[Zope] detect root folder

[Morten W. Petersen]

> <dtml-if "_.len(PARENTS) == 1">
>   We're at the root folder
> <dtml-else>
>   You can go up from here
> </dtml-if>
> 

I think the root folder has the title Zope too, so:

<dtml-if "title == 'Zope'">
	<dtml-call doo_wah_diddy>
<dtml-else>
	<dtml-call doo_wah_diddy_daaah>
</dtml-if>

-Morten (0.01$)