Fix a bug where typing "?" as the page loaded would cause a JS error.

1 files changed, 2 insertions, 2 deletions

diff --git a/vimiumFrontend.js b/vimiumFrontend.js
index 0fe5abb6..c85be722 100644
--- a/vimiumFrontend.js
+++ b/vimiumFrontend.js
@@ -440,8 +440,8 @@ function exitFindMode() {
 }
 
 function showHelpDialog(html) {
-  if (isShowingHelpDialog)
-    return false;
+  if (isShowingHelpDialog || !document.body)
+    return;
   isShowingHelpDialog = true;
   var container = document.createElement("div");
   container.id = "vimiumHelpDialogContainer";