var Spry;
if(!Spry)        { Spry = {}; }
if(!Spry.Widget) { Spry.Widget = {}; }
Spry.Widget.MenuBar = function(element, opts) { this.init(element, opts); };
Spry.Widget.MenuBar.prototype.init = function(element, opts) 
{ this.element = this.getElement(element);
	this.currMenu = null;
	var isie = (typeof document.all != 'undefined' && typeof window.opera == 'undefined' && navigator.vendor != 'KDE');
	if(typeof document.getElementById == 'undefined' || (navigator.vendor == 'Apple Computer, Inc.' && typeof window.XMLHttpRequest == 'undefined') || (isie && typeof document.uniqueID == 'undefined'))
	{ return; }
	if(opts) { for(var k in opts) { var rollover = new Image;
			                            rollover.src = opts[k]; }
	         }
	if(this.element) { this.currMenu = this.element;
		                 var items = this.element.getElementsByTagName('li');
		                 for(var i=0; i<items.length; i++) { this.initialize(items[i], element, isie);
			                                                   if(isie) { this.addClassName(items[i], "MenuBarItemIE");
				                                                            items[i].style.position = "static"; }
		               }
		if(isie) { if(this.hasClassName(this.element, "MenuBarVertical")) { this.element.style.position = "relative"; }
			         var linkitems = this.element.getElementsByTagName('a');
			         for(var i=0; i<linkitems.length; i++) { linkitems[i].style.position = "relative"; }
		         }
	}
};

Spry.Widget.MenuBar.prototype.getElement = function(ele) 
{ if (ele && typeof ele == "string")
  return document.getElementById(ele);
	return ele; };

Spry.Widget.MenuBar.prototype.hasClassName = function(ele, className)
{ if (!ele || !className || !ele.className || ele.className.search(new RegExp("\\b" + className + "\\b")) == -1)
	{ return false; }
	return true; };

Spry.Widget.MenuBar.prototype.addClassName = function(ele, className)
{	if (!ele || !className || this.hasClassName(ele, className)) return;
	ele.className += (ele.className ? " " : "") + className; };

Spry.Widget.MenuBar.prototype.removeClassName = function(ele, className)
{ if (!ele || !className || !this.hasClassName(ele, className)) return;
	ele.className = ele.className.replace(new RegExp("\\s*\\b" + className + "\\b", "g"), ""); };

Spry.Widget.MenuBar.prototype.addEventListener = function(element, eventType, handler, capture)
{ try { if (element.addEventListener) { element.addEventListener(eventType, handler, capture); }
		    else if (element.attachEvent) { element.attachEvent('on' + eventType, handler); } }
	catch (e) {} };
Spry.Widget.MenuBar.prototype.createIframeLayer = function(menu)
{ var layer = document.createElement('iframe');
	layer.tabIndex = '-1';
	layer.src = 'javascript:false;';
	menu.parentNode.appendChild(layer);
	layer.style.left = menu.offsetLeft + 'px';
	layer.style.top = menu.offsetTop + 'px';
	layer.style.width = menu.offsetWidth + 'px';
	layer.style.height = menu.offsetHeight + 'px'; };

Spry.Widget.MenuBar.prototype.removeIframeLayer =  function(menu)
{ var layers = menu.parentNode.getElementsByTagName('iframe');
	while(layers.length > 0) { layers[0].parentNode.removeChild(layers[0]); } };

Spry.Widget.MenuBar.prototype.clearMenus = function(root)
{ var menus = root.getElementsByTagName('ul');
	for(var i=0; i<menus.length; i++) { this.hideSubmenu(menus[i]); }
	this.removeClassName(this.element, "MenuBarActive"); };

Spry.Widget.MenuBar.prototype.bubbledTextEvent = function()
{ return (navigator.vendor == 'Apple Computer, Inc.' && (event.target == event.relatedTarget.parentNode || (event.eventPhase == 3 && event.target.parentNode == event.relatedTarget))); };

Spry.Widget.MenuBar.prototype.showSubmenu = function(menu)
{ if(this.currMenu) { this.clearMenus(this.currMenu);
		                  this.currMenu = null; }
	if(menu) { this.addClassName(menu, "MenuBarSubmenuVisible");
		if(typeof document.all != 'undefined' && typeof window.opera == 'undefined' && navigator.vendor != 'KDE')
		{ if(!this.hasClassName(this.element, "MenuBarHorizontal") || menu.parentNode.parentNode != this.element)
			{ menu.style.top = menu.parentNode.offsetTop + 'px'; } }
		  if(typeof document.uniqueID != "undefined") { this.createIframeLayer(menu); } }
	this.addClassName(this.element, "MenuBarActive"); };

Spry.Widget.MenuBar.prototype.hideSubmenu = function(menu)
{ if(menu) { this.removeClassName(menu, "MenuBarSubmenuVisible");
		if(typeof document.all != 'undefined' && typeof window.opera == 'undefined' && navigator.vendor != 'KDE')
		{ menu.style.top = '';
			menu.style.left = ''; }
		this.removeIframeLayer(menu); } };

Spry.Widget.MenuBar.prototype.initialize = function(listitem, element, isie)
{	var opentime, closetime;
	var link = listitem.getElementsByTagName('a')[0];
	var submenus = listitem.getElementsByTagName('ul');
	var menu = (submenus.length > 0 ? submenus[0] : null);
	var hasSubMenu = false;
	if(menu) { this.addClassName(link, "MenuBarItemSubmenu");
		         hasSubMenu = true; }
	if(!isie) { listitem.contains = function(testNode)
		{ if(testNode == null) { return false; }
			if(testNode == this) { return true; }
			else { return this.contains(testNode.parentNode); } }; }
	var self = this;
	this.addEventListener(listitem, 'mouseover', function(e)
	{ if(self.bubbledTextEvent()) { return; }
		clearTimeout(closetime);
		if(self.currMenu == listitem) { self.currMenu = null; }
		self.addClassName(link, hasSubMenu ? "MenuBarItemSubmenuHover" : "MenuBarItemHover");
		if(menu && !self.hasClassName(menu, "MenuBarSubmenuVisible"))
		{ opentime = window.setTimeout(function(){self.showSubmenu(menu);}, 250); } }, false);
	this.addEventListener(listitem, 'mouseout', function(e)
	{ if(self.bubbledTextEvent()) { return; }
		var related = (typeof e.relatedTarget != 'undefined' ? e.relatedTarget : e.toElement);
		if(!listitem.contains(related))
		{ clearTimeout(opentime);
			self.currMenu = listitem;
			self.removeClassName(link, hasSubMenu ? "MenuBarItemSubmenuHover" : "MenuBarItemHover");
			if(menu) { closetime = window.setTimeout(function(){self.hideSubmenu(menu);}, 600); } }
	}, false); };