Retrieving a value from a JavaScript Popup

To fire an event when the popup closes by placing the following code in the BSP view:

<bsp:htmlbEvent id = "closing_event"
              name = "closing_event"
                p1 = "closing_event" />

This event is fired when the popup is closed by using the following JavaScript:

window.opener.closing_event('POPUP');window.close( );