Working on where after selecting a year in a drop down field and week start day(i.e. saturday)  and week end day(i.e. friday)---- a week number field(i.e. week 1) will be generated along with start date and end date.

i.e. after selecting  year=2016, week start day(saturday), week end day(friday)........a list will be created from week 1 to week 53/54 where week 1 will have start date(1-1-2016) and end date(1-1-2016)  as week starts from saturday and ends on friday and 1-1-2016. Week 2 will have start date(2-1-2016) and end date(8-1-2016)