Q on <xsl:templates>

I am reading Michael Kays Book (XSLT Pro Ref) and learning alot!

On page 71 there is a demo stylesheet that shows how to create an HTML Table
for the books.xml on page 70.

My question is this... from what I see, it looks like the order of cell
display is determined by the data order.

I understand that if I explicitly define each cell/NODE I can determine what
order this data is to be displayed, but this defeats the nice recursion
going on here (ie: page 73).

What I am trying to do is create a method that inwhich another XML structure
can determine the display order of this books.xml.

For example, I create a <titles> block (see below) that I want to use to
determine the display order on the fly. So if I want to change this order, I
simply change this <titles> blcok and not the XSLT code.

( I added <pubdate> to the books.xml data )

I have read chatper 8:Design Patterns, but I saw nothing I could derive a
solution to fit what I am looking for.

can someone show my a few pointer, sources, urls, pages numbers on how I
might go about solving this?

Thanks

Walter


============================

This block should do 3 things:
  1) determine the NODE display order
  2) Be used as column titles in the table display
  3) Set the column width for its respective cell


<books>
 <titles>
  <header id='title'   colWidth='180'>Title</header>
  <header id='author'  colWidth='080'>Author</header>
  <header id='price'   colWidth='050'>Price</header>
  <header id='pubdate' colWidth='*'  >Published</header>
  <header id='pages'   colWidth='040'>Pages</header>
  <header id='binding' colWidth='120'>Binding</header>
 </titles>

... original data goes here...

</books>



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