ASP.NET

var xcNode = [];<br />
<br />
function xcSet(m, c) {<br />
if (document.getElementById && document.createElement) {<br />
  m = document.getElementById(m).getElementsByTagName('ul');<br />
  var d, p, x, h, i, j;<br />
  for (i = 0; i < m.length; i++) {<br />
    if (d = m[i].getAttribute('id')) {<br />
      xcCtrl(d, c, 'x', '[+]', 'Show', m[i].getAttribute('title')+' (expand menu)');<br />
      x = xcCtrl(d, c, 'c', '[-]', 'Hide', m[i].getAttribute('title')+' (collapse menu)');<br />
<br />
      p = m[i].parentNode;<br />
      if (h = !p.className) {<br />
        j = 2;<br />
        while ((h = !(d == arguments[j])) && (j++ < arguments.length));<br />
        if (h) {<br />
          m[i].style.display = 'none';<br />
          x = xcNode[d+'x'];<br />
				}<br />
			}<br />
<br />
      p.className = c;<br />
      p.insertBefore(x, p.firstChild);<br />
		}<br />
	}<br />
}}<br />
<br />
<br />
function xcShow(m) {<br />
	xcXC(m, 'block', m+'c', m+'x');<br />
}<br />
<br />
<br />
function xcHide(m) {<br />
	xcXC(m, 'none', m+'x', m+'c');<br />
}<br />
<br />
<br />
function xcXC(e, d, s, h) {<br />
  e = document.getElementById(e);<br />
  e.style.display = d;<br />
  e.parentNode.replaceChild(xcNode[s], xcNode[h]);<br />
  xcNode[s].firstChild.focus();<br />
}<br />
<br />
<br />
function xcCtrl(m, c, s, v, f, t) {<br />
  var a = document.createElement('a');<br />
  a.setAttribute('href', 'javascript:xc'+f+'(\''+m+'\');');<br />
  a.setAttribute('title', t);<br />
  a.appendChild(document.createTextNode(v));<br />
<br />
  var d = document.createElement('div');<br />
  d.className = c+s;<br />
  d.appendChild(a);<br />
<br />
  return xcNode[m+s] = d;<br />
}<br />