<!-- $Id: summary.txt,v 5.3 2006-08-22 10:07:03 ddr Exp $ -->
<!-- This code has been borrowed from Wikipedia -->
<script type="text/javascript">
<!--
function showTocToggle() {
  show="[visualize/show/hide/summary]1";
  hide="[visualize/show/hide/summary]2";
  if (document.getElementById) {
    show_disp=' style="display:none;"';
    hide_disp='';
    document.writeln('<span class="toctoggle">' +
    '(<a href="javascript:toggleToc()" class="internal">' +
    '<span id="showlink"' + show_disp + '>' + show + '</span>' +
    '<span id="hidelink"' + hide_disp + '>' + hide + '</span>'
    + '</a>)</span>');
  }
}
function setTocToggle() {
  var cookiePos = document.cookie.indexOf("hidetoc=");
  if (cookiePos > -1 && document.cookie.charAt(cookiePos + 8) == 1)
    toggleToc();
}
function toggleToc() {
  var toc = document.getElementById('tocinside');
  var showlink = document.getElementById('showlink');
  var hidelink = document.getElementById('hidelink');
  if (toc.style.display == 'none') {
    toc.style.display = tocWas;
    hidelink.style.display='';
    showlink.style.display='none';
    document.cookie = "hidetoc=0";
  }
  else {
    tocWas = toc.style.display;
    toc.style.display = 'none';
    hidelink.style.display='none';
    showlink.style.display='';
    document.cookie = "hidetoc=1";
  }
}
-->
</script>
