From the early days of Jmol, I remember having to install the embeddingPlugins 
into firefox because it did not play well with Jmol and apparently other 
applets.   I thought the issue was taken care of, but instead Mozilla moved to 
embedding the embeddingPlugins in the firefox distribution.  OS 10.6 broke the 
plugin.

Firefox 4.0b works for things that previously did not work, even though it does 
not have the embedding plugin installed.  I am not sure if Mozilla decided to 
address the issue, after all these years, or if they have not got around yet to 
doing whatever they did in the past to break the compatibility with the Mac OS. 
   It may be down the road that they will incorporate the plugins and break it 
all over.   I am keeping track of each beta release to see what happens.

Phil

On Aug 16, 2010, at 5:47 PM, Michael Evans wrote:

> Sweet! Wonder what's different about 4.0?
> 
> On Mon, Aug 16, 2010 at 4:37 PM, Alexander Rose <alexander.r...@weirdbyte.de> 
> wrote:
> Hi,
> 
> Am 16.08.2010 um 17:48 schrieb Philip Bays:
> 
> > This seems to be another example of Mac Firefox (and I suspect Camino and 
> > SeaMonkey) behaving differently.  I would be interested in the results of 
> > the following three experiments:
> >
> > 1. What happens if you use the signed rather than the unsigned applet?
> >
> 
> still slow: http://weirdbyte.de/jmol-test/html/slow_callbacks_signed.html
> 
> > 2. What happens if you remove the javaembedding plugin files 
> > (Firefox>contents>MacOS>Plugins)?  There are two: JavaEmbeddingPlugin and 
> > MRJplugin.  Don't throw them away, since once removed manipulating the 
> > structure in the applet will be disabled.   But does it affect the callback 
> > speed.
> >
> 
> both removed: fast, but callbacks seem to be ignored, no messages
> JavaEmbeddingPlugin removed: Error _jmolSetCodebase is not defined
> MRJplugin removed: 1st load opens a program called Java Applet Host, fast, 
> but callbacks seem to be ignored, 2nd & subsequent loads (with Java Applet 
> Host program open), fast callbacks with messages
> 
> 
> > 3. What happens if you use Firefox 4.0b3 to open the page?
> >
> 
> first, there is a warning the browser would not be fully compatible with 
> jmol, but nevermind, because...
> ... the slow callbacks are gone :-)
> 
> Alex
> 
> >
> > Phil Bays
> >
> >
> >
> > On Aug 16, 2010, at 9:50 AM, Alexander Rose wrote:
> >
> >> Hi,
> >>
> >> does someone else experience painfully slow callbacks in firefox on mac 
> >> osx?
> >>
> >> http://weirdbyte.de/jmol-test/html/slow_callbacks.html
> >>
> >> I did some measurements. The numbers do very, but there is always a huge 
> >> difference between callbacks registered and not.
> >>
> >> Best
> >> Alexander
> >>
> >>
> >> The numbers:
> >>
> >> * Firefox 2.6.8 on Mac OSX 10.6.4:
> >>
> >> === NO CALLBACKS REGISTERED ===
> >> START load pdb: 3:10:09.660
> >> END load pdb: 3:10:10.155
> >> DURATION [495 ms]load pdb
> >> START load append pdb: 3:10:10.158
> >> END load append pdb: 3:10:10.510
> >> DURATION [352 ms]load append pdb
> >>
> >> === CALLBACKS REGISTERED ===
> >> START load pdb: 3:10:10.652
> >> jmol_anim_frame_callback: jmolApplet0 
