code: function ( nTd )
  	{
  		var offset = $(nTd).offset();
  		var filler = this.dom.filler;
  		filler.style.top = (offset.top - (this.s.filler.height / 2)-1 + $(nTd).outerHeight())+"px";
  		filler.style.left = (offset.left - (this.s.filler.width / 2)-1 + $(nTd).outerWidth())+"px";
  	}
docs: Position the filler icon over a cell
  @method  _fnFillerPosition
  @param   {Node} nTd Cell to position filler icon over
  @returns void