var menuTracker = Array();
var trackDepth = 0;
var timers;

var selections = new Image();
var select_lower_prim = new Image();
var select_upper_prim = new Image();
var select_lower_high = new Image();
var select_upper_high = new Image();

selections.src = '/img/site/level/selections.jpg';
select_lower_prim.src = '/img/site/level/select_lower_prim.jpg';
select_upper_prim.src = '/img/site/level/select_upper_prim.jpg';
select_lower_high.src = '/img/site/level/select_lower_high.jpg';
select_upper_high.src = '/img/site/level/select_upper_high.jpg';

function checkUname(element)
{
	if(!$(element).present())
	{
		element.style.color = '#737373';
		element.value = 'Username';
	}
}

function checkPword(element)
{
	if(!$(element).present())
	{
		$(element).hide();
		$('UserPassword1').show();
	}
}

function hideAllMenus()
{
	for (i = 0; i < menuTracker.length; i++)
	{
		id = menuTracker.pop();
		$(id).fade();
	}
}

function displayMenu(id, depth)
{
	//alert(id.innerHTML);
	
	if (menuTracker.length > 0 && (depth == 0 || depth <= trackDepth))
	{
		for (i = menuTracker.length ; i > depth; i--)
		{
			newid = menuTracker.pop();
			Element.extend(newid);
			
			$(newid).style.backgroundColor = '#469dc8';
			if ($($(newid).parentNode).childElements().length > 1)
			{
				$($(newid).parentNode).childElements()[1].hide();
			}
		}
	}
	
	trackDepth = depth;
		
	Element.extend(id);
	$(id).style.backgroundColor = '#66b8e1';
	if ($($(id).parentNode).childElements().length > 1)
	{
		$($(id).parentNode).childElements()[1].show();
	}
	
	menuTracker.push(id);
	clearTimeout(timers);
}

function hideMenus() {
	for (i = menuTracker.length; i > 0; i--)
	{
		newid = menuTracker.pop();
		Element.extend(newid);
		
		$(newid).style.backgroundColor = '#469dc8';
		if ($($(newid).parentNode).childElements().length > 1)
		{
			$($(newid).parentNode).childElements()[1].hide();
		}
	}
}