papichDropDown.spacerGif = urlRoot + "/images/x.gif";
papichDropDown.dingbatOn = urlRoot + "/images/expand-1.gif";
papichDropDown.dingbatOff = urlRoot + "/images/expand-0.gif";
papichDropDown.dingbatSize = 14;
papichDropDown.menuPadding = 1;
papichDropDown.itemPadding = 4;
papichDropDown.shadowSize = 2;
papichDropDown.shadowOffset = 3;
papichDropDown.shadowColor = "#888";
papichDropDown.shadowPng = urlRoot + "/images/grey-40.png";
papichDropDown.backgroundColor = "#E6E6E6";
papichDropDown.backgroundPng = urlRoot + "/images/white-90.png";
papichDropDown.hideDelay = 1000;
papichDropDown.slideTime = 200;

papichDropDown.reference = {topLeft:1,topRight:2,bottomLeft:3,bottomRight:4};
papichDropDown.direction = {down:1,right:2};
papichDropDown.registry = [];
papichDropDown._maxZ = 100;

papichDropDown.isSupported = function() {
    if (typeof papichDropDown.isSupported.r == "boolean")
        return papichDropDown.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;
    }
    papichDropDown.isSupported.r = r;
    return r;
}

papichDropDown.initialize = function() {
    for (var i = 0, menu = null; menu = this.registry[i]; i++) {
        menu.initialize();
    }
}

papichDropDown.renderAll = function() {
    var aMenuHtml = [];
    for (var i = 0, menu = null; menu = this.registry[i]; i++) {
        aMenuHtml[i] = menu.toString();
    }
    document.write(aMenuHtml.join(""));
}

function papichDropDown(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 = papichDropDown.registry.length;
papichDropDown.registry[this.index] = this;
var id = "papichDropDown" + 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 == papichDropDown.direction.down ? "top" : "left";
var dim = null;

function addItem(sText, sUrl) {
var item = new papichDropDownItem(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 papichDropDownSet(papichDropDown.direction.right, -5, 2, papichDropDown.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 = papichDropDown._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 == papichDropDownItem;
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("papichDropDownMenu") == -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 == papichDropDownItem) {
x += parseInt(el.parentNode.style.left);
y += parseInt(el.parentNode.style.top);
}
switch (iReferencePoint) {
case papichDropDown.reference.topLeft:
break;
case papichDropDown.reference.topRight:
x += act.offsetWidth;
break;
case papichDropDown.reference.bottomLeft:
y += act.offsetHeight;
break;
case papichDropDown.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, papichDropDown.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 + papichDropDown.shadowSize + 2 + "px";
elmCache["clip"].style.height = oh + papichDropDown.shadowSize + 2 + "px";

elmCache["content"].style.width = ow + papichDropDown.shadowSize + "px";
elmCache["content"].style.height = oh + papichDropDown.shadowSize + "px";
contentHeight = oh + papichDropDown.shadowSize;
contentWidth = ow + papichDropDown.shadowSize;
dim = iDirection == papichDropDown.direction.down ? contentHeight : contentWidth;

elmCache["content"].style[pos] = -dim - papichDropDown.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 = papichDropDown.backgroundColor;

elmCache["shadowRight"].style.left = ow + "px";
elmCache["shadowRight"].style.height = oh - (papichDropDown.shadowOffset - papichDropDown.shadowSize) + "px";
elmCache["shadowRight"].style.backgroundColor = papichDropDown.shadowColor;



elmCache["shadowBottom"].style.top = oh + "px";
elmCache["shadowBottom"].style.width = ow - papichDropDown.shadowOffset + "px";
elmCache["shadowBottom"].style.backgroundColor = papichDropDown.shadowColor;
}

else {

elmCache["background"].firstChild.src = papichDropDown.backgroundPng;
elmCache["background"].firstChild.width = ow;
elmCache["background"].firstChild.height = oh;

elmCache["shadowRight"].firstChild.src = papichDropDown.shadowPng;
elmCache["shadowRight"].style.left = ow + "px";
elmCache["shadowRight"].firstChild.width = papichDropDown.shadowSize;
elmCache["shadowRight"].firstChild.height = oh - (papichDropDown.shadowOffset - papichDropDown.shadowSize);



elmCache["shadowBottom"].firstChild.src = papichDropDown.shadowPng;
elmCache["shadowBottom"].style.top = oh + "px";
elmCache["shadowBottom"].firstChild.height = papichDropDown.shadowSize;
elmCache["shadowBottom"].firstChild.width = ow - papichDropDown.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 = papichDropDown.dingbatOn;
}
function dehighlight(oRow) {
oRow.className = "item";
if (childMenus[oRow._index])
oRow.lastChild.firstChild.src = papichDropDown.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()
{

	//  This function has been modified to facilitate selective hiding of the
	//  select menu, which is rendered in front of the Investor Relations menu
	//  in Internet Explorer 6 for Windows.

	if (this.id == 'menu5' && document.getElementById('HomePageLinks')) { document.getElementById('HomePageLinks').style.visibility = 'hidden'; }

	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 = "papichDropDownMenu" + (oActuator.constructor != papichDropDownItem ? " 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="' + papichDropDown.spacerGif + '" width="1" height="' + papichDropDown.menuPadding + '"></td></tr>' +
aHtml.join('') +
'<tr><td colspan="2"><img src="' + papichDropDown.spacerGif + '" width="1" height="' + papichDropDown.menuPadding + '"></td></tr></table>' +
'<div class="shadowBottom"><img src="' + papichDropDown.spacerGif + '" width="1" height="1"></div>' +
'<div class="shadowRight"><img src="' + papichDropDown.spacerGif + '" width="1" height="1"></div>' +
'<div class="background"><img src="' + papichDropDown.spacerGif + '" width="1" height="1"></div>' +
'</div></div>';
}
}

papichDropDownSet.registry = [];
function papichDropDownSet(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 = papichDropDownSet.registry.length;
papichDropDownSet.registry[this.index] = this;

function addMenu(oActuator) {
    var m = new papichDropDown(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("papichDropDownSet.registry[" + _this.index + "].hide(papichDropDown.registry[" + oMenu.index + "])", papichDropDown.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 papichDropDownItem(sText, sUrl, oParent) {
    this.toString = toString;
    this.text = sText;
    this.url = sUrl;
    this.parentMenu = oParent;
    function toString(bDingbat) {
        var sDingbat = bDingbat ? papichDropDown.dingbatOff : papichDropDown.spacerGif;
        var iEdgePadding = papichDropDown.itemPadding + papichDropDown.menuPadding;
        var sPaddingLeft = "padding:" + papichDropDown.itemPadding + "px; padding-left:" + iEdgePadding + "px;"
        var sPaddingRight = "padding:" + papichDropDown.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>';
    }
}

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;