code: function ()
  	{
  		var i, iLen;
  
  		for ( i=0, iLen=this.s.dt.aoDrawCallback.length ; i<iLen ; i++ )
  		{
  			if ( this.s.dt.aoDrawCallback[i].sName === 'ColReorder_Pre' )
  			{
  				this.s.dt.aoDrawCallback.splice( i, 1 );
  				break;
  			}
  		}
  
  		$(this.s.dt.nTHead).find( '*' ).off( '.ColReorder' );
  
  		$.each( this.s.dt.aoColumns, function (i, column) {
  			$(column.nTh).removeAttr('data-column-index');
  		} );
  
  		this.s.dt._colReorder = null;
  		this.s = null;
  	}
docs: Clean up ColReorder memory references and event handlers
  @method  _fnDestroy
  @returns void
  @private