> But I haven't this problem with WINHttrack. In fact, when 
I 
> click on the link (local pages), the browser searchs an 
asp 
> file and says me it doesn't exist (because the file has 
an 
> HTML extension when HTTrack saved it). I have this 
problem 
> with all sites I mirrored.

This is exactly what I said: there must be some 
javascripting behind, which dynamically links to asp pages 
when clicking. Such scripts are very hard to handle (string 
expressions, functions..)