private void performHighlight( ColorDefinition cd, boolean highlighted )
private boolean performHighlight( Series se, boolean highlighted )
	private void performHighlight( ColorDefinition cd, boolean highlighted )	{		if ( cd != null )		{			if ( highlighted )			{				cd.setRed( ( cd.getRed( ) + 255 ) / 2 );				cd.setGreen( ( cd.getGreen( ) + 255 ) / 2 );				cd.setBlue( ( cd.getBlue( ) + 255 ) / 2 );			}			else			{				cd.setRed( Math.max( 0, cd.getRed( ) * 2 - 255 ) );				cd.setGreen( Math.max( 0, cd.getGreen( ) * 2 - 255 ) );				cd.setBlue( Math.max( 0, cd.getBlue( ) * 2 - 255 ) );			}		}	}