Doc: add the hyperbolic example in doc menu.
Doc: add the hyperbolic example in doc menu.

Ignore-this: a77ca1a7fd882794dc2586d7564f85b6

darcs-hash:20120124163705-da4f2-75dae89d342e0c47c26ec0ab42a5e26dd7211dc9

OCamlPro-Henry/js_of_ocaml,OCamlPro-Henry/js_of_ocaml,OCamlPro-Henry/js_of_ocaml,OCamlPro-Henry/js_of_ocaml,OCamlPro-Henry/js_of_ocaml,alainfrisch/js_of_ocaml,alainfrisch/js_of_ocaml,alainfrisch/js_of_ocaml,alainfrisch/js_of_ocaml,alainfrisch/js_of_ocaml