function init()
	{cssjsmenu('rsvrs-config');}

function elementContains(elmOuter, elmInner)
{
	while (elmInner && elmInner != elmOuter)
		{elmInner = elmInner.parentNode;}
	if (elmInner == elmOuter)
		{return true;}
	return false;
}

function getPageXY(elm)
{
	var point = { x: 0, y: 0 };
	while (elm)
	{
		point.x += elm.offsetLeft;
		point.y += elm.offsetTop;
		elm = elm.offsetParent;
	}
	return point;
}

function setPageXY(elm, x, y)
{
	var parentXY = {x: 0, y: 0 };
	if (elm.offsetParent)
		{parentXY = getPageXY(elm.offsetParent);}
	elm.style.left = (x - parentXY.x) + 'px';
	elm.style.top  = (y - parentXY.y) + 'px';
}

function cssjsmenu(menuid)
{
	var i;
	var j;
	var node;
	var child;
	var parent;

  // if the browser doesn't even support
  // document.getElementById, give up now.
	if (!document.getElementById)
		{return true;}

  // check for downlevel browsers
  // Opera 6, IE 5/Mac are not supported

	var version;
	var offset;
	offset = navigator.userAgent.indexOf('Opera');
	if (offset != -1)
	{
		version = parseInt('0' + navigator.userAgent.substr(offset + 6), 10);
		if (version < 7)
			{return true;}
	}
	offset = navigator.userAgent.indexOf('MSIE');
	if (offset != -1)
	{
		if (navigator.userAgent.indexOf('Mac') != -1)
			{return true;}
	}
	var menudiv = document.getElementById(menuid);

// ul
	var ul = new Array();
	for (i = 0; i < menudiv.childNodes.length; i++)
	{
		node = menudiv.childNodes[i];
		if (node.nodeName.toUpperCase() == 'UL')
			{ul[ul.length] = node;}
	}

// ul > li
	var ul_gt_li = new Array();
	for (i = 0; i < ul.length; i++)
	{
		node = ul[i];
		for (j = 0; j < node.childNodes.length; j++)
		{
			child = node.childNodes[j];
			if (child.nodeName.toUpperCase() == 'LI')
			{
				ul_gt_li[ul_gt_li.length] = child;
				child.style.display = 'inline';
				child.style.listStyle = 'none';
				child.style.position = 'static';
			}
		}
	}

// ul > li > ul
	var ul_gt_li_gt_ul = new Array();
	for (i = 0; i < ul_gt_li.length; i++)
	{
		node = ul_gt_li[i];
		for (j = 0; j < node.childNodes.length; j++)
		{
			child = node.childNodes[j];
			if (child.nodeName.toUpperCase() == 'UL')
			{
				ul_gt_li_gt_ul[ul_gt_li_gt_ul.length] = child;
				child.style.position = 'absolute';
				child.style.left = '-13em';
				child.style.visibility = 'hidden';
// attach hover to parent li
				parent = child.parentNode;
				parent.onmouseover = function (e)
				{
					var i;
					var child;
					var point;
			
// stop the pure css hover effect
					this.style.paddingBottom = '0';
					for (i = 0; i < this.childNodes.length; i++)
					{
						child = this.childNodes[i];
						if (child.nodeName.toUpperCase() == 'UL')
						{
							point = getPageXY(this);
							setPageXY(child, point.x, point.y + this.offsetHeight);
							child.style.visibility = 'visible';
						}
					}
					return false;
				};
				parent.onmouseout = function (e)
				{
					var relatedTarget = null;
					if (e)
					{
						relatedTarget = e.relatedTarget;
// work around Gecko Linux only bug where related target is null
// when clicking on menu links or when right clicking and moving
// into a context menu.
						if (navigator.product == 'Gecko' && navigator.platform.indexOf('Linux') != -1 && !relatedTarget)
							{relatedTarget = e.originalTarget;}
					}
					else if (window.event)
						{relatedTarget = window.event.toElement;}

					if (elementContains(this, relatedTarget))
						{return false;}
					var i;
					var child;
					for (i = 0; i < this.childNodes.length; i++)
					{
						child = this.childNodes[i];
						if (child.nodeName.toUpperCase() == 'UL')
							{child.style.visibility = 'hidden';}
					}
					return false;
				};
			}
		}
	}
	return true;
}