make confirmPopup() to be able to fetch req object from event.data

js/interface_common.js

@@ -144,9 +144,13 @@ function resumeModal(event) {
 }
 
 function confirmPopup(event, req) {
-    if (event && event.stopPropagation)
+    if (event && event.stopPropagation) {
         event.stopPropagation();
 
+        if (!req && event.data)
+            req = event.data;
+    }
+
     var modal = openModal({
         classBase: '.prompt-wrapper',
         classAdd: 'confirm-popup',