> We just want to use an equivalent of the 'save...as' 
> function of Internet Explorer in a batch process. I mean 
> we only want to download one webpage.

Not associated graphics?httrack www.example.com/index.html "-*"

With associated graphics:
httrack www.example.com/index.html "-
*" "+*.gif" "+*.jpg" "+*.png" "+*.css" "+*.js"