// This is taken from the "Modular Layer API" available on my site.
	// See that for the readme if you are extending this part of the script.

	var isDOM = document.getElementById?1:0, isIE=document.all?1:0, isNS4=navigator.appName=='Netscape'&&!isDOM?1:0, isOp=self.opera?1:0, isDyn=isDOM||isIE||isNS4;

	function getRef(i, p)
	{
		p = !p ? document : p.navigator ? p.document : p;
		return isIE ? p.all[i] : isDOM ? (p.getElementById?p:p.ownerDocument).getElementById(i) : isNS4 ? p.layers[i] : null;
	};

	function getSty(i, p)
	{
		var r = getRef(i, p);
		return r ? isNS4 ? r : r.style : null;
	};

	if (!self.LayerObj) var LayerObj = new Function('i', 'p', 'this.ref=getRef(i, p); this.sty=getSty(i, p); return this');

	function getLyr(i, p)
	{
		return new LayerObj(i, p)
	};

	function LyrFn(n, f)
	{
		LayerObj.prototype[n] = new Function('var a=arguments,p=a[0],px=isNS4||isOp?0:"px"; ' + 'with (this) { '+f+' }');
	};
	LyrFn('x','if (!isNaN(p)) sty.left=p+px; else return parseInt(sty.left)');
	LyrFn('y','if (!isNaN(p)) sty.top=p+px; else return parseInt(sty.top)');

	if (typeof addEvent != 'function')
	{
		var addEvent = function(o, t, f, l)
		{
			var d = 'addEventListener', n = 'on' + t, rO = o, rT = t, rF = f, rL = l;
			if (o[d] && !l) return o[d](t, f, false);
			if (!o._evts) o._evts = {};
			if (!o._evts[t])
			{
				o._evts[t] = o[n] ? { b: o[n] } : {};
				o[n] = new Function('e', 'var r = true, o = this, a = o._evts["' + t + '"], i; for (i in a) {' + 'o._f = a[i]; r = o._f(e||window.event) != false && r; o._f = null;' + '} return r');
				if (t != 'unload') addEvent(window, 'unload', function()
				{
					removeEvent(rO, rT, rF, rL);
				});
			}
			if (!f._i) f._i = addEvent._i++;
				o._evts[t][f._i] = f;
		};
		addEvent._i = 1;
		var removeEvent = function(o, t, f, l)
		{
			var d = 'removeEventListener';
			if (o[d] && !l) return o[d](t, f, false);
			if (o._evts && o._evts[t] && f._i) delete o._evts[t][f._i];
		};
	}

	// *** CORE MENU OBJECT AND FUNCTIONS ***
	function FSMenu(myName, nested, cssProp, cssVis, cssHid)
	{
		// This is the base object that users create.
		// It stores menu properties, and has a 'menus' associative array to store a list of menu nodes,
		// and allow timeouts to refer to nodes by name (e.g. menuObject.menus.nodeName).
		this.myName = myName;
		this.nested = nested;
		// Some CSS settings users can specify.
		this.cssProp = cssProp;
		this.cssVis = cssVis;
		this.cssHid = cssHid;
		this.cssLitClass = 'highlighted';
		// The 'root' menu only exists for list menus, and is created in the activation function.
		// For non-nested menus, here's an imaginary node that acts as a parent to other nodes.
		this.menus = { root: new FSMenuNode('root', true, this) };
		this.menuToShow = [];
		this.mtsTimer = null;
		// Other configurable defaults.
		this.showDelay = 0;
		this.switchDelay = 125;
		this.hideDelay = 500;
		this.showOnClick = 0;
		this.hideOnClick = true;
		// Animation speeds: set to a number between 0 and 1. Larger = faster. 1 = disabled.
		this.animInSpeed = 0.2;
		this.animOutSpeed = 0.2;
		this.animations = [];

		// Free memory onunload in IE.
		//if (isIE && !isOp) addEvent(window, 'unload', new Function(myName + ' = null'));
	};

