[Koha] Check in check out fields losing focus

[Marty]

Koha 3.15.00.029 on Debian Wheezy

When checking out items I have to click every time in the check out box, because the focus disappears. This is most irritating. The same happens when I check in items, and it slows me down considerably. The librarians have not killed me yet, but they start looking like they want to.

I tried to upgrade to 3.16.00 which runs perfectly fine on my laptop hoping that would solve the problem (I could be wrong of course), but I have missing perl modules I cannot install.

I am missing:

Data::Pagination
HTTPD::Bench::ApacheBench
Archive::Extract
Test::WWW::Mechanize

They all stop at cannot test without successful make.

I did some googling and found a post that advised to install libchi-driver-memcached-perl, but that does not work either;

The following packages have unmet dependencies:
 libchi-driver-memcached-perl : Depends: libchi-perl but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

So, now I need some help. Especially to automatically return focus to check in / check out boxes

Thanks,

Marty