Highlight default submit button

adminer/include/adminer.inc.php

@@ -78,7 +78,7 @@ class Adminer {
 </table>
 <script type="text/javascript">
 var username = document.getElementById('username');
-username.focus();
+focus(username);
 username.form['auth[driver]'].onchange();
 </script>
 <?php

adminer/include/design.inc.php

@@ -98,5 +98,6 @@ function page_footer($missing = "") {
 <div id="menu">
 <?php $adminer->navigation($missing); ?>
 </div>
+<script type="text/javascript">setupSubmitHighlight(document);</script>
 <?php
 }