Tested_Java_Release : 1.6.0-internal-b99/1.6.0-beta-b01
Tested_bundles_Location :
PIT bundles : /net/sqesvr-nfs/global/nfs/test_run/pit_builds
nightly builds: /net/koori/onestop/jdk/1.6.0/nightly/bundles
Tested_Machine_Name : moremoney/nicole1
Tested O/S : winxp/solaris10
Effected browsers : Mozilla/NS7

Problem description:
Unix :
Mimetypes jpi-version and version is not defined for 1.6 as far as mozilla/NS7 browsers are concerned. As a result applets which have version=1.6 and jpi-version=1.6 is not running at all on unix platforms.

Windows :
 On windows for mozilla based browsers mimetype version=1.6 is missing ,as a result applets with version=1.6 is not running at all

Steps to reproduce:
1) Install jre1.6.0 bundles from the location mentioned above
2) On unix :
  a) register MZ/NS7 browser with the jre
  b) Try loading the followng applets
http://sqeweb.sfbay.sun.com/deployment2/jitu/mustang_ws/deployment/tests/BATTestsuite/pluginhtml-default/Default.html

http://sqeweb.sfbay.sun.com/deployment2/jitu/mustang_ws/deployment/tests/BATTestsuite/pluginhtml-default/MimeType_160.html

if you got a popup requesting to get plug-in then the bug is reproduced

3) windows :
a) try loading the following applet http://sqeweb.sfbay.sun.com/deployment2/jitu/mustang_ws/deployment/tests/BATTestsuite/pluginhtml-default/Default.html
Applet shold work fine
b) Try loading th applet below
http://sqeweb.sfbay.sun.com/deployment2/jitu/mustang_ws/deployment/tests/BATTestsuite/pluginhtml-default/MimeType_160.html

if you got a message to get plug-in then the bug is reproduced