Use the following javascript from the opened window while closing:

window.opener.location.reload();

>I have a classic parent-child relationship displayed in a browser window. The child records are displayed in a grid. The user can click a hyperlink on the grid, which opens a browser window and allows the user to modify or delete the record.
>
>When the browser window closes (with the child record), how can I refresh the original browser window so that the changed data will be displayed?