var currentMenu = null;
var lastMenuStarter = null;
var lastMenu = null;
var mytimer = null;
var timerOn = false;
var opera = window.opera ? true : false;
var ieie = document.all ? true : false;

if (!document.getElementById)
document.getElementById = function() { return null; }

function initialiseDummy(dummy, root) {
dummy.onmouseover = function() {
containingMenu = this.parentNode.parentNode;
for (var x=0;x<containingMenu.childNodes.length;x++) {
if (containingMenu.childNodes[x].nodeName.toUpperCase()=="LI") {
if (containingMenu.childNodes[x].getElementsByTagName("ul").length>0) {
containingMenu.childNodes[x].getElementsByTagName("UL").item(0).style.visibility = 'hidden';
}
}
}
}
dummy.onfocus = function() {
dummy.onmouseover();
}
}

function initialiseMenu(menu, starter, root) {
var leftstarter = false;

if (menu == null || starter == null) return;
currentMenu = menu;

starter.onmouseover = function() {
if (currentMenu) {
if (this.parentNode.parentNode!=currentMenu) {
currentMenu.style.visibility = "hidden";
hideAllMenus(currentMenu, root);

}
if (this.parentNode.parentNode==root) {
while (currentMenu.parentNode.parentNode!=root) {
currentMenu.parentNode.parentNode.style.visibility = "hidden";
currentMenu = currentMenu.parentNode.parentNode;
}
}
currentMenu = null;
this.showMenu();
        }
}

menu.onmouseover = function() {
if (currentMenu) {
currentMenu = null;
this.showMenu();
        }
}

starter.showMenu = function() {
if (!opera) {
if (this.parentNode.parentNode==root) {
if (ieie) {
menu.style.left = "0" + "px";
menu.style.top = this.offsetHeight + "px";
}
else {
menu.style.left = this.offsetLeft + "px";
menu.style.top = this.offsetTop + this.offsetHeight + "px";
}
if (menu.offsetWidth < this.offsetWidth) menu.style.width = this.offsetWidth;
}
else {
 menu.style.left = this.offsetLeft + this.offsetWidth + "px";
 menu.style.top = this.offsetTop + "px";
}
}
else {
var rootOffset = root.offsetLeft;
if (this.parentNode.parentNode==root) {
menu.style.left = this.offsetLeft - rootOffset + "px";
menu.style.width = this.offsetWidth;
menu.style.top = (this.offsetHeight-10) + "px";
}
else {
 menu.style.left = this.offsetWidth - rootOffset + "px";
 menu.style.top = this.offsetTop + "px";
}

}
menu.style.visibility = "visible";

if (lastMenu != null && menu.id != "menubuilder") {
if (lastMenu.parentNode.parentNode.parentNode.parentNode==root) killMenu(lastMenu.id, root.id);
}
lastMenu = menu;
currentMenu = menu;
}

starter.onfocus = function() {
starter.onmouseover();
}

menu.onfocus = function() {
}

menu.showMenu = function() {
menu.style.visibility = "visible";
currentMenu = menu;
stopTime();
}

menu.hideMenu = function()  {
if (!timerOn) {
mytimer = setInterval("killMenu('" + this.id + "', '" + root.id + "');", 1000);
timerOn = true;
for (var x=0;x<menu.childNodes.length;x++) {
if (menu.childNodes[x].nodeName=="LI") {
if (menu.childNodes[x].getElementsByTagName("UL").length>0) {
menuItem = menu.childNodes[x].getElementsByTagName("UL").item(0);
menuItem.style.visibility = "hidden";
}
}
}
}
}

menu.onmouseout = function(event) {
this.hideMenu();
}
menu.onblur = function() {
this.hideMenu();
}
starter.onmouseout = function() {
for (var x=0;x<menu.childNodes.length;x++) {
if (menu.childNodes[x].nodeName=="LI") {
if (menu.childNodes[x].getElementsByTagName("UL").length>0) {
menuItem = menu.childNodes[x].getElementsByTagName("UL").item(0);
menuItem.style.visibility = "hidden";
}
}
}
menu.style.visibility = "hidden";
}
}
function killMenu(menu, root) {
var menu = document.getElementById(menu);
var root = document.getElementById(root);
menu.style.visibility = "hidden";
for (var x=0;x<menu.childNodes.length;x++) {
if (menu.childNodes[x].nodeName=="LI") {
if (menu.childNodes[x].getElementsByTagName("UL").length>0) {
menuItem = menu.childNodes[x].getElementsByTagName("UL").item(0);
menuItem.style.visibility = "hidden";
}
}
}
while (menu.parentNode.parentNode!=root) {
menu.parentNode.parentNode.style.visibility = "hidden";
menu = menu.parentNode.parentNode;
}
stopTime();
}
function stopTime() {
if (mytimer) {
  clearInterval(mytimer);
 mytimer = null;
 timerOn = false;
}
} 

function carica_menu() {
var root = document.getElementById("menuList");
var rootOffset = root.offsetLeft;
getMenus(root, root);
}

function getMenus(elementItem, root) {
var selectedItem;
var menuStarter;
var menuItem;
for (var x=0;x<elementItem.childNodes.length;x++) {
if (elementItem.childNodes[x].nodeName.toUpperCase()=="LI") {
if (elementItem.childNodes[x].getElementsByTagName("ul").length>0) {
menuStarter = elementItem.childNodes[x].getElementsByTagName("A").item(0);
menuItem = elementItem.childNodes[x].getElementsByTagName("UL").item(0);
getMenus(menuItem, root);
initialiseMenu(menuItem, menuStarter, root);
}
else {
initialiseDummy(elementItem.childNodes[x].getElementsByTagName("A").item(0), root);
}
}
}
}
function hideAllMenus(elementItem, root) {
for (var x=0;x<elementItem.childNodes.length;x++) {
if (elementItem.childNodes[x].nodeName.toUpperCase()=="LI") {
if (elementItem.childNodes[x].getElementsByTagName("ul").length>0) {
elementItem.childNodes[x].getElementsByTagName("UL").item(0).style.visibility = 'hidden';
hideAllMenus(elementItem.childNodes[x].getElementsByTagName("UL").item(0), root);
}
}
}
}
carica_menu()