Nebbett shows a way for that in his
book:
http://search.barnesandnoble.com/booksearch/isbnInquiry.asp?isbn=1578701996&itm=5
Here is the download link:
http://www.newriders.com/content/images/1578701996/downloads/1578701996.zip
Oliver
PS: Sorry to those who receive my “double post”.