@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		BoardVO other = (BoardVO) obj;
		if (bo_no == null) {
			if (other.bo_no != null)
				return false;
		} else if (!bo_no.equals(other.bo_no))
			return false;
		if (bo_writer == null) {
			if (other.bo_writer != null)
				return false;
		} else if (!bo_writer.equals(other.bo_writer))
			return false;
		return true;
	}