ncqDropDown.spacerGif = contextPath + "Resources/images/blank.gif"; 
ncqDropDown.dingbatOn = contextPath + "Resources/images/submenuhover.gif"; 
ncqDropDown.dingbatOff = contextPath + "Resources/images/submenu.gif"; 
ncqDropDown.dingbatSize = 10; 
ncqDropDown.menuPadding = 5; 
ncqDropDown.itemPadding = 2; 
ncqDropDown.shadowSize = 2; 
ncqDropDown.shadowOffset = 3; 
ncqDropDown.shadowColor = "#888"; 
ncqDropDown.shadowPng = contextPath + "images/nav_bar/grey-40.png"; 
ncqDropDown.backgroundColor = "#FFFFFF"; 
ncqDropDown.backgroundPng = contextPath + "images/nav_bar/white-90.png"; 
ncqDropDown.hideDelay = 350; 
ncqDropDown.slideTime = 250; 



ncqDropDown.reference = {topLeft:1,topRight:2,bottomLeft:3,bottomRight:4};
ncqDropDown.direction = {down:1,right:2};
ncqDropDown.registry = [];
ncqDropDown._maxZ = 100;




ncqDropDown.isSupported = function() {
	if (typeof ncqDropDown.isSupported.r == "boolean") 
		return ncqDropDown.isSupported.r;
	var ua = navigator.userAgent.toLowerCase();
	var an = navigator.appName;
	var r = false;
	if (ua.indexOf("gecko") > -1) r = true; 
	else if (an == "Microsoft Internet Explorer") {
		if (document.getElementById) r = true; 
	}
	ncqDropDown.isSupported.r = r;
	return r;
}

ncqDropDown.initialize = function() {
	for (var i = 0, menu = null; menu = this.registry[i]; i++) {
		menu.initialize();
	}
}

ncqDropDown.renderAll = function() {
	var aMenuHtml = [];
	for (var i = 0, menu = null; menu = this.registry[i]; i++) {
		aMenuHtml[i] = menu.toString();
	}
	document.write(aMenuHtml.join(""));
}

function ncqDropDown(oActuator, iDirection, iLeft, iTop, iReferencePoint, parentMenuSet) {
	this.addItem = addItem;
	this.addMenu = addMenu;
	this.toString = toString;
	this.initialize = initialize;
	this.isOpen = false;
	this.show = show;
	this.hide = hide;
	this.items = [];
	this.oActuator = oActuator;
	this.onactivate = new Function(); 
	this.ondeactivate = new Function(); 
	this.onmouseover = new Function(); 
	this.onqueue = new Function(); 
	this.destroy = destroy;

	this.index = ncqDropDown.registry.length;
	ncqDropDown.registry[this.index] = this;
	var id = "ncqDropDown" + this.index;
	var contentHeight = null;
	var contentWidth = null;
	var childMenuSet = null;
	var animating = false;
	var childMenus = [];
	var slideAccel = -1;
	var elmCache = null;
	var ready = false;
	var _this = this;
	var a = null;
	var pos = iDirection == ncqDropDown.direction.down ? "top" : "left";
	var dim = null;

	function addItem(sText, sUrl, sTarget) {
		var item = new ncqDropDownItem(sText, sUrl, this, sTarget);
		item._index = this.items.length;
		this.items[item._index] = item;
	}
/*
	function addMenu(oMenuItem) {
		if (!oMenuItem.parentMenu == this) throw new Error("Cannot add a menu here");
		if (childMenuSet == null) childMenuSet = new ncqDropDownSet(ncqDropDown.direction.right, 0, 0, ncqDropDown.reference.topRight);
		var m = childMenuSet.addMenu(oMenuItem);
		oMenuItem._index = childMenus.length;
		childMenus[oMenuItem._index] = m;
		m.onmouseover = child_mouseover;
		m.ondeactivate = child_deactivate;
		m.onqueue = child_queue;
		return m;
	}
*/	
	function addMenu(sText, sUrl, sTarget) {
		//if (!oMenuItem.parentMenu == this) throw new Error("Cannot add a menu here");
		if (childMenuSet == null) childMenuSet = new ncqDropDownSet(ncqDropDown.direction.right, 1, 5, ncqDropDown.reference.topRight);
		
