[horde] new icons

[Chuck Hagenbuch]

Quoting Jan Schneider <jan at horde.org>:

>> How about we just switch to pngs wholesale, now that we can make transparent
>> ones work in IE?
>
> Beside that this being a *lot* of work, I'm not sure about the performance
> hit if we apply onload events and alpha filters on *every* image in IE.

Well, I can batch the conversion. I'm not sure about the performance question,
though.

-chuck

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