[horde] alpha transparency in IE 6.0.2600

[Jan Schneider]

Zitat von "Ernest Hymel, MD, PhD" <ehymel at e-medico.com>:

> First, thanks to everyone working on this project for a fantastic product.
>
> After update by cvs last night (previous update about one week ago) 
> I'm seeing a
> strange occurrence that looks like it's tied to IE's alpha transparency. I'm
> running horde-3.0cvs per test.php. Browser is 6.0.2600 and I can't 
> change it in
> my work environment. The problem is this:

On which platform?

> When may pages first load they look good but then all icons (that 
> look as usual)
> are quickly replaced by a blank image (blank.gif, to be exact). This is
> consistent with an onLoad function. I can follow that much but don't know how
> to fix the problem, which seems to be in the
> horde/templates/javascript/alpha_filter.js file. Per cvs.horde.org, 
> looks like
> this file has changed a few times lately.

This could only happen if the alpha filter we use to workaround IE
incapability to display PNGs with alpha transparency, is not installed on
your windows. As this filter was introduced with some DirectX version long
long ago, this should only happen on very old, very broken, or very
paranoid windows systems.

Jan.

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