var nav = null;
function ieHover()
{
	nav = document.getElementById("nav");
	if (nav)
	{
		var nodes = nav.getElementsByTagName("li");
		for (var i=0; i<nodes.length; i++)
		{
			nodes[i].onmouseover = function() 
			{
					if (this.getElementsByTagName("div")[0])
					{
						this.className += " hover";
						hideSelectBoxes(this.getElementsByTagName("div")[0]);
					}
			}
			nodes[i].onmouseout = function()
			{
					this.className = this.className.replace(" hover", "");
					if (this.getElementsByTagName("div")[0])
					{
						showSelectBoxes(this.getElementsByTagName("div")[0]);
					}
			}
		}
	}
	var nav = document.getElementById("listing-navigation");
		if (nav)
		{
			var nodes = nav.getElementsByTagName("li");
			for (var i=0; i<nodes.length; i++)
			{
				nodes[i].onmouseover = function() 
				{
					this.className += " hover";
				}
				nodes[i].onmouseout = function()
				{
					this.className = this.className.replace(" hover", "");
				}
			}
		}
}

if (window.addEventListener){
	window.addEventListener("load", initPopup, false);
}
else if (window.attachEvent){
	window.attachEvent("onload", initPopup);
}

var _popup_shadow = null;

function initPopup()  {
	_popup_shadow = document.getElementById("popup-shadow");
	
	if (_popup_shadow)
	{
		var _links = document.getElementsByTagName("a");
		for (i = 0; i < _links.length; i ++)
		{
			if (_links[i].className.indexOf("more-link") != -1)
			{
				var c = document.getElementById(_links[i].href.substr(_links[i].href.indexOf("#") + 1));
				if (c)
				{
					_links[i]._popup = c;
					var _lis = c.getElementsByTagName("a");
					c.style.display = "none";
					for (k = 0; k < _lis.length; k ++)
					{
						if (_lis[k].className.indexOf("close") != -1)
						{
							_lis[k]._popup = c;
							_lis[k].onclick = function() {
								hidePopup(this);
								return false;
							}
						}
					}
					_links[i].onclick = function() {
						showPopup(this);
						return false;
					}
				}
			}
		}
		_popup_shadow.style.display = "none";
	}
}

function getRealLeft(elem)
{
	xPos = elem.offsetLeft;
	tempEl = elem.offsetParent;
  	while (tempEl != null) {
  		xPos += tempEl.offsetLeft;
  		tempEl = tempEl.offsetParent;
  	}
	return xPos;
}

if (window.attachEvent && !window.opera){
	window.attachEvent("onload", ieHover);
}

function hideSelectBoxes(object)
{
	
	if (!object) return;
	
	var in_IE6 = false;
	
	if (navigator.appName.substring(0,0) == "Microsoft")
	{ // Check if IE version is 6 or older

		var appVer = navigator.appVersion.toLowerCase();
		var iePos = appVer.indexOf('msie');
		if (iePos !=-1) {
			var is_minor = parseFloat(appVer.substring(iePos+5,appVer.indexOf(';',iePos)));
			var is_major = parseInt(is_minor); 
		}

		if (is_major <= 6) { 
			in_IE6 = true;
		}
	}
		
	if (in_IE6) {
			if (!object.sboxes) {
				object.sboxes = [];
			}

			var ol = getElementX(object);
			var ot = getElementY(object);
			var ow = object.offsetWidth;
			var oh = object.offsetHeight;
		
			var sboxes = document.all.tags("select");
			for (var i=0; i<sboxes.length; i++)
			{
				var node = sboxes[i].parentNode;
				while (node != object && node.tagName != "BODY") {
					node = node.parentNode;
				}

				var skip = (node == object);
				if (skip) continue;
				var t = getElementY(sboxes[i]);
				var l = getElementX(sboxes[i]);
				var w = sboxes[i].offsetWidth;
				var h = sboxes[i].offsetHeight;
				var ver = false;
				if (t > ot && t < (ot + oh))
					ver = true;
				else if ((t + h) > ot && (t + h) < (ot + oh))
					ver = true;
				var hor = false;
				if (l > ol && l < (ol + ow))
					hor = true;
				else if ((l + w) > ol && (l + w) < (ol + ow))
					hor = true;
				else if (l < ol && (l + w) > ol)
					hor = true;
				if (ver && hor && sboxes[i].style.visibility != "hidden")
					object.sboxes[object.sboxes.length] = sboxes[i];
			}
			for (var i=0; i<object.sboxes.length; i++)
				object.sboxes[i].style.visibility = "hidden";
		}
}

function showSelectBoxes(object)
{
	if (!object) return;
	if (!object.sboxes) return;
	for (var i=0; i<object.sboxes.length; i++)
		object.sboxes[i].style.visibility = "";
	object.sboxes = [];
}


function getElementX(object) {return getElementC(object, true)}
function getElementY(object) {return getElementC(object, false)}

function getElementC(element, xAxis)
{
	var initialElement = element;
	var c = 0;

	while (element != null)
	{
		c += (xAxis) ? element.offsetLeft : element.offsetTop;
		if (element.style.position == "absolute")
			break;
		else
			element = element.offsetParent;
	}

	var elementWnd = document.window;
	if (!elementWnd) return c;

	if (!elementWnd.frameElement) return c;

	return c + getElementC(elementWnd.frameElement, xAxis);
}