> >> http://weirdbyte.de/jmol-test/data/1u19.pdb 1u19.pdb 1U19 null 3 1.1
> >> jmol_load_struct_callback: 3:10:19.638
> >> jmol_anim_frame_callback: jmolApplet0 0 1 1 1000001 1000001 0 1 1
> >> jmol_anim_frame_callback: 3:10:19.705
> >> jmol_anim_frame_callback: jmolApplet0 0 0 0 0 0 0 1 1
> >> jmol_anim_frame_callback: 3:10:19.763
> >> jmol_anim_frame_callback: jmolApplet0 0 1 1 1000001 2000001 0 1 1
> >> jmol_anim_frame_callback: 3:10:19.821
> >> END load pdb: 3:10:19.857
> >> DURATION [9205 ms]load pdb
> >> START load append pdb: 3:10:19.862
> >> jmol_anim_frame_callback: jmolApplet0 1 2 1 1000001 2000001 0 1 1
> >> jmol_anim_frame_callback: 3:10:24.416
> >> jmol_anim_frame_callback: jmolApplet0 
> >> http://weirdbyte.de/jmol-test/data/1u19.pdb 1u19.pdb 1U19 (modified) null 
> >> 3 1.1
> >> jmol_load_struct_callback: 3:10:24.420
> >> END load append pdb: 3:10:24.423
> >> DURATION [4561 ms]load append pdb
> >>
> >>
> >>
> >> * Safari 5.0.1 on Mac OSX 10.6.4:
> >>
> >> === NO CALLBACKS REGISTERED ===
> >> START load pdb:  3:45:35.845
> >> END load pdb:  3:45:36.496
> >> DURATION [651 ms]load pdb
> >> START load append pdb:  3:45:36.497
> >> END load append pdb:  3:45:36.734
> >> DURATION [237 ms]load append pdb
> >>
> >> === CALLBACKS REGISTERED ===
> >> START load pdb:  3:45:36.782
> >> jmol_anim_frame_callback:  jmolApplet0 0 1 1 1000001 2000001 0 1 1
> >> jmol_anim_frame_callback:  3:45:36.801
> >> jmol_anim_frame_callback:  jmolApplet0 0 0 0 0 0 0 1 1
> >> jmol_anim_frame_callback:  3:45:36.935
> >> jmol_anim_frame_callback:  jmolApplet0 0 1 1 1000001 1000001 0 1 1
> >> jmol_anim_frame_callback:  3:45:36.989
> >> jmol_anim_frame_callback:  jmolApplet0 
> >> http://weirdbyte.de/jmol-test/data/1u19.pdb 1u19.pdb 1U19 3 1.1 1.1
> >> jmol_load_struct_callback:  3:45:37.000
> >> END load pdb:  3:45:37.161
> >> DURATION [379 ms]load pdb
> >> START load append pdb:  3:45:37.161
> >> jmol_anim_frame_callback:  jmolApplet0 
> >> http://weirdbyte.de/jmol-test/data/1u19.pdb 1u19.pdb 1U19 (modified) 3 1.1 
> >> 2.1
> >> jmol_load_struct_callback:  3:45:37.230
> >> jmol_anim_frame_callback:  jmolApplet0 1 2 1 1000001 2000001 0 1 1
> >> jmol_anim_frame_callback:  3:45:37.360
> >> END load append pdb:  3:45:37.408
> >> DURATION [247 ms]load append pdb
> >> jmol_anim_frame_callback:  jmolApplet0 0 1 1 1000001 2000001 0 1 1
> >> jmol_anim_frame_callback:  3:45:37.430
> >> jmol_anim_frame_callback:  jmolApplet0 -1 0 0 1000001 2000001 0 1 1
> >> jmol_anim_frame_callback:  3:45:37.437
> >>
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> >
> > J. Philip Bays
> > Professor of Chemistry
> > Department of Chemistry and Physics
> > Saint Mary's College
> > Notre Dame, IN 46556
> > (574) 284-4663
> > pb...@saintmarys.edu
> >
> >
> >
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> 
> -- 
> Mike Evans
> Organic Chemistry Graduate Student
> Moore Group
> University of Illinois, Urbana-Champaign
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J. Philip Bays
Professor of Chemistry
Department of Chemistry and Physics
Saint Mary's College
Notre Dame, IN 46556
(574) 284-4663
pb...@saintmarys.edu



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