Re: Bit of a fickle question...

Hi Seb,

AFAIK, there is no equivalent in Mozilla.  I was looking to do the
same thing in a recent project.  There are, of course, many
alternatives which you may or may not find helpful (you probably
already know these):

1) You could place a semi-transparent image in front of the image you
want to "grey out".  Of course, this isn't grey scale, but may achieve
a similar affect.  

2) You could use the data:image/gif or data:image/jpeg URI formats for
the images and use client-side Javascript to manipulate the images. 
Of course, IE does not support those URI formats, unfortunately, so
you'd have a code fork.

FYI, I ended up creating the greyed-out images server-side.  There are
server-side graphics rendering (GD, GD+) engines readily available for
most server OSes...

Regards,

-- John

http://e-numera.com/
http://ajax-web2.com/


--- In [email protected], "Seb Frost" <seb@r...> wrote:
>
> Is it possible to modify an image in Javascript?  I want to make
thumbnails
> greyscale in Firefox, to mimic the (very simply achieved) filter
behaviour
> in IE.
> 
> I'm sure years ago before I even got into webdev I saw websites that had
> greyscale images that became saturated when you rolled over them, but an
> extensive search on google hasn't thrown any light on the subject. 
Is the
> only answer to actually use a 2nd thumbnail that has been converted to
> greyscale beforehand?
> 
> cheers
>





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