diff --git a/12/index.html b/12/index.html
index 6f5c6d3..9a6c816 100644
--- a/12/index.html
+++ b/12/index.html
@@ -265,8 +265,10 @@
   </div><!--  <div class="contributors"> -->
   <script src="player2.js"></script> 
   <script src="liveplayer.js"></script> 
-  <script src="dragable.js"></script> 
   <script>
+// using jquery-ui
+$("#shell_03").draggable({ handle: "#shell_03header" });
+$("#week_05").draggable({handle: '#week_05header'});
 
 			player(document.querySelector("#week_04"), document.querySelector("#iframe_04"));    
             player(document.querySelector("#week_03"));