Log Message:
Update to 1.60, provided by Blair Sadewitz in private mail.

* JS 1.6.0 is based on the same branch (1.8.0.9) as Firefox 1.5.0.9
and includes the same stability and security fixes.

* JS 1.6.0 includes support for JavaScript 1.6 with support for
  E4X, several new Array methods, and Array and String generics.