	FSMenu.prototype.show = function(mN) { 
		with (this)
		{
			// Set menuToShow to the function parameters. Use a loop to copy values so we don't leak memory.
			menuToShow.length = arguments.length;
			for (var i = 0; i < arguments.length; i++) menuToShow[i] = arguments[i];
			// Use a timer to call a virtual 'root' menu over() function for non-nested menus.
			// For nested/list menus event bubbling will call the real root menu node over() function.
			clearTimeout(mtsTimer);
			if (!nested) mtsTimer = setTimeout(myName + '.menus.root.over()', 10);
		}
	};

	FSMenu.prototype.hide = function(mN) { 
		with (this)
		{
			// Clear the above timer and route the hide event to the appropriate menu node.
			clearTimeout(mtsTimer);
			if (menus[mN]) menus[mN].out();
		}
	};

	FSMenu.prototype.hideAll = function() { with (this)
	{
		// Hides all non-root menus, mercilessly!
		for (var m in menus)
			if (menus[m].visible && !menus[m].isRoot) menus[m].hide(true);
	}};

	function FSMenuNode(id, isRoot, obj)
	{
		// Each menu is represented by a FSMenuNode object.
		// This is the node constructor function, with the properties and functions needed by that node.
		// It's passed its own name in the menus[] array, whether this is a root level menu (boolean),
		// and a reference to the parent FSMenu object.

		this.id = id;
		this.isRoot = isRoot;
		this.obj = obj;
		this.lyr = this.child = this.par = this.timer = this.visible = null;
		this.args = [];
		var node = this;

		// These next per-node over/out functions are an example of closures in JavaScript.
		// Since they're instantiated here, they can use the node's variables as if they were their own.

		this.over = function(evt) { with (node) with (obj)
		{
			// Basically, over() gets called when the onmouseover event reaches the menu container,
			// which might be a DIV or UL tag in the document. The event source is a tag inside
			// that container that calls FSMenu.show() and sets the menuToShow array (see above).
			// Browsers will then 'bubble' the event upwards, reaching this function which is set
			// as the onmouseoover/focus/click handler on a menu container. This picks up the
			// properties in menuToShow and shows the given menu as a child of this one.
			// Note that for non-nested menus there is a default timer (mtsTimer) that will mimic
			// an outermost 'root' menu that picks up the event if no other menus intercept it first.

			// Ensure NS4 calls the show/hide function within this layer first.
			if (isNS4 && evt && lyr.ref) lyr.ref.routeEvent(evt);
			// Stop this menu hiding itself and intercept the default root show handler (if any).
			clearTimeout(timer);
			clearTimeout(mtsTimer);

			// A quick check; if this menu isn't visible, show it (i.e. cancel any animation).
			if (!isRoot && !visible) node.show();

			if (menuToShow.length)
			{
				// Pull information out of menuToShow[].
				var a = menuToShow, m = a[0];
				if (!menus[m] || !menus[m].lyr.ref) menus[m] = new FSMenuNode(m, false, obj);
				// c = reference to new child menu that will be shown.
				var c = menus[m];
				// Just clear the menuToShow array and return if we're "showing" the current menu...!
				if (c == node)
				{
					menuToShow.length = 0;
					return;
				}
				// Otherwise, stop any impending show/hide of the child menu, and check if it's a new child.
				clearTimeout(c.timer);
				if (c != child && c.lyr.ref)
				{
					// We have a genuinely new child menu to show. Give it some properties, set a timer to show it.
					// Again, try and avoid memory leaks, but copy over the a/menuToShow arguments.
					c.args.length = a.length;
					for (var i = 0; i < a.length; i++) c.args[i] = a[i];
					// Decide which delay to use -- switchDelay if we already have a child menu, showDelay otherwise.
					var delay = child ? switchDelay : showDelay;
					c.timer = setTimeout('with(' + myName + ') { menus["' + c.id + '"].par = menus["' + node.id + '"]; menus["' + c.id + '"].show() }', delay ? delay : 1);
				}
				// Try, try, try to avoid leaking memory... :).
				menuToShow.length = 0;
			}

