mtDropDown.spacerGif = ""; 
mtDropDown.dingbatOn = ""; 
mtDropDown.dingbatOff = ""; 
mtDropDown.dingbatSize = 14; 
mtDropDown.menuPadding = 1; 
mtDropDown.itemPadding = 4; 
mtDropDown.shadowSize = 2; 
mtDropDown.shadowOffset = 3; 
mtDropDown.shadowColor = "#888"; 
mtDropDown.shadowPng = ""; 
mtDropDown.backgroundColor = "#FFFFFF"; 
mtDropDown.backgroundPng = ""; 
mtDropDown.hideDelay = 200; 
mtDropDown.slideTime = 300;

mtDropDown.reference = {topLeft:1,topRight:2,bottomLeft:3,bottomRight:4};
mtDropDown.direction = {down:1,right:2};
mtDropDown.registry = [];
mtDropDown._maxZ = 100;
mtDropDown.isSupported = function() {
if (typeof mtDropDown.isSupported.r == "boolean") 
   return mtDropDown.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; 
}

mtDropDown.isSupported.r = r;
return r;
}

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

mtDropDown.renderAll = function() {
var aMenuHtml = [];
for (var i = 0, menu = null; menu = this.registry[i]; i++) {
   aMenuHtml[i] = menu.toString();
}

document.write(aMenuHtml.join(""));
}

/////////////////////////////// class mtDropDown BEGINS /////////////

function mtDropDown(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.onactivate = new Function(); 
this.ondeactivate = new Function(); 
this.onmouseover = new Function(); 
this.onqueue = new Function();

this.index = mtDropDown.registry.length;
mtDropDown.registry[this.index] = this;
var id = "mtDropDown" + 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 == mtDropDown.direction.down ? "top" : "left";
var dim = null;

function addItem(sText, sUrl) {
   var item = new mtDropDownItem(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 mtDropDownSet(mtDropDown.direction.right, -5, 2, mtDropDown.reference.topRight);
   var m = childMenuSet.addMenu(oMenuItem);
   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 = mtDropDown._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 == mtDropDownItem; 
   var act = sub ? oActuator.parentMenu.elmCache["item"][oActuator._index] : oActuator; 
   var el = act;
   var x = 0;
   var y = 0;
   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("mtDropdownMenu") == -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 == mtDropDownItem) {
    x += parseInt(el.parentNode.style.left);
    y += parseInt(el.parentNode.style.top);
   }

   switch (iReferencePoint) {
    case mtDropDown.reference.topLeft:
    break;

    case mtDropDown.reference.topRight:
    x += act.offsetWidth;
    break;

    case mtDropDown.reference.bottomLeft:
    y += act.offsetHeight;
    break;

    case mtDropDown.reference.bottomRight:
    x += act.offsetWidth;
    y += act.offsetHeight;
    break;
   }

   x += iLeft;
   y += iTop + 4;    // Original: 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, mtDropDown.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 + mtDropDown.shadowSize + 2 + "px";
   elmCache["clip"].style.height = oh + mtDropDown.shadowSize + 2 + "px";

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

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

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


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

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

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

function dehighlight(oRow) {
   oRow.className = "item";
   if (childMenus[oRow._index]) 
    oRow.lastChild.firstChild.src = mtDropDown.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) 
     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 = "mtDropdownMenu" + (oActuator.constructor != mtDropDownItem ? " 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="' + mtDropDown.spacerGif + '" width="1" height="' + mtDropDown.menuPadding + '"></td></tr>' + 
   aHtml.join('') + 
   '<tr><td colspan="2"><img src="' + mtDropDown.spacerGif + '" width="1" height="' + mtDropDown.menuPadding + '"></td></tr></table>' + 
   '<div class="shadowBottom"><img src="' + mtDropDown.spacerGif + '" width="1" height="1"></div>' + 
   '<div class="shadowRight"><img src="' + mtDropDown.spacerGif + '" width="1" height="1"></div>' + 
   '<div class="background"><img src="' + mtDropDown.spacerGif + '" width="1" height="1"></div>' + 
   '</div></div>';
}
}

/////////////////////////////// class mtDropDown ENDS /////////////

mtDropDownSet.registry = [];
function mtDropDownSet(iDirection, iLeft, iTop, iReferencePoint) {

this.addMenu = addMenu;
this.showMenu = showMenu;
this.hideMenu = hideMenu;
this.hide = hide;

var menus = [];
var _this = this;
var current = null;
this.index = mtDropDownSet.registry.length;
mtDropDownSet.registry[this.index] = this;

function addMenu(oActuator) {
   var m = new mtDropDown(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("mtDropDownSet.registry[" + _this.index + "].hide(mtDropDown.registry[" + oMenu.index + "])", mtDropDown.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 mtDropDownItem(sText, sUrl, oParent) {
this.toString = toString;
this.text = sText;
this.url = sUrl;
this.parentMenu = oParent;

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

   return '<tr class="item"><td width="100" nowrap style="line-height:14px;' + sPaddingLeft + '">' + 
   sText + '</td></tr>'; 
}
}

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;