TransMenu.spacerGif="/library/images/common/spacer.gif";
TransMenu.dingbatOn="/library/images/nav/submenu-on.gif";
TransMenu.dingbatOff="/library/images/nav/submenu-off.gif";
TransMenu.dingbatSize=14;
TransMenu.menuPadding=3;
TransMenu.itemPadding=5;
TransMenu.shadowSize=2;
TransMenu.shadowOffset=3;
TransMenu.shadowColor="#888";
TransMenu.shadowPng="/library/images/nav/grey-40.png";
TransMenu.backgroundColor="#b02e0d";
TransMenu.backgroundPng="/library/images/nav/white-90.png";
TransMenu.hideDelay=300;
TransMenu.slideTime=100;
showDelay=100;
TransMenu.lastDirection = null;
//==================================================================================================
// Internal use properties
//==================================================================================================
TransMenu.reference = {topLeft:1,topRight:2,bottomLeft:3,bottomRight:4};
TransMenu.direction = {down:1,right:2,left:3};
TransMenu.registry = [];
TransMenu._maxZ = 100;


TransMenu.isSupported = function() {
        var ua = navigator.userAgent.toLowerCase();
		var pf = navigator.platform.toLowerCase();
        var an = navigator.appName;
        var r = false;

        if (ua.indexOf("gecko") > -1 && navigator.productSub >= 20020605) r = true; 
        else if (an == "Microsoft Internet Explorer") {
                if (document.getElementById) { 
                        if (pf.indexOf("mac") == 0) {
							r = /msie (\d(.\d*)?)/.test(ua) && Number(RegExp.$1) >= 5.1;
						}
						else r = true;
                }
        }

        return r;
}

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


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

//==================================================================================================
// TransMenu constructor (only called internally)
//==================================================================================================
// oActuator            : The thing that causes the menu to be shown when it is mousedover. Either a
//                        reference to an HTML element, or a TransMenuItem from an existing menu.
// iDirection           : The direction to slide out. One of TransMenu.direction.
// iLeft                : Left pixel offset of menu from actuator
// iTop                 : Top pixel offset of menu from actuator
// iReferencePoint      : Corner of actuator to measure from. One of TransMenu.referencePoint.
// parentMenuSet        : Menuset this menu will be added to.
//==================================================================================================
function TransMenu(oActuator, iDirection, iLeft, iTop, iReferencePoint, parentMenuSet) {
        // public methods
        this.addItem = addItem;
        this.addMenu = addMenu;
        this.addMenuLeft = addMenuLeft;
        this.toString = toString;
        this.initialize = initialize;
        this.isOpen = false;
        this.show = show;
        this.hide = hide;
        this.items = [];

        // events
        this.onactivate = new Function();    
        this.ondeactivate = new Function(); 
        this.onmouseover = new Function();  
        this.onqueue = new Function();         
		this.ondequeue = new Function();

        // initialization
        this.index = TransMenu.registry.length;
        TransMenu.registry[this.index] = this;

        var id = "TransMenu" + this.index;
        var contentHeight = null;
        var contentWidth = null;
        var childMenuSet = null;
        var childMenuLeftSet = null;
        var animating = false;
        var childMenus = [];
        var slideAccel = -1;
        var elmCache = null;
        var ready = false;
        var _this = this;
        var a = null;

        var pos = iDirection == TransMenu.direction.down ? "top" : "left";
        var mDireciton = iDirection;
        var dim = null;

   
        function addItem(sText, sUrl) {
                var item = new TransMenuItem(sText, sUrl, this);
                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 TransMenuSet(TransMenu.direction.right, 1, 0, TransMenu.reference.topRight);

                var m = childMenuSet.addMenu(oMenuItem);

                childMenus[oMenuItem._index] = m;
                m.onmouseover = child_mouseover;
                m.ondeactivate = child_deactivate;
                m.onqueue = child_queue;
				m.ondequeue = child_dequeue;

                return m;
        }

        function addMenuLeft(oMenuItem) {
                if (!oMenuItem.parentMenu == this) throw new Error("Cannot add a menu here");

                if (childMenuSet == null) childMenuSet = new TransMenuSet(TransMenu.direction.left, 1, 0, TransMenu.reference.topRight);

                var m = childMenuSet.addMenu(oMenuItem);
				m.iDirection = TransMenu.direction.left;
                childMenus[oMenuItem._index] = m;
                m.onmouseover = child_mouseover;
                m.ondeactivate = child_deactivate;
                m.onqueue = child_queue;
				m.ondequeue = child_dequeue;

                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 = TransMenu._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 == TransMenuItem; 
                var act = sub ? oActuator.parentMenu.elmCache["item"][oActuator._index] : oActuator; 
                var el = act;
                var containerWidth = 0;
                
                var x = 0;
                var y = 6;

