diff --git a/12/dragable.js b/12/dragable.js
index 1a1f201..b0a8509 100644
--- a/12/dragable.js
+++ b/12/dragable.js
@@ -55,9 +55,12 @@ function makeDragable(dragHandle, dragTarget) {
   };
 }
 
-makeDragable('#shell_03header', '#shell_03');
+// makeDragable('#shell_03header', '#shell_03');
 makeDragable('#week_05header', '#week_05');
 
+// using jquery-ui
+$( "#shell_03header" ).draggable({ handle: "#shell_03" });
+