runtime: replace Date.now() -> (new Date()).getTime() ( ie 8 doesn't know Date.now() )
runtime: replace Date.now() -> (new Date()).getTime() ( ie 8 doesn't know Date.now() )

Ignore-this: d56fec4a6f400736d2f6d79bff63632e

darcs-hash:20110901135213-0cb73-acec17f818088901d48075908e4c76c71c844bb4

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