ScriptableObject.DONTENUM);
// Set up "environment" in the global scope to provide access to the
// System environment variables.
Environment.defineClass(this);
Environment environment = new Environment(this);
defineProperty("environment", environment,
ScriptableObject.DONTENUM);
history = (NativeArray) cx.newArray(this, 0);
defineProperty("history", history, ScriptableObject.DONTENUM);