Quelle  261826-1.xhtml   Sprache: unbekannt

<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet href="chrome://global/skin/global.css" type="text/css"?>
<window id="MyWindow"
 title=""
 xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
 width="800"
 height="600"
 onload="revealTab()">

<script type="application/x-javascript">
 function revealTab(){
  document.getElementById("fourthTab").setAttribute("hidden", "false");
  }
</script>

<tabbox>
 <tabs>
  <tab label="first"/>
  <tab label="second"/>
  <tab label="third"/>
  <tab id="fourthTab" label="fourth" hidden="true"/>
 </tabs>
 <tabpanels>
  <tabpanel>
   <label value="First page"/>
  </tabpanel>
  <tabpanel>
   <label value="second page"/>
  </tabpanel>
  <tabpanel>
   <label value="third page"/>
  </tabpanel>
  <tabpanel>
   <label value="fourth page"/>
  </tabpanel>
 </tabpanels>
</tabbox>
</window>