FIX #3790 iframe blindup after creation

modules/folder/class/class_modules_tools_Abstract.php

@@ -425,7 +425,7 @@ abstract class folder_Abstract extends request
 				if($iframe == true){
 					header(
 					"location: " . $_SESSION['config']['businessappurl']
-				    . "index.php?page=create_folder_form_iframe&module=folder&display=false"
+				    . "index.php?page=create_folder_form_iframe&module=folder&display=false&show_iframe=false"
 					);
 				}else{
 					unset($_SESSION['m_admin']);

modules/folder/create_folder_form_iframe.php

@@ -177,6 +177,14 @@ $init = false;
                     , ft_list.options[ft_list.options.selectedIndex].value, 'folder_indexes');
             }
         </script>
+    <?php }
+    if(!empty($_GET['show_iframe']) && $_GET['show_iframe']=='false'){
+    ?>
+        <script>
+            new Effect.BlindUp(parent.document.getElementById('show_tab'));
+        </script>
     <?php
-    } ?>
+    }
+    ?>
+
 </div>