ohk this is how i learned it.. first go to
Livemocha register they have free japanese lessons,and its pretty good.
for more grammer and japanese writing go to this site
Japanese Grammar Guide..it has all the alphabets,with pronounciation,stroke order(clicking each alpahbets opens a short animation which shows the stroke order) and more..
and this too :
YouTube - Alternatives to Rosetta Stone Japanese
Hope this helps