- Fix js errors when using Roundcube inside an iframe (#1486862)

skins/default/functions.js

@@ -426,7 +426,7 @@ function rcube_init_mail_ui()
   rcube_event.add_listener({ object:rcmail_ui, method:'body_keypress', event:'keypress' });
 
   $('iframe').load(iframe_events)
-    .contents().mouseup(function(e){parent.rcmail_ui.body_mouseup(e)});
+    .contents().mouseup(function(e){rcmail_ui.body_mouseup(e)});
 
   if (rcmail.env.task == 'mail') {
     rcmail.addEventListener('menu-open', 'open_listmenu', rcmail_ui);
@@ -445,6 +445,6 @@ function iframe_events()
 {
   // this==iframe
   var doc = this.contentDocument ? this.contentDocument : this.contentWindow ? this.contentWindow.document : null;
-  parent.rcube_event.add_listener({ element: doc, object:rcmail_ui, method:'body_mouseup', event:'mouseup' });
+  rcube_event.add_listener({ element: doc, object:rcmail_ui, method:'body_mouseup', event:'mouseup' });
 }