Re: Bit of a fickle question...

JavaScript doesn't provide hooks for manipulating binary data. Not  
only would this be difficult to implement but it would also have the  
potential to be a huge security risk.

-= J

On Jan 16, 2006, at 10:29 AM, Seb Frost 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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