getting date using week number and year

hi!

how can i get the date for a given year using a given week number?

assuming that the first day will be sunday?

for example..

the input year is 2006,

then the week number is 30

the result should be july 23 2006...

please help.. Thanks!

[289 byte] By [mhynea] at [2007-11-27 11:23:08]