public Connection getConexionBD(String bd) {
		System.out.println("en la clase conexionJDBC");
		String driver="";
		String connectString="";
		String user="";
		String password="";

		if(bd.equals("postgresql")){
			driver="org.postgresql.Driver";
			connectString="jdbc:postgresql://10.34.2.62:5432/GestionGarita";
			user="postgres";
			password="portalprodpostgres64";
		}
		if(bd.equals("sqlserver")){
			driver="com.microsoft.sqlserver.jdbc.SQLServerDriver";
			connectString="jdbc:sqlserver://10.34.2.83:1433;database=SincroBI;";
			user="USERSINCRO";
			password="sincrobi";
		}
		if(bd.equals("sqlserver_DWH_CPSAA")){
			driver="com.microsoft.sqlserver.jdbc.SQLServerDriver";
			connectString="jdbc:sqlserver://10.34.2.83:1433;database=DWH_CPSAA;";
			user="CPSAABI";
			password="cpsaabi";
		}

		Connection cn = null;
		try {
			Class.forName(driver);
			cn = DriverManager.getConnection(connectString, user, password);
		} catch (Exception e) {
			System.out.print("conexion incorrecta");
			System.out.println(e.getMessage());
			e.printStackTrace();
		}
		return cn;
	}