Resetting TOCs in a book by article

Hello,

I have the 
following format:

<book>

<article 
lang="en"/>

<article 
lang="fr"/>

<article 
lang="de"/>

<article 
lang="hr"/>

</book>

 

How can I get a 
generated TOC for each article to use the corret page numbers?  Currently 
the first TOC generated is used for all articles.  

Any 
suggestions?

David 
White