			// For non-nested menus, mimic event bubbling.
			if (!nested && par) par.over();
		}};

		this.out = function(evt) { with (node) with (obj)
		{
			// Basically the same as over(), this cancels impending events and sets a hide timer.
			if (isNS4 && evt && lyr && lyr.ref) lyr.ref.routeEvent(evt);
			clearTimeout(timer);
			// We never hide the root menu. Otherwise, mimic event-bubbling for non-nested menus.
			if (!isRoot && hideDelay >= 0)
			{
				timer = setTimeout(myName + '.menus["' + id + '"].hide()', hideDelay);
				if (!nested && par) par.out();
			}
		}};

		// Finally, now we have created our menu node, get a layer object for the right ID'd element
		// in the page, and assign it onmouseout/onmouseover events.
		// Don't do for virtual root node (in the case of non-nested menus).
		if (this.id != 'root') with (this) with (lyr = getLyr(id)) if (ref)
		{
			if (isNS4) ref.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT);
			addEvent(ref, 'mouseover', this.over);
			addEvent(ref, 'mouseout', this.out);
			// For nested UL/LI menus, assign focus/blur events for accessibility.
			if (obj.nested)
			{
				addEvent(ref, 'focus', this.over);
				addEvent(ref, 'click', this.over);
				addEvent(ref, 'blur', this.out);
			}
		}
	};

	FSMenuNode.prototype.show = function(forced) { with (this) with (obj)
	{
		// This is called to show the menu node of which it's a method.
		// It sets the parent's child to this, and hides any existing children of the parent node.
		if (!lyr || !lyr.ref) return;

		if (par)
		{
			if (par.child && par.child != this) par.child.hide();
			par.child = this;
		}

		// This is the positioning routine, it can be deleted if you're not using it.
		// It pulls values out of the stored args[] array, and uses the page.elmPos function in the
		// cross-browser code to find the pixel position of the parent item + menu.
		var offR = args[1], offX = args[2], offY = args[3], lX = 0, lY = 0, doX = ''+offX!='undefined', doY = ''+offY!='undefined';
		if (self.page && offR && (doX||doY))
		{
			with (page.elmPos(offR, par.lyr ? par.lyr.ref : 0)) lX = x, lY = y;
			if (doX) lyr.x(lX + eval(offX));
			if (doY) lyr.y(lY + eval(offY));
		}

		// Highlight the triggering element, if any.
		if (offR) lightParent(offR, 1);

		// Show the menu and trigger any 'onshow' events.
		// Also raise the parent <li> to avoid z-index issues in MSIE.
		visible = 1;
		if (obj.onshow) obj.onshow(id);
		lyr.ref.parentNode.style.zIndex = '2';
		setVis(1, forced);
	}};

	FSMenuNode.prototype.hide = function(forced) { with (this) with (obj)
	{
		// Same as show() above, but this clears the child/parent settings and hides the menu.
		if (!lyr || !lyr.ref || !visible) return;

		// This is an NS4 hack as its mouse events are notoriously unreliable. Remove as needed.
		if (isNS4 && self.isMouseIn && isMouseIn(lyr.ref)) return show();
		// Dim the triggering element.
		if (args[1]) lightParent(args[1], 0);

		// Route the hide call through any child nodes, and clear the par/child references.
		if (child) child.hide();
		if (par && par.child == this) par.child = null;

		// Hide the menu node element, trigger an 'onhide' event if set, lower the
		// parent <li> and finally show the menu.
		if (lyr)
		{
			visible = 0;
			if (obj.onhide) obj.onhide(id);
			lyr.ref.parentNode.style.zIndex = '1';
			setVis(0, forced);
		}
	}};

	FSMenuNode.prototype.lightParent = function(elm, lit) { with (this) with (obj)
	{
		// This is passed a reference to the parent triggering element, and whether it is lit or not.
		if (!cssLitClass || isNS4) return;
		// By default the cssLitClass value is appended/removed to any existing class.
		// Otherwise, if hiding, remove all trailing instances of it (in case of script errors).
		if (lit) elm.className += (elm.className?' ':'') + cssLitClass;
		else elm.className = elm.className.replace(new RegExp('(\\s*' + cssLitClass + ')+$'), '');
	}};

