docs: function _fnGetWidestNode( oSettings, iCol )
  		{
  			var iMaxIndex = _fnGetMaxLenString( oSettings, iCol );
  			if ( iMaxIndex < 0 )
  			{
  				return null;
  			}
  		
  			if ( oSettings.aoData[iMaxIndex].nTr === null )
  			{
  				var n = document.createElement('td');
  				n.innerHTML = _fnGetCellData( oSettings, iMaxIndex, iCol, '' );
  				return n;
  			}
  			return _fnGetTdNodes(oSettings, iMaxIndex)[iCol];
  		}