Angel,

In Chrome preferences, there is a checkbox option under downloads:

"Ask where to save each file before downloading"

If this option is checked, you will be able to name a download file before 
saving.

Otis
--
Otis Rothenberger
[email protected]
http://chemagic.com




On May 27, 2014, at 4:29 PM, Angel Herráez <[email protected]> wrote:

> Dear Jmolers,
> 
> I have a webpage using JSmol that has a user option to save the model 
> either as a MOLfile or an image.
> I am using
>  write coord "?myfilename.mol";
>  write image pngt 2 "?myfilename.png";
>  write image jpg 75 "?myfilename.jpg";
> 
> In Firefox, a dialog is opened by the browser, with the suggested filename 
> and extension that may be accepted or changed. Then the browser asks 
> Save or Open and the destination folder (if configured to do so, otherwise 
> downloads to the default folder). The filename is preserved.
> 
> In Chrome (either from server or with the "allow access to local files" on), 
> the 
> same happens but in the final stage Chrome discards the filename and uses 
> "download.txt", "download.png" or "download" w/o extension if it's a JPG
> 
> Any hints as to how to avoid this?
> I've tested changing the file extension (as I am always specifying the format 
> in Jmolscript) without any effect.
> 
> JSmol is 14.1.16, from 23 May
> 
> 
> 
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