else { return ( (DifferenceSeries) series ).getNegativeMarkers( ); }
return ( (DifferenceSeries) series ).getNegativeMarkers( );
	private EList getMarkers( )	{		if ( bPositive )		{			return series.getMarkers( );		}		else		{			return ( (DifferenceSeries) series ).getNegativeMarkers( );		}			}