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-/* =================================================================================================
- * TransMenu
- * March, 2003
- *
- * Customizable multi-level animated DHTML menus with transparency.
- *
- * Copyright 2003-2004, Aaron Boodman (www.youngpup.net)
- * =================================================================================================
- * "Can I use this?"
- *
- * Use of this library is governed by the Creative Commons Attribution 2.0 License. You can check it
- * out at: http://creativecommons.org/licenses/by/2.0/
- *
- * Basically: You may copy, distribute, and eat this code as you wish. But you must give me credit
- * for writing it. You may not misrepresent yourself as the author of this code.
- * =================================================================================================
- * "It's kinda hard to read, though"
- *
- * The uncompressed, commented version of this script can be found at:
- * http://youngpup.net/projects/transMenus
- * =================================================================================================
- * updates:
- * 04.19.04 fixed cascade problem with menus nested greater than two levels.
- * 12.23.03 added hideCurrent for menu actuators with no menus. renamed to TransMenu.
- * 04.18.03 fixed render bug in IE 5.0 Mac by removing that browser from compatibility table ;)
- * also made gecko check a little more strict by specifying build no.
- * ============================================================================================== */
-
-
-
-//==================================================================================================
-// Configuration properties
-//==================================================================================================
-TransMenu.spacerGif = "themes/nervecenter/javascript/img/x.gif"; // path to a transparent spacer gif
-TransMenu.dingbatOn = "themes/nervecenter/javascript/img/submenu-on.gif"; // path to the active sub menu dingbat
-TransMenu.dingbatOff = "themes/nervecenter/javascript/img/submenu-off.gif"; // path to the inactive sub menu dingbat
-TransMenu.dingbatSize = 14; // size of the dingbat (square shape assumed)
-TransMenu.menuPadding = 5; // padding between menu border and items grid
-TransMenu.itemPadding = 3; // additional padding around each item
-TransMenu.shadowSize = 2; // size of shadow under menu
-TransMenu.shadowOffset = 3; // distance shadow should be offset from leading edge
-TransMenu.shadowColor = "#FF0000"; // color of shadow (transparency is set in CSS)
-TransMenu.shadowPng = "themes/nervecenter/javascript/img/grey-40.png"; // a PNG graphic to serve as the shadow for mac IE5
-TransMenu.backgroundColor = "#990000"; // color of the background (transparency set in CSS)
-TransMenu.backgroundPng = "themes/nervecenter/javascript/img/white-90.png"; // a PNG graphic to server as the background for mac IE5
-TransMenu.hideDelay = 1000; // number of milliseconds to wait before hiding a menu
-TransMenu.slideTime = 400; // number of milliseconds it takes to open and close a menu
-
-
-//==================================================================================================
-// Internal use properties
-//==================================================================================================
-TransMenu.reference = {topLeft:1,topRight:2,bottomLeft:3,bottomRight:4};
-TransMenu.direction = {down:1,right:2};
-TransMenu.registry = [];
-TransMenu._maxZ = 100;
-
-
-
-//==================================================================================================
-// Static methods
-//==================================================================================================
-// supporting win ie5+, mac ie5.1+ and gecko >= mozilla 1.0
-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; // gecko >= moz 1.0
- else if (an == "Microsoft Internet Explorer") {
- if (document.getElementById) { // ie5.1+ mac,win
- if (pf.indexOf("mac") == 0) {
- r = /msie (\d(.\d*)?)/.test(ua) && Number(RegExp.$1) >= 5.1;
- }
- else r = true;
- }
- }
-
- return r;
-}
-
-// call this in onload once menus have been created
-TransMenu.initialize = function() {
- for (var i = 0, menu = null; menu = this.registry[i]; i++) {
- menu.initialize();
- }
-}
-
-// call this in document body to write out menu html
-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.toString = toString;
- this.initialize = initialize;
- this.isOpen = false;
- this.show = show;
- this.hide = hide;
- this.items = [];
-
- // events
- this.onactivate = new Function(); // when the menu starts to slide open
- this.ondeactivate = new Function(); // when the menu finishes sliding closed
- this.onmouseover = new Function(); // when the menu has been moused over
- this.onqueue = new Function(); // hack .. when the menu sets a timer to be closed a little while in the future
- 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 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 dim = null;
-
- // private and public method implimentations
- 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, -5, 2, 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 initialize() {
- initCache();
- initEvents();
- initSize();
- ready = true;
- }
-
- function show() {
- //dbg_dump("show");
- if (ready) {
- _this.isOpen = true;
- animating = true;
- setContainerPos();
- elmCache["clip"].style.visibility = "visible";
- elmCache["clip"].style.zIndex = TransMenu._maxZ++;
- //dbg_dump("maxZ: " + 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 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);
-
- // add up all offsets... subtract any scroll offset
- 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;
- }
-
- 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, 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() {
- // everything is based off the size of the items table...
- var ow = elmCache["items"].offsetWidth;
- var oh = elmCache["items"].offsetHeight;
- var ua = navigator.userAgent.toLowerCase();
-
- // clipping container should be ow/oh + the size of the shadow
- elmCache["clip"].style.width = ow + TransMenu.shadowSize + 2 + "px";
- elmCache["clip"].style.height = oh + TransMenu.shadowSize + 2 + "px";
-
- // same with content...
