gistfile1.js

$(function(){
// ----------------------------------------------------------------------------------------------
  // set up drag and drop reordering using jquery-ui sortable function
  // ----------------------------------------------------------------------------------------------
  $("#sortable").sortable(
    {
      axis:'y', 
      containment:'#list-items-container',
      handle:'.drag-handle'
    }
  );
    
  $("#sortable").disableSelection();
});