private CellStyle getStylNaglowka(XSSFWorkbook wb) {
		XSSFFont font = wb.createFont();
		font.setFontHeightInPoints((short)8);
		font.setFontName("Arial");
		font.setBold(true);
		CellStyle style = wb.createCellStyle();
		style.setFont(font);
		style.setWrapText(true);
		style.setAlignment(CellStyle.ALIGN_CENTER);
		style.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
		short border = CellStyle.BORDER_MEDIUM;
		style.setBorderBottom(border);
		style.setBorderLeft(border);
		style.setBorderRight(border);
		style.setBorderTop(border);
		return style;
	}