[TYPO3-english] add a div after body containing all content in template

[Francesc Juliana]

Hello everybody:
I would like to add a div inside body that contains all content. This div 
will be used to have a diferent color from body and will be smalller than 
body. It must contain all content of page.
I need to add this div throught a template. I don't use html template .

I thought the code will be something like this:

page.bodyTagCObject.stdWrap="<div>|</div>"

but it doen't work as I expect.
Anyone knows hot to do it?

Thanks in advance.
Francesc