private void writeImageSheet(WritableSheet sheet,byte[] imagesRooms)throws WriteException
	{
		try{
			int previousRows = sheet.getRows();
			previousRows = previousRows+2;

			InputStream in = new ByteArrayInputStream(imagesRooms);
			BufferedImage bImageFromConvert = ImageIO.read(in);


			Double dw = new Double(bImageFromConvert.getWidth());
			double dwidth = dw.doubleValue();
			Double dh = new Double(bImageFromConvert.getHeight());
			double dheight = dh.doubleValue();

			ByteArrayOutputStream baos = new ByteArrayOutputStream();
			ImageIO.write(bImageFromConvert, "PNG", baos);
			WritableImage wi = new WritableImage(1, previousRows, 1,1, imagesRooms);

			sheet.addImage(wi);

		} catch (Exception ex) {
			System.out.println("writeImageSheet Exception:"+ex.getMessage());
		}
	}