3 <?xml-stylesheet href=
"chrome://global/skin/" type=
"text/css"?>
5 <window xmlns=
"http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
8 <script type=
"text/javascript">
12 var c = document.getElementById(
"c");
13 var n = document.createElementNS(
"http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
"listitem");
15 c.parentNode.insertBefore(n, c);
20 <listbox id=
"listbox">
21 <listitem id=
"a">a
</listitem>
22 <listitem id=
"c">c
</listitem>