var currentMenu = null;
var lastMenuStarter = null;
var mytimer = null;
var timerOn = false;
var opera = window.opera ? true : false;

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

function initialiseDummy(dummy, root) {
	if (dummy != null) {
		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) {
				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 + "px";

			}
			else {
			 	menu.style.left = this.offsetWidth - rootOffset + "px";
			 	menu.style.top = this.offsetTop + "px"; //menu.style.top - menu.style.offsetHeight + "px";
			}

		}
		API.setObjOpacity(menu, 1);
		menu.style.visibility = "visible";
		anim = new Animator();
		anim.addSubject(new NumericalStyleSubject(menu, 'opacity', 0.1, 1));
		anim.play();
		menu.style.zIndex = API.maxZ + 100;
		currentMenu = menu;
	}

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

	menu.onfocus	 = function() {
//			currentMenu.style.visibility="hidden";
	}

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

	menu.hideMenu = function()  {
		if (!timerOn) {
			mytimer = setInterval("killMenu('" + this.id + "', '" + root.id + "');", 2000);
			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";
/*						menuItem.style.opacity = 1;
						anim = new Animator({onComplete: function() {
							menuItem.style.visibility = "hidden";
						}});
						anim.addSubject(new NumericalStyleSubject(menuItem, 'opacity', 1, 0));
						anim.play();
*/					}
				}
			}
		}
	}

	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";
				}
			}
		}//alert('a');
/*		menu.style.opacity = 1;
		anim = new Animator({onComplete: function() {
			menu.style.visibility = "hidden";
		}});
		anim.addSubject(new NumericalStyleSubject(menu, 'opacity', 1, 0));
		anim.play();
*/		menu.style.visibility = "hidden";
	}
}
function killMenu(menu, root) {
	//alert(menu);
	var menu = document.getElementById(menu);
	var root = document.getElementById(root);
//	menu.style.visibility = "hidden";
	API.setObjOpacity(menu, 100);
	anim = new Animator({onComplete: function() {
		menu.style.visibility = "hidden";
	}});
	anim.addSubject(new NumericalStyleSubject(menu, 'opacity', 1, 0.1));
	anim.play();
	//alert(menu.getElementsByTagName("UL").length);
	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 cssMenuInit() {
	if (document.getElementById("menuList")) {
		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) {
				if (elementItem.childNodes[x].getElementsByTagName("P").item(0)) {
					menuStarter = elementItem.childNodes[x].getElementsByTagName("P").item(0);
				} else {
					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);
			}
		}
	}
}