		var oMenuItem = new ncqDropDownItem(sText, sUrl, this, sTarget);
		oMenuItem._index = this.items.length;
		//this.items[oMenuItem._index] = oMenuItem;
		
		var m = childMenuSet.addMenu(oMenuItem);
		oMenuItem._index = childMenus.length;
		childMenus[oMenuItem._index] = m;
		m.onmouseover = child_mouseover;
		m.ondeactivate = child_deactivate;
		m.onqueue = child_queue;
		return m;
	}
	function initialize() {
		initCache();
		initEvents();
		initSize();
		ready = true;
	}
	function show() {
		if (ready) {
			_this.isOpen = true;
			animating = true;
			setContainerPos();
			elmCache["clip"].style.visibility = "visible";
			elmCache["clip"].style.zIndex = ncqDropDown._maxZ++;

			slideStart();
			_this.onactivate();
		}
	}
	function hide() {
		if (ready) {
			_this.isOpen = false;
			animating = true;
			for (var i = 0, item = null; item = elmCache.item[i]; i++) 	dehighlight(item);
			if (childMenuSet) childMenuSet.hide();
			slideStart();
			_this.ondeactivate();
		}
	}
	function setContainerPos() {
		var sub = oActuator.constructor == ncqDropDownItem; 
		var act = sub ? oActuator.parentMenu.elmCache["item"][oActuator._index] : oActuator; 
		var el = act;
		var x = 0;
		var y = -5;
		var minX = 0;
		var maxX = (window.innerWidth ? window.innerWidth : document.body.clientWidth) - parseInt(elmCache["clip"].style.width);
		var minY = 0;
		var maxY = (window.innerHeight ? window.innerHeight : document.body.clientHeight) - parseInt(elmCache["clip"].style.height);

		while (sub ? el.parentNode.className.indexOf("ncqDropdownMenu") == -1 : el.offsetParent) {
			x += el.offsetLeft;
			y += el.offsetTop;
			if (el.scrollLeft) x -= el.scrollLeft;
			if (el.scrollTop) y -= el.scrollTop;
			el = el.offsetParent;
		}
		if (oActuator.constructor == ncqDropDownItem) {
			x += parseInt(el.parentNode.style.left);
			y += parseInt(el.parentNode.style.top);
		}
		switch (iReferencePoint) {
			case ncqDropDown.reference.topLeft:
			break;
			case ncqDropDown.reference.topRight:
			x += act.offsetWidth;
			break;
			case ncqDropDown.reference.bottomLeft:
			y += act.offsetHeight;
			break;
			case ncqDropDown.reference.bottomRight:
			x += act.offsetWidth;
			y += act.offsetHeight;
			break;
		}
		x += iLeft;
		y += iTop;
		x = Math.max(Math.min(x, maxX), minX);
		y = Math.max(Math.min(y, maxY), minY);
		elmCache["clip"].style.left = x + "px";
		elmCache["clip"].style.top = y + "px";
	}
	function slideStart() {
		var x0 = parseInt(elmCache["content"].style[pos]);
		var x1 = _this.isOpen ? 0 : -dim;
		if (a != null) a.stop();
		a = new Accelimation(x0, x1, ncqDropDown.slideTime, slideAccel);
		a.onframe = slideFrame;
		a.onend = slideEnd;
		a.start();
	}
	function slideFrame(x) {
		elmCache["content"].style[pos] = x + "px";
	}
	function slideEnd() {
		if (!_this.isOpen) elmCache["clip"].style.visibility = "hidden";
		animating = false;
	}
	function initSize() {
		var ow = elmCache["items"].offsetWidth;
		var oh = elmCache["items"].offsetHeight;
		var ua = navigator.userAgent.toLowerCase();

		elmCache["clip"].style.width = ow + ncqDropDown.shadowSize + 2 + "px";
		elmCache["clip"].style.height = oh + ncqDropDown.shadowSize + 2 + "px";

		elmCache["content"].style.width = ow + ncqDropDown.shadowSize + "px";
		elmCache["content"].style.height = oh + ncqDropDown.shadowSize + "px";
		contentHeight = oh + ncqDropDown.shadowSize;
		contentWidth = ow + ncqDropDown.shadowSize;
		dim = iDirection == ncqDropDown.direction.down ? contentHeight : contentWidth;

		elmCache["content"].style[pos] = -dim - ncqDropDown.shadowSize + "px";
		elmCache["clip"].style.visibility = "hidden";