                
                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("transMenu") == -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 == TransMenuItem) {
                        x += parseInt(el.parentNode.style.left);
                        y += parseInt(el.parentNode.style.top);
                }

                switch (iReferencePoint) {
                        case TransMenu.reference.topLeft:
                                break;
                        case TransMenu.reference.topRight:
                                x += act.offsetWidth;
                                break;
                        case TransMenu.reference.bottomLeft:
                                y += act.offsetHeight;
                                break;
                        case TransMenu.reference.bottomRight:
                                x += act.offsetWidth;
                                y += act.offsetHeight;
                                break;
                }


				if (act.tagName == "TR" && act.childNodes[0] && act.childNodes[1] && act.offsetWidth == 0 && act.offsetHeight == 0)
				{
				
					switch (iReferencePoint)
					{
				
						case TransMenu.reference.topLeft:
								break;
				
						case TransMenu.reference.topRight:
								x += act.childNodes[1].offsetLeft + act.childNodes[1].offsetWidth;
								y += act.childNodes[0].offsetTop;
								break;
				
						case TransMenu.reference.bottomLeft:
								y += act.childNodes[0].offsetTop + act.childNodes[0].offsetHeight;
								break;
				
						case TransMenu.reference.bottomRight:
							x += act.childNodes[1].offsetLeft + act.childNodes[1].offsetWidth;
							y += act.childNodes[0].offsetTop + act.childNodes[0].offsetHeight;
							break;
					}
				}


                x += iLeft;
                y += iTop;
                
                if(iDirection == TransMenu.direction.left)
                {
					x -= parseInt(elmCache["clip"].style.width) + act.offsetWidth - 5;
                }

                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() {

                if (a != null) a.stop();
                if(mDireciton == TransMenu.direction.left)
                {
	                var x0 = _this.isOpen ? dim : parseInt(elmCache["content"].style[pos]);
		            var x1 = _this.isOpen ? 0 : dim;
	                a = new Accelimation(x0, x1, TransMenu.slideTime, slideAccel);
                }
                else
                {
	                var x0 = parseInt(elmCache["content"].style[pos]);
		            var x1 = _this.isOpen ? 0 : -dim;
	                a = new Accelimation(x0, x1, TransMenu.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 + TransMenu.shadowSize +  2 + "px";
                elmCache["clip"].style.height = oh + TransMenu.shadowSize + 2 + "px";

               
                elmCache["content"].style.width = ow + TransMenu.shadowSize + "px";
                elmCache["content"].style.height = oh + TransMenu.shadowSize + "px";

                contentHeight = oh + TransMenu.shadowSize;
                contentWidth = ow + TransMenu.shadowSize;
                
                dim = iDirection == TransMenu.direction.down ? contentHeight : contentWidth;

               
                elmCache["content"].style[pos] = -dim - TransMenu.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 = TransMenu.backgroundColor;

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

                        
                        elmCache["shadowBottom"].style.top = oh + "px";
                        elmCache["shadowBottom"].style.width = ow - TransMenu.shadowOffset + "px";
                        elmCache["shadowBottom"].style.backgroundColor = TransMenu.shadowColor;
                }
                
                else {
                       
                        elmCache["background"].firstChild.src = TransMenu.backgroundPng;
                        elmCache["background"].firstChild.width = ow;
                        elmCache["background"].firstChild.height = oh;

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

                        
                        elmCache["shadowBottom"].firstChild.src = TransMenu.shadowPng;
                        elmCache["shadowBottom"].style.top = oh + "px";
                        elmCache["shadowBottom"].firstChild.height = TransMenu.shadowSize;
                        elmCache["shadowBottom"].firstChild.width = ow - TransMenu.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 = TransMenu.dingbatOn;
        }

        function dehighlight(oRow) {
                oRow.className = "item";
                if (childMenus[oRow._index]) 
                        oRow.lastChild.firstChild.src = TransMenu.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) {
				var destUrl = _this.items[this._index].url;
				if( destUrl ) {
					if( destUrl.match("^https?:") ) {
						var newwin = window.open(destUrl, '_blank');

						try {
							newwin.focus();
						} catch( exnewwin ) {
						}
					} else {
						location.href = destUrl;
					}
				}
			}
        }

		function actuator_mouseover() {
          _this.mouseIsOver = true;
          window.setTimeout(actuator_pause,showDelay);
        }

		function actuator_pause(){
          if (_this.mouseIsOver == true){
            parentMenuSet.showMenu(_this);
          }
        }

		function actuator_mouseout() {
          _this.mouseIsOver = false;
          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 child_dequeue() {
				parentMenuSet.showMenu(_this);
		}

