[mapserver-users] Problem with transparency overlays

[Christopher Schmidt]

On Sun, Feb 01, 2009 at 12:55:41AM +0800, Tony Frame wrote:
> If you're using IE6 you'll probably need to add 'alpha:true' as a layer 
> option to get the browser to handle transparent png images.
> 
> ie change  .... {isBaseLayer:false});
> 
> to ....  {isBaseLayer:false, alpha:true});

Due to performance problems in this mode, using this workaround is not
recommend with OpenLayers.

Regards,
-- 
Christopher Schmidt
MetaCarta