public int executeInsertQuery(String sql) {
		if (stmt != null) {
			try {
				stmt.close();
			} catch (SQLException e) {
				e.printStackTrace();
				return 0;
			}
		}
		try {
			stmt = conn.createStatement();
		} catch (SQLException e) {
			e.printStackTrace();
			return 0;
		} // Statement
		try {
			return stmt.executeUpdate(sql);
		} catch (SQLException e) {
			// пظ´

			// e.printStackTrace();
			return 0;
		}
	}