repaint();
	private void gotoPage(int startNum) {		// System.out.println("startAt(" + startNum + ")");		char chars[] = new char[1];		for (int i = 0; i<ROWS; i++) {			JLabel l = rowLabs[i];			// System.out.println("i=" + i + ", JLabel=" + l);			l.setText(Integer.toString(startNum+(i*COLUMNS), 16));			// l.validate();		// size may be too big now			for (int j = 0; j<COLUMNS; j++) {				chars[0] = (char)(startNum+((j*ROWS)+i));				JLabel b = buttons[i][j];				b.setText(new String(chars));			}		}		// validate();	}