$(document).ready(function() {
 $('.asset').draggable({
    helper: 'clone'
    // connectToSortable:'#entries'
  });
 $('#entries').sortable({
   stop:updateIDs
 });
 $('#entries').droppable({
   accept : '.asset',
   drop: function(event, ui)
   {
     var dropped = ui.draggable;
     var assetID = dropped.data('id');
     alert("dropped asset id is " + ui.draggable.data('id'));  // undefined if connectToSortable defined
   }
 });
});