try to fix qr image posting

4chan_x.js

@@ -971,8 +971,8 @@
         }
       },
       messageIframe: function(e) {
-        var message;
+        var message, _ref;
-        message = $('table b').firstChild.textContent;
+        message = ((_ref = $('table font b')) != null ? _ref.firstChild.textContent : void 0) || '';
         e.source.postMessage(message, '*');
         return window.location = 'about:blank';
       },
@@ -980,7 +980,14 @@
         var data, dialog, error;
         data = e.data;
         dialog = $('#qr');
-        if (data === 'Post successful!') {
+        if (data) {
+          error = $.el('span', {
+            className: 'error',
+            textContent: data
+          });
+          $.append(dialog, error);
+          qr.autohide.unset();
+        } else {
           if (dialog) {
             if ($.config('Persistent QR')) {
               qr.refresh(dialog);
@@ -988,13 +995,6 @@
               $.remove(dialog);
             }
           }
-        } else {
-          error = $.el('span', {
-            className: 'error',
-            textContent: data
-          });
-          $.append(dialog, error);
-          qr.autohide.unset();
         }
         return recaptchaReload();
       },

script.coffee

@@ -717,25 +717,25 @@ qr =
         recaptchaReload()
 
     messageIframe: (e) ->
-      message = $('table b').firstChild.textContent
+      message = $('table font b')?.firstChild.textContent or ''
       e.source.postMessage message, '*'
       window.location = 'about:blank'
 
     messageTop: (e) ->
       {data} = e
       dialog = $ '#qr'
-      if data is 'Post successful!'
+      if data # error message
-        if dialog
-          if $.config 'Persistent QR'
-            qr.refresh dialog
-          else
-            $.remove dialog
-      else
         error = $.el 'span',
           className: 'error'
           textContent: data
         $.append dialog, error
         qr.autohide.unset()
+      else
+        if dialog
+          if $.config 'Persistent QR'
+            qr.refresh dialog
+          else
+            $.remove dialog
 
       recaptchaReload()