code: function (e)
  	{
  		var filler = this.dom.filler;
  
  		/* Don't display automatically when dragging */
  		if ( this.s.drag.dragging)
  		{
  			return;
  		}
  
  		/* Check that we are allowed to AutoFill this column or not */
  		var nTd = (e.target.nodeName.toLowerCase() == 'td') ? e.target : $(e.target).parents('td')[0];
  		var iX = this._fnTargetCoords(nTd).column;
  		if ( !this.s.columns[iX].enable )
  		{
  			filler.style.display = "none";
  			return;
  		}
  
  		if (e.type == 'mouseover')
  		{
  			this.dom.currentTarget = nTd;
  			this._fnFillerPosition( nTd );
  
  			filler.style.display = "block";
  		}
  		else if ( !e.relatedTarget || !e.relatedTarget.className.match(/AutoFill/) )
  		{
  			filler.style.display = "none";
  		}
  	}
docs: Display the drag handle on mouse over cell
  @method  _fnFillerDisplay
  @param   {Object} e Event object
  @returns void