newbi: are the source of the presentation examples available?

[Eros Albertazzi]

I would like to start to use ConTeXt for presentations and I would like
to get acquainted with interaction styles.
I am wondering if the *.tex files that correspond to the .pdf examples I
can find in www.pragma.com site are available
Regards.   
-- 
Eros Albertazzi
CNR-IMM, Sez. Bologna 
Via P.Gobetti 101
I-40129 Bologna, Italy  
Tel: (+39)-051-639 9179
Fax: (+39)-051-639 9216