit' title=$mainLib href=" . helper::createLink('doc', 'allLibs', "type=product") . ">" . $mainLib . "</a>";
+                $selectHtml .= "<a data-toggle='dropdown' class='btn btn-limit' title=$mainLib>" . $mainLib . " <span class='caret'></span></a>";
+                $selectHtml .= "<ul class='dropdown-menu'>";
+                foreach($this->lang->doc->libTypeList as $libType => $libName)
+                {
+                    $selectHtml .= '<li>' . html::a(helper::createLink('doc', 'allLibs', "type=$libType"), "<i class='icon {$this->lang->doc->libIconList[$libType]}'></i> {$this->lang->doc->libTypeList[$libType]}") . '</li>';
+                }
                 $selectHtml .='</ul></div></div>';
             }