Jmol prerelease 10.00.37 is now available from

  http://www.jmol.org/files

This prerelease only contains modifications and enhancements to the
Jmol.js JavaScript library.

Please test Jmol.js and be on the lookout for problems.

Detail
------

The changes in this prerelease relate exclusively to the html tags that
are generated under jmolApplet() to insert applets into the page.

<object> tags are now generated instead of <applet> tags for browsers that
are HTML 4 compliant
  IE 5.5 and greater on Windows
  Safari 2.0 and greater on Mac OS X
  Opera 8 on Windows
  Mozilla/Firefox/Netscape on Windows and Linux/Unix.

I believe that the code that is generated is now fully HTML-4-compliant.
If someone else wanted to double-check this then that would be great.

Other browsers continue to use the <applet> tag.

Regarding treatment of systems that do not have Java installed ...

Windows systems that do not have Java installed now behave *much* better.

For IE 5.5 and greater, Jmol.js generates html code that will cause the
browser to automatically prompt the user if the Sun Java Plug-in is not
installed. After confirmation from the user the system will automatically
install the Sun Java 1.5.0_5 Runtime Environment from the Sun web servers.
The mechanism is completely automatic and worked well in my testing.

The current Mozilla browsers on Windows do a good job of notifying the
user when Java is not installed. They automatically prompt the user to
install the Sun Java Runtime Environment.

On all browsers, users who do not have Java installed/enabled (or who
choose not to automatically install Java) now receive a much better error
message to notify them of the problem. The space where the applet should
have appeared now contains text and a link to www.java.com


Overall, this is a relatively significant change in the way that the html
code is generated. I did quite a bit of testing ... but I may well have
missed something.

Therefore, be on the lookout for potential problems ... and do not
hesitate to raise a flag if you encounter suspicious behavior.


Miguel



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