	FSMenuNode.prototype.setVis = function(sh, forced) { with (this) with (obj)
	{
		// This is passed two parameteres: whether its menu is shown (boolean), and
		// whether its a "forced" animation (can't be interrupted by an unforced one).
		// It sets the chosen CSS property of the menu element, and repeatedly calls itself if
		// one or more animations have been specified in the animations property.

		if (lyr.forced && !forced) return;
		lyr.forced = forced;
		lyr.timer = lyr.timer || 0;
		lyr.counter = lyr.counter || 0;
		with (lyr)
		{
			clearTimeout(timer);
			if (sh && !counter) sty[cssProp] = cssVis;
			var speed = sh ? animInSpeed : animOutSpeed;

			if (isDOM && speed < 1)
			for (var a = 0; a < animations.length; a++) animations[a](ref, counter, sh);

			counter += speed*(sh?1:-1);
			if (counter>1) { counter = 1; lyr.forced = false }
			else if (counter<0) { counter = 0; sty[cssProp] = cssHid; lyr.forced = false }
			else if (isDOM) { timer = setTimeout(myName + '.menus["' + id + '"].setVis(' + sh + ',' + forced + ')', 50) }
		}
	}};

// *** ANIMATION FUNCTIONS ***

// Here are some sample animation functions you can customise.
// These functions are called with a reference to the menu element being
// animated, an animation counter variable that changes from 0 to 1 and back,
// and whether or not the element is currently being shown.
// They must set properties of 'ref' each frame of the animation.

	FSMenu.animSwipeDown = function(ref, counter, show)
	{
		// Backup original top/margin-top, then 'swipe' movement + clipping.
		if (show && (counter == 0))
		{
			ref._fsm_styT = ref.style.top;
			ref._fsm_styMT = ref.style.marginTop;
			ref._fsm_offT = ref.offsetTop || 0;
		}
		var cP = Math.pow(Math.sin(Math.PI * counter / 2), 0.75);
		var clipY = ref.offsetHeight * (1 - cP);
		ref.style.clip = (counter == 1 ?
		((window.opera || navigator.userAgent.indexOf('KHTML') > -1) ? '' : 'rect(auto, auto, auto, auto)') : 'rect(' + clipY + 'px, ' + ref.offsetWidth + 'px, ' + ref.offsetHeight + 'px, 0)');
		if (counter == 1 || (counter < 0.01 && !show))
		{
			ref.style.top = ref._fsm_styT;
			ref.style.marginTop = ref._fsm_styMT;
		}
		else
		{
			ref.style.top = ((0 - clipY) + (ref._fsm_offT)) + 'px';
			ref.style.marginTop = '0';
		}
	};

	FSMenu.animFade = function(ref, counter, show)
	{
		// Use IE's ActiveX alpha filter or the W3C/Mozilla 'opacity' to fade menu.
		var done = (counter == 1);
		if (ref.filters)
		{
			var alpha = !done ? ' alpha(opacity=' + parseInt(counter * 100) + ')' : '';
			if (ref.style.filter.indexOf("alpha") == -1) ref.style.filter += alpha;
			else ref.style.filter = ref.style.filter.replace(/\s*alpha\([^\)]*\)/i, alpha);
		}
		else ref.style.opacity = ref.style.MozOpacity = counter / 1.001;
	};

	FSMenu.animClipDown = function(ref, counter, show)
	{
		// Clip the menu down like a 'blind'.
		var cP = Math.pow(Math.sin(Math.PI * counter / 2), 0.75);
		ref.style.clip = (counter == 1 ? ((window.opera || navigator.userAgent.indexOf('KHTML') > -1) ? '' : 'rect(auto, auto, auto, auto)') : 'rect(0, ' + ref.offsetWidth + 'px, '+ (ref.offsetHeight * cP) + 'px, 0)');
	};

	// Alternative animFade function that's faster but conflicts with animSwipeDown.
	/*
	FSMenu.animFade = function(ref, counter, show)
	{
		var f = ref.filters, done = (counter == 1);
		if (f)
		{
			if (!done && ref.style.filter.indexOf("alpha") == -1) ref.style.filter += ' alpha(opacity=' + (counter * 100) + ')';
			else if (f.length && f.alpha) with (f.alpha)
			{
				if (done) enabled = false;
				else { opacity = (counter * 100); enabled=true }
			}
		}
		else ref.style.opacity = ref.style.MozOpacity = counter / 1.001;
	};
	*/


	// *** LIST MENU ACTIVATION ***

	// This is only required for activating list-type menus.
	// You can delete it if you're using div-menus only.

