mtDropDown.spacerGif="/js/images/11.gif";
mtDropDown.dingbatOn="images/22.gif";
mtDropDown.dingbatOff="images/22.gif";
mtDropDown.dingbatSize=14;
mtDropDown.menuPadding=5;
mtDropDown.itemPadding=4;
mtDropDown.shadowSize=2;
mtDropDown.shadowOffset=3;
mtDropDown.shadowColor="#888";
mtDropDown.shadowPng="/_images/grey-40.png";
mtDropDown.backgroundColor="white";
mtDropDown.backgroundPng="/_images/white-90.png";
mtDropDown.hideDelay=2000;
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(""));
}
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;
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 '' +
'
' +
' |
' +
aHtml.join('') +
' |
' +
'
' +
'
' +
'
' +
'
| ' +
sText + ' | ' +
' |
';
}
}
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;