		if (ua.indexOf("mac") == -1 || ua.indexOf("gecko") > -1) {
			elmCache["background"].style.width = ow + "px";
			elmCache["background"].style.height = oh + "px";
			elmCache["background"].style.backgroundColor = ncqDropDown.backgroundColor;

			elmCache["shadowRight"].style.left = ow + "px";
			elmCache["shadowRight"].style.height = oh - (ncqDropDown.shadowOffset - ncqDropDown.shadowSize) + "px";
			elmCache["shadowRight"].style.backgroundColor = ncqDropDown.shadowColor;

			elmCache["shadowBottom"].style.top = oh + "px";
			elmCache["shadowBottom"].style.width = ow - ncqDropDown.shadowOffset + "px";
			elmCache["shadowBottom"].style.backgroundColor = ncqDropDown.shadowColor;
		}

		else {
			elmCache["background"].firstChild.src = ncqDropDown.backgroundPng;
			elmCache["background"].firstChild.width = ow;
			elmCache["background"].firstChild.height = oh;

			elmCache["shadowRight"].firstChild.src = ncqDropDown.shadowPng;
			elmCache["shadowRight"].style.left = ow + "px";
			elmCache["shadowRight"].firstChild.width = ncqDropDown.shadowSize;
			elmCache["shadowRight"].firstChild.height = oh - (ncqDropDown.shadowOffset - ncqDropDown.shadowSize);

			elmCache["shadowBottom"].firstChild.src = ncqDropDown.shadowPng;
			elmCache["shadowBottom"].style.top = oh + "px";
			elmCache["shadowBottom"].firstChild.height = ncqDropDown.shadowSize;
			elmCache["shadowBottom"].firstChild.width = ow - ncqDropDown.shadowOffset;
		}
	}
	function initCache() {
		var menu = document.getElementById(id);
		var all = menu.all ? menu.all : menu.getElementsByTagName("*"); 
		elmCache = {};
		elmCache["clip"] = menu;
		elmCache["item"] = [];
		for (var i = 0, elm = null; elm = all[i]; i++) {
			switch (elm.className) {
				case "items":
				case "content":
				case "background":
				case "shadowRight":
				case "shadowBottom":
				elmCache[elm.className] = elm;
				break;
				case "item":
				elm._index = elmCache["item"].length;
				elmCache["item"][elm._index] = elm;
				break;
			}
		}
		_this.elmCache = elmCache;
	}
	function initEvents() {
		for (var i = 0, item = null; item = elmCache.item[i]; i++) {
			item.onmouseover = item_mouseover;
			item.onmouseout = item_mouseout;
			item.onclick = item_click;
		}
		if (typeof oActuator.tagName != "undefined") {
			oActuator.onmouseover = actuator_mouseover;
			oActuator.onmouseout = actuator_mouseout;
		}
		elmCache["content"].onmouseover = content_mouseover;
		elmCache["content"].onmouseout = content_mouseout;
	}
	function highlight(oRow) {
		oRow.className = "item hover";
		if (childMenus[oRow._index]) oRow.lastChild.firstChild.src = ncqDropDown.dingbatOn;
	}
	function dehighlight(oRow) {
		oRow.className = "item";
		if (childMenus[oRow._index]) oRow.lastChild.firstChild.src = ncqDropDown.dingbatOff;
	}
	function item_mouseover() {
		if (!animating) {
			highlight(this);
			if (childMenus[this._index]) childMenuSet.showMenu(childMenus[this._index]);
			else if (childMenuSet) childMenuSet.hide();
		}
	}
	function item_mouseout() {
		if (!animating) {
			if (childMenus[this._index]) childMenuSet.hideMenu(childMenus[this._index]);
			else dehighlight(this);
		}
	}
	function item_click() {
		if (!animating) {
			if (_this.items[this._index].url) {
				if (_this.items[this._index].target == 'New') {
					window.open(_this.items[this._index].url, _this.items[this._index].sText,'');
				}
				else location.href = _this.items[this._index].url;
			}
		}
	}
	function actuator_mouseover() { parentMenuSet.showMenu(_this); }
	function actuator_mouseout() { parentMenuSet.hideMenu(_this); }
	function content_mouseover() {
		if (!animating) {
			parentMenuSet.showMenu(_this);
			_this.onmouseover();
		}
	}
	function content_mouseout() {
		if (!animating) parentMenuSet.hideMenu(_this);
	}
	function child_mouseover() {
		if (!animating) parentMenuSet.showMenu(_this);
	}
	function child_deactivate() {
		for (var i = 0; i < childMenus.length; i++) {
			if (childMenus[i] == this) {
				dehighlight(elmCache["item"][i]);
				break;
			}
		}
	}
	function child_queue() { parentMenuSet.hideMenu(_this); }
	function toString() {
		var aHtml = [];
		var sClassName = "ncqDropdownMenu" + (oActuator.constructor != ncqDropDownItem ? " top" : "");
		for (var i = 0, item = null; item = this.items[i]; i++) {
			aHtml[i] = item.toString(childMenus[i]);
		}
		return '<div id="' + id + '" class="' + sClassName + '">' + 
		'<div class="content"><table class="items" cellpadding="0" cellspacing="0" border="0">' + 
		//'<tr><td colspan="2"><img src="' + ncqDropDown.spacerGif + '" width="1" height="' + ncqDropDown.menuPadding + '"></td></tr>' + 
		aHtml.join('') + 
		//'<tr><td colspan="2"><img src="' + ncqDropDown.spacerGif + '" width="1" height="' + ncqDropDown.menuPadding + '"></td></tr>' +
		'</table>' + 
		'<div class="shadowBottom"><img src="' + ncqDropDown.spacerGif + '" width="1" height="1"></div>' + 
		'<div class="shadowRight"><img src="' + ncqDropDown.spacerGif + '" width="1" height="1"></div>' + 
		'<div class="background"><img src="' + ncqDropDown.spacerGif + '" width="1" height="1"></div>' + 
		'</div></div>';
	}
	
