JDK 1.6.0-beta2-b82, Snv b38, both sparc and x86

steps:

1. Start Mozilla or Firefox
2. load the url: http://quarterfinal.prc/liveconnect/java2javascript/JSExceptionTest/src/exception.html

by jdk1.5.0_06 the result is:
a dialog pops up with the exception: java.lang.ArrayIndexOutOfBoundsException

by jdk 1.6.0-beta2-b82 the result is:
no exception can be seen