Strange problem with iceweasel, google, and nytimes

[Paul E Condon <pecondon@mesanetworks.net>]

I use iceweasel for web browsing.  A few weeks ago I noticed that I
could no longer scroll up and down in nytimes web pages using the up
and down arrow keys. I tried lots of things, and finally found a
correlation:

The problem starts after I visit www.google.com . (For a long time, it
_always_ happened because I had Google and my home page) After I visit
that site, if I go to www.nytimes.com arrow key scrolling doesn't work
in that window, but still works in other windows that I had open, and
in new windows that I open. I can clear the problem by visiting

flagship.vanguard.com/VGApp/hnw/HomepageOverview ,

clicking on the window and pressing an up or down arrow key, and then
going back to www.nytimes.com.

So I have a 'solution/work-around', but it is time consuming.  What
could Google be doing that messes up scrolling? What is vanguard doing
that clears the condition? If I knew maybe I maybe could write a local
web page that would quickly clear it. Or maybe get nytimes to include
whatever vanguard is doing in the nytimes page. 

Any suggestions?
-- 
Paul E Condon           
pecondon@mesanetworks.net