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)',5000);
}

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;
}