how to passing values from popup to parent window and refresh it?

Hi all, I use link to open a popup, in this popup i have a list of cars with radio button. So if the user choose a car, i want to do: 1-get the idcar and affect it to ActionForm. 2-close the popup. 3- refresh the parent window and show the car selected(if possible the id car must be in a hidden).

how to passing values from popup to parent window and refresh it?

Hi all, I use link to open a popup, in this popup i have a list of cars with radio button. So if the user choose a car, i want to do: 1-get the idcar and affect it to ActionForm. 2-close the popup. 3- refresh the parent window and show the car selected(if possible the id car must be in a hidden).