Index: branches/RC/core/admin_templates/js/script.js
===================================================================
diff -u -r9639 -r9658
--- branches/RC/core/admin_templates/js/script.js	(.../script.js)	(revision 9639)
+++ branches/RC/core/admin_templates/js/script.js	(.../script.js)	(revision 9658)
@@ -1448,4 +1448,18 @@
 	if (el.fireEvent) {
 		el.fireEvent('onchange');
 	}
+}
+function WatchClosing(win, url)
+{
+	window.setTimeout(function() {
+			if (win.closed) {
+				alert('It has been closed ('+url+')');
+				var req = Request.getRequest();
+				var $ajax_mark = (url.indexOf('?') ? '&' : '?') + 'ajax=yes';
+				req.open('GET', url + $ajax_mark, false); //!!!SYNCRONIOUS!!! REQUEST (3rd param = false!!!)
+				req.send(null);
+			}
+		},
+		2000
+	)
 }
\ No newline at end of file