	FSMenu.prototype.activateMenu = function(id, subInd) { with (this)
	{
		if (!isDOM || !document.documentElement) return;

		// First of all, disable the CSS menu behaviour.
		var fsmFB = getRef('fsmenu-fallback');
		if (fsmFB)
		{
			fsmFB.rel = 'alternate stylesheet';
			fsmFB.disabled = true;
		}

		// References to menu elements for a given level.
		var a, ul, li, parUL, mRoot = getRef(id), nodes, count = 1;

		// Loop through all sub-lists under the given menu.
		var lists = mRoot.getElementsByTagName('ul');
		for (var i = 0; i < lists.length; i++)
		{
			// Find a parent LI node, if any, by recursing upwards from the UL. Quit if not found.
			li = ul = lists[i];
			while (li)
			{
				if (li.nodeName.toLowerCase() == 'li') break;
				li = li.parentNode;
			}
			if (!li) continue;
			// Next, find the parent UL to that LI node.
			parUL = li;
			while (parUL)
			{
				if (parUL.nodeName.toLowerCase() == 'ul') break;
				parUL = parUL.parentNode;
			}

			// Now, find the anchor tag that triggers this menu; it should be a child of the LI.
			a = null;
			for (var j = 0; j < li.childNodes.length; j++)
				if (li.childNodes[j].nodeName.toLowerCase() == 'a') a = li.childNodes[j];
			if (!a) continue;

			// We've found a menu node by now, so give it an ID and event handlers.
			var menuID = myName + '-id-' + count++;
			// Only assign a new ID if it doesn't have one already.
			if (ul.id) menuID = ul.id;
			else ul.setAttribute('id', menuID);

			// Attach focus/mouse events to the triggering anchor tag.
			// Check if this link will be triggered onclick instead of onmouseover.
			// If so, we only respect mouseovers/focuses when the menu is visible from a click.
			var sOC = (showOnClick == 1 && li.parentNode == mRoot) || (showOnClick == 2);
			// Safari 1.x is buggy and crashes when you access "returnValue". Joy.
			// Also Opera defaults to "false" so use something different there.
			var evtProp = navigator.userAgent.indexOf('Safari') > -1 || isOp ? 'safRtnVal' : 'returnValue';
			// Create the functions that handle show & hide events.
			var eShow = new Function('with (' + myName + ') { ' + 'var m = menus["'+menuID+'"], pM = menus["' + parUL.id + '"];' + (sOC ? 'if ((pM && pM.child) || (m && m.visible))' : '') + ' show("' + menuID + '", this) }');
			var eHide = new Function('e', 'if (e.' + evtProp + ' != false) ' + myName + '.hide("' + menuID + '")');
			// Assign them to the <a> element.
			addEvent(a, 'mouseover', eShow);
			addEvent(a, 'focus', eShow);
			addEvent(a, 'mouseout', eHide);
			addEvent(a, 'blur', eHide);
			if (sOC) addEvent(a, 'click', new Function('e', myName + '.show("' + menuID + '", this); if (e.cancelable && e.preventDefault) e.preventDefault(); ' + 'e.' + evtProp + ' = false; return false'));

			// Prepend an arrow indicator to the anchor tag content if given.
			if (subInd) a.insertBefore(subInd.cloneNode(true), a.firstChild);
		}

