Bug 212246 Browsers keep poping up when click the series with interactivity Focus-Hyperlink [13]
chart/org.eclipse.birt.chart.device.extension/src/org/eclipse/birt/chart/device/image/JavaxImageIOWriter.java
_bo.setWidth( 1 );
				_bo.setHeight( 1 );
			}
			
			_img = new BufferedImage( (int) _bo.getWidth( ),
					(int) _bo.getHeight( ),
					getImageType( ) );
		}
		super.setProperty( IDeviceRenderer.GRAPHICS_CONTEXT, _img.getGraphics( ) );
		if ( !supportsTransparency( ) )
		{
			
			_g2d.setPaint( Color.WHITE );
			_g2d.fillRect( 0, 0, _img.getWidth( null ), _img.getHeight( null ) );
		}
		
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.device.IDeviceRenderer#after()
	 */
	public void after( ) throws ChartException
	{
		super.after( );
		if ( _oOutputIdentifier != null )
		{
			
			Iterator it = null;
			String s = getFormat( );