/* Code borrowed from QuirksMode.org */

var remember = new Array();
var remember2 = new Array();
var checkIt;
var DHTML = (document.getElementById || document.all || document.layers);

function show(name,lvl,obj)
{
if (!DHTML) return;
checkUserInput();
if (remember[lvl] && remember[lvl] == name) return;
if (remember[lvl])
{
closeAll(lvl);
}
if (name)
{
var x = getObj(name);
x.visibility = 'visible';
}
remember[lvl] = name;
if (obj.parentNode) y = obj.parentNode;
else if (obj.parentElement) y = obj.parentElement;
else return;
if (y.className) return;
y.className = 'over';
if (remember2[lvl]) remember2[lvl].className = '';
remember2[lvl] = y;
}

function closeAll(lvl)
{
for (i=remember.length - 1;i>=lvl;i--)
{
if (remember[i])
{
var x = getObj(remember[i]);
x.visibility = 'hidden';
}
remember[i] = null;
if (remember2[i])
{
remember2[i].className = '';
remember2[i] = null;
}
}
}

function checkUserInput()
{
if (checkIt) clearTimeout(checkIt);
checkIt = setTimeout('closeAll(1)',3000);
}

function getObj(name)
{
  if (document.getElementById)
  {
    return document.getElementById(name).style;
  }
  else if (document.all)
  {
    return document.all[name].style;
  }
  else if (document.layers)
  {
    return document.layers[name];
  }
  else return false;
}