gistfile1.txt

diff --git a/media/js/zamboni/contributions.js b/media/js/zamboni/contributions.js
index 661e833..58d5534 100644
--- a/media/js/zamboni/contributions.js
+++ b/media/js/zamboni/contributions.js
@@ -34,10 +34,21 @@ var purchases = {
                     }
                 }
             });
+            setTimeout(purchases.lookForThanks, 1000);
             return false;
         });
         purchases.result();
     },
+    lookForThanks: function() {
+        console.log('looking for thanks');
+        if ($('a.trigger_app_install').exists()) {
+           console.log('found thanks');
+            purchases.thanks(window);
+        } else {
+            console.log('waiting');
+            setTimeout(purchases.lookForThanks, 1000);
+        }
+    },
     record: function($install, callback) {
         /* Record the install of the app. This is badly named because it
          * is not necessarily related to a purchase. */
@@ -68,9 +79,7 @@ var purchases = {
             if (top_dgFlow !== null) {
                 var thanks_url = $('#paypal-thanks').attr('href');
                 if(thanks_url) {
-                    top_opener.modalFromURL(thanks_url, {'callback': function() {
-                        purchases.thanks(top_opener);
-                    }});
+                    top_opener.modalFromURL(thanks_url);
                 }
                 top_dgFlow.closeFlow();