diff --git a/docs/asciidoc-git.conf b/docs/asciidoc-git.conf
index ff1ca448..3d42bca8 100644
--- a/docs/asciidoc-git.conf
+++ b/docs/asciidoc-git.conf
@@ -560,7 +560,7 @@ ifdef::linkcss[]
 <script type="text/javascript">
 # Escape as CDATA to pass validators.
 /*<![CDATA[*/
-window.onload = function()\{asciidoc.footnotes();{toc? asciidoc.toc({toclevels});}\}
+document.addEventListener("DOMContentLoaded", function()\{asciidoc.footnotes();{toc? asciidoc.toc({toclevels});}\}, false);
 /*]]>*/
 </script>
 <script type="text/javascript" src="{scriptsdir=.}/asciidoc-xhtml11.js"></script>
@@ -569,7 +569,7 @@ ifndef::linkcss[]
 <script type="text/javascript">
 # Escape as CDATA to pass validators.
 /*<![CDATA[*/
-window.onload = function()\{asciidoc.footnotes();{toc? asciidoc.toc({toclevels});}\}
+document.addEventListener("DOMContentLoaded", function()\{asciidoc.footnotes();{toc? asciidoc.toc({toclevels});}\}, false);
 include1::{scriptsdir=./javascripts}/asciidoc-xhtml11.js[]
 /*]]>*/
 </script>