Convert amount in Amount in words according to currency.

There is a requiremnt from client that the totl amount should be converted into amount into words automatically in according to different countries currency

for ex:

1. If it is in INR it should print : three lakh forty two thousand  Rupees twenty nine paise

2. If it is in USD  it should print : three lakh forty two thousand Dollars twenty nine Cents

and so on for different currency ,so please tell me the function module for it or any other way.