/***************************** MENU >>>> ****************************************/
var menu__active = false;
function menu__onEvent(eventType, elem) {
  	
	if (menu__active && (elem.nodeName == 'A' || elem.nodeName == 'UL' || elem.nodeName == 'LI') && menu__ismenutag(elem)) {
		if (eventType == 'over' && elem.nodeName == 'A') menu__over(elem);
		else if (eventType == 'over') menu__hold(elem);
		if (eventType == 'out') menu__out(elem);
	}
}
function menu__ismenutag(elem) {
	var par = elem;
	while (par.parentNode != null) {
		if (par.id == 'menu') return true;
		par = par.parentNode;
	}
	return false;
}
document.onmouseover = function(e) {
	e = e || window.event;
	var elem = e.target || e.srcElement; 
	menu__onEvent('over', elem);
};
document.onmouseout = function(e) {
	e = e || window.event;
	var elem = e.target || e.srcElement; 
	menu__onEvent('out', elem);
};






var menu__closeintervall = null;
var menu__starthit = new Array(3);

function menu__init() {
	if ((navigator.userAgent.toLowerCase().indexOf("msie 5")>-1) || (navigator.userAgent.toLowerCase().indexOf("msie 6")>-1)) menu__active = false;
	var lis = document.getElementById('menu').getElementsByTagName('li');
	var t = '';
	for (var i = 0; i < lis.length; i++) {
		if (lis[i].className.indexOf('hit') > -1) {
			var elem = lis[i].getElementsByTagName('a')[0];
			t += lis[i].className + "-- " + menu__getlevel(elem) + "\n";
			menu__starthit[menu__getlevel(elem)] = elem;
		}
	}
	//alert(t);
}
function menu__clear() {
	var lis = document.getElementById('menu').getElementsByTagName('li');
	var t = '';
	for (var i = 0; i < lis.length; i++) {
		lis[i].className = lis[i].className.replace(/hit/g, '');
	}
	//alert(t);
}
function menu__open(elem) {
	window.clearInterval(menu__closeintervall);
	// alle anderen ausblenden
	var siblings = elem.parentNode.parentNode.childNodes;
	for (var i = 0; i < siblings.length; i++) {
		if (siblings[i].nodeName == 'LI') {
			var t = siblings[i].className + "\n";
			siblings[i].className = siblings[i].className.replace(/hit/g, '');
			siblings[i].className = siblings[i].className.replace(/  /g, ' ');
			if (elem.parentNode == siblings[i]) {
				siblings[i].className += ' hit';
				//alert(siblings[i].innerHTML);
			}
			t += siblings[i].className + "\n";
			//alert(t);
		}
	}
}
function menu__hold() {
	window.clearInterval(menu__closeintervall);
	//alert('close');
}
function menu__close() {
	window.clearInterval(menu__closeintervall);
	menu__clear();
	for (var i = 0; i < 3; i++) {
		if (menu__starthit[i] != null) menu__open(menu__starthit[i]);
	}
	//alert('close');
}
function menu__getlevel(elem) {
	var level = 0;
	var par = elem;
	while (par.parentNode != null) {
		if (par.id == 'menu') return (level / 2) - 1;
		par = par.parentNode;
		level++;
	}
	return -1;
}
function menu__over(elem) {
	menu__open(elem);
	//alert('over - ' + menu__getlevel(elem) + ' / ' + elem.nodeName);
}
function menu__out(elem) {
	menu__closeintervall = window.setInterval("menu__close()", 100);
	//alert('out - ' + menu__getlevel(elem) + ' / ' + elem.nodeName);
}
/***************************** <<<< MENU ****************************************/