xulrunner-2.0-mozjs 2.0~b10+build1+nobinonly-0ubuntu2 (amd64 binary) in ubuntu natty

 Spidermonkey is a Javascript engine written in C, used by Gecko.
 This package provides the actual binary used by XULRunner, and
 is intended for applications that just want to embed a javascript
 engine as an alternative to depending on the entire Mozilla runtime