var hoverClass = 'selectedBolig';
var currentClass = '';
var currentClass2 = '';

var hasHovered = false;


function initNavigation() {
	initBoligList();
	var lists = document.getElementsByTagName('ul');

	for (var i=0;i<lists.length;i++) {
		if (lists[i].className != 'dropdown') continue;
		lists[i].onmouseover = navMouseOver;
		lists[i].onmouseout = navMouseOut;
		var listItems = lists[i].getElementsByTagName('li');
		for (var j=0;j<listItems.length;j++) {
			//alert(listItems[j].getElementsByTagName('ul').length);
			var test = listItems[j].getElementsByTagName('ul')[0];
			if (test) {
				listItems[j].firstChild.onfocus = navMouseOver;
				listItems[j].relatedItem = test;
			}
		}
	}
}

var currentlyOpenedMenus = new Array();
var currentlyFocusedItem;

function navMouseOver(e) {
	var evt = e || window.event;
	var evtTarget = evt.target || evt.srcElement;
	if (evtTarget.nodeName == 'UL') return;
	while (evtTarget.nodeName != 'LI')
	{
		evtTarget = evtTarget.parentNode;
	}
	var currentClass = evtTarget.className;
	evtTarget.className = 'hover';
	foldMenuIn(evtTarget);
	if (evtTarget.relatedItem && !evtTarget.relatedItem.opened) {
		evtTarget.className = 'highlight';
		evtTarget.relatedItem.className = 'foldOut';
		evtTarget.relatedItem.opened = true;
		currentlyOpenedMenus.push(evtTarget.relatedItem);
	}
}

function navMouseOut(e) {

	var evt = e || window.event;
	var evtTarget = evt.target || evt.srcElement;
	var relatedNode = evt.relatedTarget || evt.toElement;
	foldMenuIn(relatedNode);
	if (evtTarget.nodeName == 'UL') return;
	while (evtTarget.nodeName != 'LI')
	{
		evtTarget = evtTarget.parentNode;
	}
	evtTarget.className = currentClass;

}

function foldMenuIn(targetNode) {
	if (!targetNode) return;
	
	var newCurrentlyOpenedMenus = new Array();
	for (var i=0;i<currentlyOpenedMenus.length;i++) {
		if (!containsElement(currentlyOpenedMenus[i],targetNode)) {
			currentlyOpenedMenus[i].className = '';
			currentlyOpenedMenus[i].parentNode.className = '';
			currentlyOpenedMenus[i].opened = false;
		}
		else
			newCurrentlyOpenedMenus.push(currentlyOpenedMenus[i]);
	}
	currentlyOpenedMenus = newCurrentlyOpenedMenus;
}

function containsElement(obj1,obj2) {
	while (obj2.nodeName != 'HTML') {
		if (obj2 == obj1) return true;
		obj2 = obj2.parentNode;
	}
	return false;
}

addEventSimple(window,"load",initNavigation);

function addEventSimple(obj,evt,fn) {
	if (obj.addEventListener)
		obj.addEventListener(evt,fn,false);
	else if (obj.attachEvent)
		obj.attachEvent('on'+evt,fn);
}

function removeEventSimple(obj,evt,fn) {
	if (obj.removeEventListener)
		obj.removeEventListener(evt,fn,false);
	else if (obj.detachEvent)
		obj.detachEvent('on'+evt,fn);
}

/** PUSH AND SHIFT FOR IE5 **/

function Array_push() {
	var A_p = 0
	for (A_p = 0; A_p < arguments.length; A_p++) {
		this[this.length] = arguments[A_p]
	}
	return this.length
}

if (typeof Array.prototype.push == "undefined") {
	Array.prototype.push = Array_push
}

function Array_shift() {
	var A_s = 0
	var response = this[0]
	for (A_s = 0; A_s < this.length-1; A_s++) {
		this[A_s] = this[A_s + 1]
	}
	this.length--
	return response
}

if (typeof Array.prototype.shift == "undefined") {
	Array.prototype.shift = Array_shift
}



document.getElementsByClassName = function(cl) {
	var retnode = [];
	var myclass = new RegExp('\\b'+cl+'\\b');
	var elem = this.getElementsByTagName('*');
	for (var i = 0; i < elem.length; i++) {
		var classes = elem[i].className;
		if (myclass.test(classes)) retnode.push(elem[i]);
	}
	return retnode;
};

function initBoligList()
{
	var menu,listPoint,listPoints,currentClass,hoverClass;
	try
	{
		
		
		listPoints = document.getElementsByClassName('boligList');
		
		
		for (var i=0;i<listPoints.length;i++)
		{
			if (listPoints[i].nodeName.indexOf('DIV') > -1)
			{
				listPoints[i].onmouseover = aMouseOver;
				listPoints[i].onmouseout = aMouseout;
			}
		}
	}	
	catch (e) {
		
	}
}

function aMouseOver() 
{
	currentClass2 = this.className;
	if (currentClass2 == 'undefined') currentClass2 = '';
	if (currentClass2.indexOf(hoverClass) == -1) {
		this.className = currentClass2 + ' ' + hoverClass;
	}
	//alert(currentClass);
	hasHovered = true;
}

function aMouseout() 
{
	if (hasHovered)
		{
			this.className = currentClass2;
		}
}