What good could Javascript cryptographic functions do you?  Don't download
this.  Just ... pretend you didn't see this.

BUILDING:

Pick and choose the files you want.  If you want PBKDF2 and Tiger, just run
    ./build.py pbkdf2 tiger > out.js
Dependencies are all handled and the order is corrected.  To include all,
write:
    ./build.py all > out.js
Dependency information is recorded in build.py itself.