public ResultSet sqlQuery(String sql) {
		Statement stat = null;
		try {
			stat = (Statement) conn.createStatement();
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

		ResultSet rs = null;
		try {
			rs = stat.executeQuery(sql);
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return rs;
	}