[OpenLayers-Users] Does anybody know what the alphahack is andhow it can be used?

[Christopher Schmidt]

On Thu, Oct 08, 2009 at 01:18:06PM -0400, jim.meyer at concept-solutions.com wrote:
> Hi Christopher,
> 
>    So. am I correct in assuming that there is no way to have a layer in IE6
> that has shapes with any opacity?  

Correct. Though you can make the whole layer partially opaque with the 
'opacity' layer option, on the client side: use 8bit pngs, then control the
client side layer opacity. But it doesn't allow per-shape opacity differences.

Best Regards,
-- 
Christopher Schmidt
MetaCarta