Thanks for the support folks.
The sign above means don't get in the toilet if you are small.
Seriously though, it refers to the fact that finding a normal UK style toilet is hard to find, the damn french got there before us!
A special thanks to RustyTins, damn the day i encouraged him to buy a decent digital camera. For reference there is no dodgy sex trade in Laos and is very different to neighbouring Vietnam and Thailand. Not a bad place for a family holiday if you don't mind seeing insects and reptiles on the menu. Oh and there are no driving laws as far as we could make out.
Al.