>yes I know, but it would fool most of the tinkerers most of the time.
Not really. At least you could use one of the many available transposition algorithms around (besides ROT13). They are not great, and they are not cryptographic but they work well in many situations.
"Once again, we come to the Holiday Season, a deeply religious time that each of us observes, in his own way, by going to the mall of his choice." -- Dave Barry