> I'm trying to download sites, which contain MathML.
> <http://www.vs>-
c.de/vsengine/vlu/vsc/de/ch/aduc/pc_mathe_nmr/dozententagung
> .vlu/Page/vsc/de/ma/1/mc/ma_07/ma_07_01/ma_07_01_01.vscml.
ht
> ml
> 
> The problem is, that HTTrack changes the source 
completely, 
> so that MathML can't be used offline:
> It sets a link to a gif which does not exists.
> <img class='mathml' src=http://www.vs-
> c.de/vsengine/mathml/272472e33da99da3.gif'>

I could not find any reference of 272472e33da99da3.gif in 
the page mentionned - can you give the exact URL?The first page seems okay
AFAIS