Since the problem seems to be (at least partially) device-dependent, it might also be browser dependent. (So try another browser).
BTW: I uploaded a new album of cat pics last night, together with another album containing a few pics of the lovely, but rather odd, cat ('Silber', as I called him) that spent a few months sharing his time between my house and that of a neighbour earlier this year (before disappearing altogether):
http://ukcatlover.rajce.idnes.cz/
Best wishes to you and your feline friends.