	function destroy() {
		for (var i=0; i < childMenus.length; i++) {
			childMenus[i].destroy();
			delete childMenus[i];
		}
		for (var i=0; i < this.items.length; i++) {
			this.items[i].destroy();
			delete this.items[i];
		}
		delete childMenus;
		delete this.items;
		
		delete this.addItem;
		delete this.addMenu;
		delete this.toString;
		delete this.initialize;
		delete this.isOpen;
		delete this.show;
		delete this.hide;
		delete this.oActuator;
		delete this.onactivate; 
		delete this.ondeactivate; 
		delete this.onmouseover; 
		delete this.onqueue; 

		delete this.index;
		delete ncqDropDown.registry;
		delete id;
		delete contentHeight;
		delete contentWidth;
		delete childMenuSet;
		delete animating;
		delete childMenus;
		delete slideAccel;
		delete elmCache;
		delete ready;
		delete _this;
		delete a;
		delete pos;
		delete dim;
	}
}

/********** NCQDROPDOWNSET **********/
ncqDropDownSet.registry = [];
function ncqDropDownSet(iDirection, iLeft, iTop, iReferencePoint) {

	this.addMenu = addMenu;
	this.showMenu = showMenu;
	this.hideMenu = hideMenu;
	this.hide = hide;
	this.destroy = destroy;
	
	var menus = [];
	var _this = this;
	var current = null;
	this.index = ncqDropDownSet.registry.length;
	ncqDropDownSet.registry[this.index] = this;

	function addMenu(oActuator) {
		var m = new ncqDropDown(oActuator, iDirection, iLeft, iTop, iReferencePoint, this);
		menus[menus.length] = m;
		return m;
	}
	function showMenu(oMenu) {
		if (oMenu != current) {
			if (current != null) hide(current); 
			current = oMenu;
			oMenu.show();
		}
		else cancelHide(oMenu);
	}
	function hideMenu(oMenu) {
		if (current == oMenu && oMenu.isOpen) {
			if (!oMenu.hideTimer) scheduleHide(oMenu);
		}
	}
	function scheduleHide(oMenu) {
		oMenu.onqueue();
		oMenu.hideTimer = window.setTimeout("ncqDropDownSet.registry[" + _this.index + "].hide(ncqDropDown.registry[" + oMenu.index + "])", ncqDropDown.hideDelay);
	}
	function cancelHide(oMenu) {
		if (oMenu.hideTimer) {
			window.clearTimeout(oMenu.hideTimer);
			oMenu.hideTimer = null;
		}
	}
	function hide(oMenu) { 
		if (!oMenu && current) oMenu = current;
		if (oMenu && current == oMenu && oMenu.isOpen) {
			cancelHide(oMenu);
			current = null;
			oMenu.hideTimer = null;
			oMenu.hide();
		}
	}
	
	function destroy() {
		for (var i=0; i < menus.length; i++) {
			menus[i].destroy();
			delete menus[i];
		}
		delete menus;
		delete current;
		delete _this;
		delete this.index;
		
		delete this.addMenu;
		delete this.showMenu;
		delete this.hideMenu;
		delete this.hide;
	}
}

