public void addBox( int lw, int lclr, int bgcolor )
	{
		LineFormat lf = (LineFormat) Chart.findRec( chartArr, LineFormat.class );
		if( lf == null )
		{
			lf = (LineFormat) LineFormat.getPrototype( 0, 0 );
			addChartRecord( lf );
		}
		if( lw != -1 )
		{
			lf.setLineWeight( lw );
			lf.setLineStyle( 0 );    // solid
		}
		else
		{
			lf.setLineStyle( 5 );    // none
		}
		if( lclr != -1 )
		{
			lf.setLineColor( lclr );
		}
		AreaFormat af = (AreaFormat) Chart.findRec( chartArr, AreaFormat.class );
		if( af == null )
		{
			af = (AreaFormat) AreaFormat.getPrototype( 1 );
			addChartRecord( af );
		}
		if( bgcolor != -1 )
		{
			af.seticvBack( bgcolor );
		}
	}