function expand(ID)
  {
    document.getElementById('item'+ID).style.display = 'block';
    document.getElementById('expander'+ID).innerHTML =
'<a href="javascript:collapse('+ID+')" title="Collapse"><img src="http://www.thew3bindex.com/images/arrowup.png" border="0" alt="arrowup">  </a>';
  }
  function collapse(ID)
  {
    document.getElementById('item'+ID).style.display = 'none';
    document.getElementById('expander'+ID).innerHTML =
'<a href="javascript:expand('+ID+')" title="Expand"> <img src="http://www.thew3bindex.com/images/arrowdown.png" border="0" alt="arrowdown">  </a>';
  }