		// Because IE sucks, we emulate onfocus/blur event bubbling for accessibility,
		// which allows users to tab/shift+tab through the menus.
		if (isIE && !isOp)
		{
			var aNodes = mRoot.getElementsByTagName('a');
			for (var i = 0; i < aNodes.length; i++)
			{
				// A setTimeout helps ensure the focus is always after any blur.
				addEvent(aNodes[i], 'focus', new Function('e', 'var node = this.parentNode; while(node) { ' + 'if (node.onfocus) node.onfocus(e); node = node.parentNode }'));
				addEvent(aNodes[i], 'blur', new Function('e', 'var node = this.parentNode; while(node) { ' +
				'if (node.onblur) node.onblur(e); node = node.parentNode }'));
			}
		}

		// If this menu hides its children onclick, setup that now.
		if (hideOnClick) addEvent(mRoot, 'click', new Function(myName + '.hideAll()')); 

		// Finally, create/activate the root node.
		menus[id] = new FSMenuNode(id, true, this);
	}};

	// *** DIV MENU & v4 BROWSER COMPATIBILITY ***

	// You may freely delete this section if you're only using "list" type menus.
	// This script will "run" in NS4, but I recommend you use my "Cascading Popup Menus" script if you
	// want NS4 users to have an experience comparable to users of modern browsers.
	// You can download it from my site, http://www.twinhelix.com if you're interested.

	// 'page' object from layer API code, detects positions of page elements.
	var page = { win: self, minW: 0, minH: 0, MS: isIE&&!isOp, db: document.compatMode&&document.compatMode.indexOf('CSS')>-1?'documentElement':'body' };
	page.elmPos=function(e,p)
	{
		var x=0,y=0,w=p?p:this.win;
		e=e?(e.substr?(isNS4?w.document.anchors[e]:getRef(e,w)):e):p;
		if(isNS4){if(e&&(e!=p)){x=e.x;y=e.y};if(p){x+=p.pageX;y+=p.pageY}}
		if (e && this.MS && navigator.platform.indexOf('Mac')>-1 && e.tagName=='A')
		{
			e.onfocus = new Function('with(event){self.tmpX=clientX-offsetX;' + 'self.tmpY=clientY-offsetY}');
			e.focus();x=tmpX;y=tmpY;e.blur()
		}
		else while(e){x+=e.offsetLeft;y+=e.offsetTop;e=e.offsetParent}
		return{x:x,y:y};
	};

	if (isNS4)
	{
		// Various NS4 hacks and tweaks. You can delete this if you don't care about NS4 support.

		var fsmMouseX, fsmMouseY, fsmOR=self.onresize, nsWinW=innerWidth, nsWinH=innerHeight;
		document.fsmMM=document.onmousemove;

		self.onresize = function()
		{
			if (fsmOR) fsmOR();
			if (nsWinW!=innerWidth || nsWinH!=innerHeight) location.reload();
		};

		document.captureEvents(Event.MOUSEMOVE);
		document.onmousemove = function(e)
		{
			fsmMouseX = e.pageX;
			fsmMouseY = e.pageY;
			return document.fsmMM?document.fsmMM(e):document.routeEvent(e);
		};

		function isMouseIn(sty)
		{
			with (sty) return ((fsmMouseX>left) && (fsmMouseX<left+clip.width) && (fsmMouseY>top) && (fsmMouseY<top+clip.height));
		};
	}

	// SELECT BOX / IFRAME HIDING: This will help mixing menus and forms/frames/Flash/etc.

	FSMenu.prototype.toggleElements = function(show)
	{
		if (navigator.userAgent.match(/MSIE ([\d\.]+)/))
		{
	 		// CONFIGURATION: Here's a list of tags that will be hidden by menus. Modify to fit your site.
			var tags = ['select']; // add iframe if needed, removed this for addtech banner

			if (!isDOM) return;
			for (var t in tags)
			{
				var elms = document.getElementsByTagName(tags[t]);
				for (var e = 0; e < elms.length; e++) elms[e].style.visibility = show ? 'visible' : 'hidden';
			}
		}
	};

	FSMenu.prototype.onshow = function()
	{
		this.toggleElements(0);
	};

	FSMenu.prototype.onhide = function()
	{
		for (var m in this.menus) if (this.menus[m].visible) return;
		this.toggleElements(1);
	};