var remember = new Array();
var remember2 = new Array();
var checkIt = 0;
var DHTML; 
function show(name,lvl,obj)
{
	DHTML = (document.getElementById || document.all || document.layers);
	if (!DHTML) return;
	if (checkIt) clearTimeout(checkIt);
//	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 (obj.tagName == 'A')
	{
		if (y.className) return;
		y.className = 'over';
	}
	if (remember2[lvl]) remember2[lvl].className = '';
	if (obj.tagName == 'A') remember2[lvl] = y;
} 
function closeAll(lvl)
{
	for (i=remember.length - 1;i>=lvl;i--)
	{
		if (remember[i]) //IE4 Mac
		{
			var x = getObj(remember[i]);
			x.visibility = 'hidden';
		}
		remember[i] = null;
		if (remember2[i])
		{
			remember2[i].className = '';
			remember2[i] = null;
		}
	} 
} 
function halt()
{
	checkIt = setTimeout('closeAll(1)',500);
} 
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;
} 
function toggleVis(id,type)
{
	if(type == null) type = 'block'; 
	el = parent.document.getElementById(id);
	if (el.style.display == 'none')
	{
		el.style.display = type; 
	}
	else
	{
		el.style.display = 'none'; 
	}
} 
function up()
{
	document.order.quantity.value++;
	return true;
} 
function down()
{
	document.order.quantity.value--;
	return true;
} 
var lastID = 0; 
function selectImg(id)
{
	if (lastID > 0)
	{
		document.getElementById(lastID).className = "thumbNormal";
	}
	document.getElementById(id).className = "thumbSelected";
	document.getElementById(0).src = document.getElementById(id).src;
	lastID = id;
} 
function selectBut(id)
{
	if (lastID > 0)
	{
		document.getElementById(lastID).className = "butNormal";
	}
	document.getElementById(id).className = "butSelected";
	lastID = id;
} 
function loadTrigger()
{
	selectImg(1);
} 
function showAnswer(n)
{
	hideAnswer();
	document.getElementById('answer' + n).style.display = "block";
} 
function hideAnswer()
{
	var collDivs = document.getElementsByTagName("div")
	for (var i = 0; i < collDivs.length; i++)
	{
		if (collDivs[i].className == "answer")
		{
			collDivs[i].style.display = "none"
		}
	}
}