how to add or subtract a week from current date?

[nirmalsingh]

hi all..!
i want to add or subtract dates from a particular date,
for eg: date1="24-04-2007"
by adding 7 i need the result like 01-05-2007, if there is any readymade function available in javascript? or how to do this?
thanks in advance.

[acoder]

See the 'Manipulate Dates' section on this page.

[nirmalsingh]

its ok but its in system date format, i am in need of format mentioned above.

[iam_clint]

just change the format make life easier on yourself.