So, the problem is solved. Here is what I did:
I inserted
#sidebar{
display: none;
}
into the Stylesheet and that just did the trick.
Maybe you want to look here (at the end of the page)
http://www.andreasberchem.de/iumi-test/shop-2/
I have done that now. Sadly I don’t have access to a Windows PC so I won’t find out if it helped until tomorrow morning. Thanks anyway.
Impatiently
A.
