[horde] Sidebar hammering server

[Chuck Hagenbuch]

Quoting Chris Hastie <lists at oak-wood.co.uk>:

> A machine I use at work seems to refuse to cache any icons from the sidebar.

Yeah, it's an issue with IE and images referenced from Javascript. I simply
haven't had time to track down an image caching solution for it. Patches/help
welcomed.

-chuck

-- 
"But she goes not abroad in search of monsters to destroy." - John 
Quincy Adams