code: function ( nTd )
  	{
  		var nTr = $(nTd).parents('tr')[0];
  		var position = this.s.dt.oInstance.fnGetPosition( nTd );
  
  		return {
  			"x":      $('td', nTr).index(nTd),
  			"y":      $('tr', nTr.parentNode).index(nTr),
  			"row":    position[0],
  			"column": position[2]
  		};
  	}
docs: Find out the coordinates of a given TD cell in a table
  @method  _fnTargetCoords
  @param   {Node} nTd
  @returns {Object} x and y properties, for the position of the cell in the tables DOM