/********** NCQDROPDOWNITEM **********/
function ncqDropDownItem(sText, sUrl, oParent, sTarget) {
	this.toString = toString;
	this.text = sText;
	this.url = sUrl;
	this.target = sTarget;
	this.parentMenu = oParent;
	this.destroy = destroy;
	
	function toString(bDingbat) {
		var sDingbat = bDingbat ? ncqDropDown.dingbatOff : ncqDropDown.spacerGif;
		var iEdgePadding = ncqDropDown.itemPadding + ncqDropDown.menuPadding;
		var sPaddingLeft = "padding:" + ncqDropDown.itemPadding + "px; padding-left:" + iEdgePadding + "px;"
		var sPaddingRight = "padding:" + ncqDropDown.itemPadding + "px; padding-right:" + iEdgePadding + "px;"
		return '<tr class="item"><td nowrap style="' + sPaddingLeft + '">' + 
		sText + '</td><td width="12" style="' + sPaddingRight + '">' + '<img src="' + sDingbat + '"></td></tr>';
	}
	
	function destroy() {
		delete this.toString;
		delete this.text;
		delete this.target;
	}
}

function Accelimation(from, to, time, zip) {
	if (typeof zip == "undefined") zip = 0;
	if (typeof unit == "undefined") unit = "px";
	this.x0 = from;
	this.x1 = to;
	this.dt = time;
	this.zip = -zip;
	this.unit = unit;
	this.timer = null;
	this.onend = new Function();
	this.onframe = new Function();
}
Accelimation.prototype.start = function() {
	this.t0 = new Date().getTime();
	this.t1 = this.t0 + this.dt;
	var dx = this.x1 - this.x0;
	this.c1 = this.x0 + ((1 + this.zip) * dx / 3);
	this.c2 = this.x0 + ((2 + this.zip) * dx / 3);
	Accelimation._add(this);
}
Accelimation.prototype.stop = function() { Accelimation._remove(this); }
Accelimation.prototype._paint = function(time) {
	if (time < this.t1) {
		var elapsed = time - this.t0;
		this.onframe(Accelimation._getBezier(elapsed/this.dt,this.x0,this.x1,this.c1,this.c2));
	}
	else this._end();
}
Accelimation.prototype._end = function() {
	Accelimation._remove(this);
	this.onframe(this.x1);
	this.onend();
}
Accelimation._add = function(o) {
	var index = this.instances.length;
	this.instances[index] = o;
	if (this.instances.length == 1) this.timerID = window.setInterval("Accelimation._paintAll()", this.targetRes);
}
Accelimation._remove = function(o) {
	for (var i = 0; i < this.instances.length; i++) {
		if (o == this.instances[i]) {
			this.instances = this.instances.slice(0,i).concat( this.instances.slice(i+1) );
			break;
		}
	}
	if (this.instances.length == 0) {
		window.clearInterval(this.timerID);
		this.timerID = null;
	}
}
Accelimation._paintAll = function() {
	var now = new Date().getTime();
	for (var i = 0; i < this.instances.length; i++) this.instances[i]._paint(now);
}
Accelimation._B1 = function(t) { return t*t*t }
Accelimation._B2 = function(t) { return 3*t*t*(1-t) }
Accelimation._B3 = function(t) { return 3*t*(1-t)*(1-t) }
Accelimation._B4 = function(t) { return (1-t)*(1-t)*(1-t) }
Accelimation._getBezier = function(percent,startPos,endPos,control1,control2) {
	return endPos * this._B1(percent) + control2 * this._B2(percent) + control1 * this._B3(percent) + startPos * this._B4(percent);
}
Accelimation.instances = [];
Accelimation.targetRes = 10;
Accelimation.timerID = null;