What is the best method of re-rendering a web page on orientation change?

Question

I have a fluid CSS layout which is rendering badly on an iphone when I change the orientation. (It looks fine when it is refreshed).

I am using the code below to ref

Answer 1

In my experience the best way is to have it like this

Doing it like @BenSwayne in my experience does not rescale back to the initial scale when you change the orientation. Dont know why that is