        function toString() {
                var aHtml = [];
                var sClassName = "transMenu" + (oActuator.constructor != TransMenuItem ? " 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="' + TransMenu.spacerGif + '" width="1" height="' + TransMenu.menuPadding + '"></td></tr>' + 
                        aHtml.join('') + 
                        '<tr><td colspan="2"><img src="' + TransMenu.spacerGif + '" width="1" height="' + TransMenu.menuPadding + '"></td></tr></table>' + 
                        '<div class="shadowBottom"><img src="' + TransMenu.spacerGif + '" width="1" height="1"></div>' + 
                        '<div class="shadowRight"><img src="' + TransMenu.spacerGif + '" width="1" height="1"></div>' + 
		        '<div class="background"><img src="' + TransMenu.spacerGif + '" width="1" height="1"></div>' + 
	                '</div></div>';
        }
}


//==================================================================================================
// TransMenuSet
//==================================================================================================
// iDirection           : The direction to slide out. One of TransMenu.direction.
// iLeft                : Left pixel offset of menus from actuator
// iTop                 : Top pixel offset of menus from actuator
// iReferencePoint      : Corner of actuator to measure from. One of TransMenu.referencePoint.
//==================================================================================================
TransMenuSet.registry = [];

function TransMenuSet(iDirection, iLeft, iTop, iReferencePoint) {
        
        this.addMenu = addMenu;
        this.showMenu = showMenu;
        this.hideMenu = hideMenu;
        this.hide = hide;
        this.hideCurrent = hideCurrent;

     
        var menus = [];
        var _this = this;
        var current = null;

        this.index = TransMenuSet.registry.length;
        TransMenuSet.registry[this.index] = this;

    
        function addMenu(oActuator) {
                var m = new TransMenu(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("TransMenuSet.registry[" + _this.index + "].hide(TransMenu.registry[" + oMenu.index + "])", TransMenu.hideDelay);
        }

        function cancelHide(oMenu) {
                
                if (oMenu.hideTimer) {
						oMenu.ondequeue();
                        window.clearTimeout(oMenu.hideTimer);
                        oMenu.hideTimer = null;
                }
        }

        function hide(oMenu) {   
                if (!oMenu && current) oMenu = current;

                if (oMenu && current == oMenu && oMenu.isOpen) {
                        hideCurrent();
                }
        }

        function hideCurrent() {
				if (null != current) {
					cancelHide(current);
					current.hideTimer = null;
					current.hide();
					current = null;
				}
        }
}

//==================================================================================================
// TransMenuItem (internal)
// represents an item in a dropdown
//==================================================================================================
// sText        : The item display text
// sUrl         : URL to load when the item is clicked
// oParent      : Menu this item is a part of
//==================================================================================================
function TransMenuItem(sText, sUrl, oParent) {
        this.toString = toString;
        this.text = sText;
        this.url = sUrl;
        this.parentMenu = oParent;

        function toString(bDingbat) {
                var sDingbat = bDingbat ? TransMenu.dingbatOff : TransMenu.spacerGif;
                var iEdgePadding = TransMenu.itemPadding + TransMenu.menuPadding;
                var sPaddingLeft = "padding:" + TransMenu.itemPadding + "px; padding-left:" + iEdgePadding + "px;"
                var sPaddingRight = "padding:" + TransMenu.itemPadding + "px; padding-right:" + iEdgePadding + "px;"

                return '<tr class="item"><td nowrap style="' + sPaddingLeft + '">' + 
                        sText + '</td><td width="14" style="' + sPaddingRight + '">' + 
                        '<img src="' + sDingbat + '" width="14" height="14"></td></tr>';
        }
}

//=====================================================================
// Accel[erated] [an]imation object
// change a property of an object over time in an accelerated fashion
//=====================================================================
// obj  : reference to the object whose property you'd like to animate
// prop : property you would like to change eg: "left"
// to   : final value of prop
// time : time the animation should take to run
// zip	: optional. specify the zippiness of the acceleration. pick a 
//		  number between -1 and 1 where -1 is full decelerated, 1 is 
//		  full accelerated, and 0 is linear (no acceleration). default
//		  is 0.
// unit	: optional. specify the units for use with prop. default is 
//		  "px".
//=====================================================================


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;



if (window.attachEvent) {
	var cearElementProps = [
		'data',
		'onmouseover',
		'onmouseout',
		'onmousedown',
		'onmouseup',
		'ondblclick',
		'onclick',
		'onselectstart',
		'oncontextmenu'
	];

	window.attachEvent("onunload", function() {
        var el;
        for(var d = document.all.length;d--;){
            el = document.all[d];
            for(var c = cearElementProps.length;c--;){
                el[cearElementProps[c]] = null;
            }
        }
	});
}