> Unfortunately I've to come up with another issue: 
> On my page /products/index.jsp is a JavaScript function 
> with the following statement 'var imageExtension 
> = '.jpg';'. HTTrack tries to download /products/.jpg

Problem fixed for the next release.

(patch below:)

--- htsparse.c.orig     Fri Nov 29 20:05:09 2002
+++ htsparse.c  Fri Nov 29 20:05:13 2002
@@ -894,6 +894,8 @@
                                 || strchr(tempo,'<')
                                 || strchr(tempo,'>'))
                                 invalid_url=1;
+                              else if (tempo[0] 
== '.')   // ".gif"
+                                invalid_url=1;

                               /* non invalide? */
                               if (!invalid_url) {