function preload(img)
{
  var a=new Image(); a.src=img; return a;
}

var remember = new Array();
var remember2 = new Array();
var checkIt;

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 = getLayerById(name);
        if (x)
        {
            x = getStyle(x);
            if (x)
            {
                x.visibility = 'visible';		                
                x.left = getPagePosition(obj, 0, 'x');
                x.top = getPagePosition(obj, 0, 'y') + getHeight(obj) + 2;
            }
        }
	}
	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 = getLayerById(remember[i]);
            if (x)
            {
                x = getStyle(x);
                x.visibility = 'hidden';
            }
		}
		remember[i] = null;
		if (remember2[i])
		{
			remember2[i].className = '';
			remember2[i] = null;
		}
	}
}

function checkUserInput()
{
	if (checkIt) clearTimeout(checkIt);
        // timeout used to be 5000 (rds)
	checkIt = setTimeout('closeAll(1)',5000);
}