- 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;
-
- // set initially closed
- elmCache["content"].style[pos] = -dim - TransMenu.shadowSize + "px";
- elmCache["clip"].style.visibility = "hidden";
-
- // if *not* mac/ie 5
- if (ua.indexOf("mac") == -1 || ua.indexOf("gecko") > -1) {
- // set background div to offset size
- elmCache["background"].style.width = ow + "px";
- elmCache["background"].style.height = oh + "px";
- elmCache["background"].style.backgroundColor = TransMenu.backgroundColor;
-
- // shadow left starts at offset left and is offsetHeight pixels high
- elmCache["shadowRight"].style.left = ow + "px";
- elmCache["shadowRight"].style.height = oh - (TransMenu.shadowOffset - TransMenu.shadowSize) + "px";
- elmCache["shadowRight"].style.backgroundColor = TransMenu.shadowColor;
-
- // shadow bottom starts at offset height and is offsetWidth - shadowOffset
- // pixels wide (we don't want the bottom and right shadows to overlap or we
- // get an extra bright bottom-right corner)
- elmCache["shadowBottom"].style.top = oh + "px";
- elmCache["shadowBottom"].style.width = ow - TransMenu.shadowOffset + "px";
- elmCache["shadowBottom"].style.backgroundColor = TransMenu.shadowColor;
- }
- // mac ie is a little different because we use a PNG for the transparency
- else {
- // set background div to offset size
- elmCache["background"].firstChild.src = TransMenu.backgroundPng;
- elmCache["background"].firstChild.width = ow;
- elmCache["background"].firstChild.height = oh;
-
- // shadow left starts at offset left and is offsetHeight pixels high
- 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);
-
- // shadow bottom starts at offset height and is offsetWidth - shadowOffset
- // pixels wide (we don't want the bottom and right shadows to overlap or we
- // get an extra bright bottom-right corner)
- 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("*"); // IE/win doesn't support * syntax, but does have the document.all thing
-
- 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;
- }
- }
-
- // hack!
- _this.elmCache = elmCache;
- }
-
- function initEvents() {
- // hook item mouseover
- for (var i = 0, item = null; item = elmCache.item[i]; i++) {
- item.onmouseover = item_mouseover;
- item.onmouseout = item_mouseout;
- item.onclick = item_click;
- }
-
- // hook actuation
- if (typeof oActuator.tagName != "undefined") {
- oActuator.onmouseover = actuator_mouseover;
- oActuator.onmouseout = actuator_mouseout;
- }
-
- // hook menu mouseover
- 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 // otherwise child_deactivate will do this
- 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 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) {
- // public methods
- this.addMenu = addMenu;
- this.showMenu = showMenu;
- this.hideMenu = hideMenu;
- this.hide = hide;
- this.hideCurrent = hideCurrent;
-
- // initialization
- var menus = [];
- var _this = this;
- var current = null;
-
- this.index = TransMenuSet.registry.length;
- TransMenuSet.registry[this.index] = this;
-
- // method implimentations...
- 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) {
- // close currently open menu
- if (current != null) hide(current);
-
- // set current menu to this one
- current = oMenu;
-
- // if this menu is closed, open it
- oMenu.show();
- }
- else {
- // hide pending calls to close this menu
- cancelHide(oMenu);
- }
- }
-
- function hideMenu(oMenu) {
- //dbg_dump("hideMenu a " + oMenu.index);
- if (current == oMenu && oMenu.isOpen) {
- //dbg_dump("hideMenu b " + oMenu.index);
- if (!oMenu.hideTimer) scheduleHide(oMenu);
- }
- }
-
- function scheduleHide(oMenu) {
- //dbg_dump("scheduleHide " + oMenu.index);
- oMenu.onqueue();
- oMenu.hideTimer = window.setTimeout("TransMenuSet.registry[" + _this.index + "].hide(TransMenu.registry[" + oMenu.index + "])", TransMenu.hideDelay);
- }
-
- function cancelHide(oMenu) {
- //dbg_dump("cancelHide " + oMenu.index);
- 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".
-//=====================================================================
-// bezier functions lifted from the lib_animation.js file in the
-// 13th Parallel API. www.13thparallel.org
-//=====================================================================
-
-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();
-}
-
-
-
-//=====================================================================
-// public methods
-//=====================================================================
-
-// after you create an accelimation, you call this to start it-a runnin'
-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);
-}
-
-// and if you need to stop it early for some reason...
-Accelimation.prototype.stop = function() {
- Accelimation._remove(this);
-}
-
-
-
-//=====================================================================
-// private methods
-//=====================================================================
-
-// paints one frame. gets called by Accelimation._paintAll.
-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();
-}
-
-// ends the animation
-Accelimation.prototype._end = function() {
- Accelimation._remove(this);
- this.onframe(this.x1);
- this.onend();
-}
-
-
-
-
-//=====================================================================
-// static methods (all private)
-//=====================================================================
-
-// add a function to the list of ones to call periodically
-Accelimation._add = function(o) {
- var index = this.instances.length;
- this.instances[index] = o;
- // if this is the first one, start the engine
- if (this.instances.length == 1) {
- this.timerID = window.setInterval("Accelimation._paintAll()", this.targetRes);
- }
-}
-
-// remove a function from the list
-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 that was the last one, stop the engine
- if (this.instances.length == 0) {
- window.clearInterval(this.timerID);
- this.timerID = null;
- }
-}
-
-// "engine" - call each function in the list every so often
-Accelimation._paintAll = function() {
- var now = new Date().getTime();
- for (var i = 0; i < this.instances.length; i++) {
- this.instances[i]._paint(now);
- }
-}
-
-
-// Bezier functions:
-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) }
-
-
-//Finds the coordinates of a point at a certain stage through a bezier curve
-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);
-}
-
-
-//=====================================================================
-// static properties
-//=====================================================================
-
-Accelimation.instances = [];
-Accelimation.targetRes = 10;
-Accelimation.timerID = null;
-
-
-//=====================================================================
-// IE win memory cleanup
-//=====================================================================
-
-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;
- }
- }
- });
-} \ No newline at end of file
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