On 2005-04-26 (11:30) Bob Hanson wrote:

>OK, Phil. You are using Mac/Safari, right?
>
>Looks like we have the start of a good mystery. Please tell us your
>page so that others can check. We need a good, reproducible test.
>
>Q1: Could this be a jmol version problem? My pages (given below) are
>both using the applet version: [Jmol Version 10.00  2004/12/17
>18:55]
>
>Q2: Why me? Can this be shown for two sites NOT involving my pages?
>Who else can point us to sites using messagecallback handling?
>

hi,

I've posted a very simple test for accessing the JmolApplet.  it does away with 
almost all complexity that can cloud this issue.  you can see it here:

<http://dev.molvisions.com/debugging/jmolcalls.html>

it includes three methods:

1. getElementById
2. document.appletname
3. document.applets[]

so far, all three methods work for me in OSX: Safari 1.3, FF 1, Moz 1.7.3; also 
in IE6 (winXP).


a few oddities:

1. the messagecallback is somewhat inconsistent in its output.  that may have 
to do with the way I implemented it.  it does not seem to adversely affect the 
command stream, though.

2.  I developed this on my localhost server, and it worked without flaw.  then 
I copied it to my LAN www server and, without quitting my browser, tried it 
out.  it failed with all sorts of security exceptions.  I cleared my browser 
cache, quit and restarted, and now it works fine.


oddity 2 may point to the issue of accessing different Jmol pages, IOW 
different JmolApplets, and somehow confusing the browser or the JVM.  but it 
does not point to a problem with actually sending scripts to the JmolApplet.  
we should spawn a new thread for discussing the cross-page problems, IMO.


one final note:  method 2 above:

document.appletname

must account for the DOM of the page.  IOW, if I put my applet inside a form 
named myform, for example, instead of directly under the body tag,  my call 
would have to change to 

document.myform.appletname


the other two methods do not require this change.



regards,

tim
-- 
Timothy Driscoll
molvisions - see, grasp, learn.
<http://www.molvisions.com/>
usa:north carolina:raleigh

"As flies to wanton boys are we to the gods. They kill us for their sport." - 
William Shakespeare


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