> > can anyone tell me if it is possible and if so then how to download this
page: <http://www.laits.utexas.edu/tex/gr/pro9.html> recursively with the links
to and the content of the sound files (those speaker icons) using httrack?> 
> 
> No, the javascript is too complex for HTTrack.

As in, the program can not parse the links on those speaker icons and will be
unable to find where the sound files are to download.