sValue = NumberFormat.getInstance( )
sValue = ChartUIUtil.getDefaultNumberFormatInstance( )
	private String getValueAsString( DataElement de )	{		String sValue = ""; //$NON-NLS-1$		if ( de instanceof NumberDataElement )		{			sValue = NumberFormat.getInstance( )					.format( ( (NumberDataElement) de ).getValue( ) );		}		else if ( de instanceof DateTimeDataElement )		{			Date date = new Date( ( (DateTimeDataElement) de ).getValue( ) );			SimpleDateFormat sdf = new SimpleDateFormat( "MM/dd/yyyy" ); //$NON-NLS-1$			sValue = sdf.format( date );		}		return sValue;	}