transfer routines

hi

un knowingly i have deleted the tranfer routines which were written by someone else and i dont know the logic to write them back . is there any way to retrive them back . it would be very very helpful . if someone knows how to retive them back .

2. how to create a currency translation . the user want to covert the currency in reports . ex i have krw in reports and user want to see the value in usd . is there any way .

thankyou all in advance.