function initNav()
{
	if (window.attachEvent && !window.opera)
	{
		var nav = document.getElementById("nav");
		if (nav)
		{
			var nodes = nav.getElementsByTagName("li");
			for (var i = 0; i < nodes.length; i++)
			{
				nodes[i].className += " hover";
				var uls = nodes[i].getElementsByTagName("ul");
				if(uls.length > 0)
					nodes[i].arr = hideSelectBoxes(uls[0]);
				else
					nodes[i].arr = 0;
				
				nodes[i].onmouseover = function() 
				{
					if (this.className.indexOf("hover") == -1)
					{
						this.className += " hover";
						for (var j=0; j<this.arr.length; j++)
							this.arr[j].style.visibility = "hidden";
					}
				}
				nodes[i].onmouseout = function()
				{
					this.className = this.className.replace(" hover", "");
					showSelectBoxes();
				}
			}
			for (var i = 0; i < nodes.length; i++)
			{
				nodes[i].className = nodes[i].className.replace(" hover", "");
			}
		}
	}
}
if (window.attachEvent && !window.opera)
	window.attachEvent("onload", initNav);

var sboxes = [];
function hideSelectBoxes(object)
{
	if (!object) return;
	if (!object.sboxes)
		object.sboxes = [];
	var ol = fPX(object);
	var ot = fPY(object);
	var ow = object.offsetWidth;
	var oh = object.offsetHeight;
	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 = fPY(sboxes[i]);
		var l = fPX(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];
	}
	return object.sboxes;
}

function showSelectBoxes()
{
	for (var i=0; i<sboxes.length; i++)
		sboxes[i].style.visibility = "";
}
function fPX(a)
{
	var b = 0;
	while (a.offsetParent) {b += a.offsetLeft; a = a.offsetParent;}
	return b;
}
function fPY(a)
{
	var b = 0;
	while (a.offsetParent) {b += a.offsetTop; a = a.offsetParent;}
	return b;
}