--- jquerymenu.module	2009-02-17 21:51:36.000000000 +0000
+++ jquerymenu.module.new	2009-08-18 13:48:13.000000000 +0000
@@ -149,9 +149,11 @@ function jquerymenu_block($op = 'list', 
           }
           menu_set_active_menu_name($menuname);
           $trail = jqmenu_trail_creator();
-          $block['subject'] = $title;
           $menutree = menu_tree_all_data($menuname);
-          $block['content'] = theme('menu_creation_by_array', $menutree, $trail);
+          if ( !empty($menutree) ) {
+            $block['subject'] = $title;
+            $block['content'] = theme('menu_creation_by_array', $menutree, $trail);
+          }
           
         }
         $d++;
@@ -296,4 +298,4 @@ function theme_jqmenu_links($title, $pat
     $output .= l($title, $path, $options);
   }
   return $output;
-}
\ No newline at end of file
+}