using XSL for Tree View

["Ezhil Manavalan" <mezhiil@xxxxxxxxxxx>]

Hi,
I have 2 frames in my page.
Left frame looks like
Library
  Library1
     Books
        Java
        C++
        VisualC++

  Library2
     Books
        Java
        C++
        VisualC++

  Library3
     Books
        Java
        C++
        VisualC++
When I click Library,the tree should be expanded(same as in Explorer 
view).When I select a book,say,Java from Library1,its details should be 
displayed on the right frame Like
Author:Jeeva
Title:Java RMI
Price:70$
Availability:28/10/99

I tried using DSO.But,I was not able to create a tree view.
I want to create a tree view structure using XSL.In my XML file,I've have 
the details of all the books(like 
BOOK/AUTHOR/TITLE/PRICE/AVAILABILITY/BOOK).I don't know how to use XSL for 
this...Getting the tree view structure and also for displaying the 
data/details,when a particular book is selected...
Can I use XSL Patterns?.Can anyone suggest me an idea as I'm new to this 
area and this an urgent requirement....I would be glad if anyone
suggest me an idea/way to do this.
Thanks in advance.


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