The Tor Browser: testing/mochitest/MochiKit/Visual.js@6474c204b198 (annotated)

testing/mochitest/MochiKit/Visual.js@6474c204b198 (annotated)

testing/mochitest/MochiKit/Visual.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /***
 MochiKit.Visual 1.4
 See <http://mochikit.com/> for documentation, downloads, license, etc.
 (c) 2005 Bob Ippolito and others.  All rights Reserved.
 ***/
 if (typeof(dojo) != 'undefined') {
     dojo.provide('MochiKit.Visual');
     dojo.require('MochiKit.Base');
     dojo.require('MochiKit.DOM');
     dojo.require('MochiKit.Style');
     dojo.require('MochiKit.Color');
 }
 if (typeof(JSAN) != 'undefined') {
     JSAN.use("MochiKit.Base", []);
     JSAN.use("MochiKit.DOM", []);
     JSAN.use("MochiKit.Style", []);
     JSAN.use("MochiKit.Color", []);
 }
 try {
     if (typeof(MochiKit.Base) === 'undefined' ||
         typeof(MochiKit.DOM) === 'undefined' ||
         typeof(MochiKit.Style) === 'undefined' ||
         typeof(MochiKit.Color) === 'undefined') {
         throw "";
     }
 } catch (e) {
     throw "MochiKit.Visual depends on MochiKit.Base, MochiKit.DOM, MochiKit.Style and MochiKit.Color!";
 }
 if (typeof(MochiKit.Visual) == "undefined") {
     MochiKit.Visual = {};
 }
 MochiKit.Visual.NAME = "MochiKit.Visual";
 MochiKit.Visual.VERSION = "1.4";
 MochiKit.Visual.__repr__ = function () {
     return "[" + this.NAME + " " + this.VERSION + "]";
 };
 MochiKit.Visual.toString = function () {
     return this.__repr__();
 };
 MochiKit.Visual._RoundCorners = function (e, options) {
     e = MochiKit.DOM.getElement(e);
     this._setOptions(options);
     if (this.options.__unstable__wrapElement) {
         e = this._doWrap(e);
     }
     var color = this.options.color;
     var C = MochiKit.Color.Color;
     if (this.options.color === "fromElement") {
         color = C.fromBackground(e);
     } else if (!(color instanceof C)) {
         color = C.fromString(color);
     }
     this.isTransparent = (color.asRGB().a <= 0);
     var bgColor = this.options.bgColor;
     if (this.options.bgColor === "fromParent") {
         bgColor = C.fromBackground(e.offsetParent);
     } else if (!(bgColor instanceof C)) {
         bgColor = C.fromString(bgColor);
     }
     this._roundCornersImpl(e, color, bgColor);
 };
 MochiKit.Visual._RoundCorners.prototype = {
     _doWrap: function (e) {
         var parent = e.parentNode;
         var doc = MochiKit.DOM.currentDocument();
         if (typeof(doc.defaultView) === "undefined"
             || doc.defaultView === null) {
             return e;
         }
         var style = doc.defaultView.getComputedStyle(e, null);
         if (typeof(style) === "undefined" || style === null) {
             return e;
         }
         var wrapper = MochiKit.DOM.DIV({"style": {
             display: "block",
             // convert padding to margin
             marginTop: style.getPropertyValue("padding-top"),
             marginRight: style.getPropertyValue("padding-right"),
             marginBottom: style.getPropertyValue("padding-bottom"),
             marginLeft: style.getPropertyValue("padding-left"),
             // remove padding so the rounding looks right
             padding: "0px"
             /*
             paddingRight: "0px",
             paddingLeft: "0px"
             */
         }});
         wrapper.innerHTML = e.innerHTML;
         e.innerHTML = "";
         e.appendChild(wrapper);
         return e;
     },
     _roundCornersImpl: function (e, color, bgColor) {
         if (this.options.border) {
             this._renderBorder(e, bgColor);
         }
         if (this._isTopRounded()) {
             this._roundTopCorners(e, color, bgColor);
         }
         if (this._isBottomRounded()) {
             this._roundBottomCorners(e, color, bgColor);
         }
     },
     _renderBorder: function (el, bgColor) {
         var borderValue = "1px solid " + this._borderColor(bgColor);
         var borderL = "border-left: "  + borderValue;
         var borderR = "border-right: " + borderValue;
         var style = "style='" + borderL + ";" + borderR +  "'";
         el.innerHTML = "<div " + style + ">" + el.innerHTML + "</div>";
     },
     _roundTopCorners: function (el, color, bgColor) {
         var corner = this._createCorner(bgColor);
         for (var i = 0; i < this.options.numSlices; i++) {
             corner.appendChild(
                 this._createCornerSlice(color, bgColor, i, "top")
             );
         }
         el.style.paddingTop = 0;
         el.insertBefore(corner, el.firstChild);
     },
     _roundBottomCorners: function (el, color, bgColor) {
         var corner = this._createCorner(bgColor);
         for (var i = (this.options.numSlices - 1); i >= 0; i--) {
             corner.appendChild(
                 this._createCornerSlice(color, bgColor, i, "bottom")
             );
         }
         el.style.paddingBottom = 0;
         el.appendChild(corner);
     },
     _createCorner: function (bgColor) {
         var dom = MochiKit.DOM;
         return dom.DIV({style: {backgroundColor: bgColor.toString()}});
     },
     _createCornerSlice: function (color, bgColor, n, position) {
         var slice = MochiKit.DOM.SPAN();
         var inStyle = slice.style;
         inStyle.backgroundColor = color.toString();
         inStyle.display = "block";
         inStyle.height = "1px";
         inStyle.overflow = "hidden";
         inStyle.fontSize = "1px";
         var borderColor = this._borderColor(color, bgColor);
         if (this.options.border && n === 0) {
             inStyle.borderTopStyle = "solid";
             inStyle.borderTopWidth = "1px";
             inStyle.borderLeftWidth = "0px";
             inStyle.borderRightWidth = "0px";
             inStyle.borderBottomWidth = "0px";
             // assumes css compliant box model
             inStyle.height = "0px";
             inStyle.borderColor = borderColor.toString();
         } else if (borderColor) {
             inStyle.borderColor = borderColor.toString();
             inStyle.borderStyle = "solid";
             inStyle.borderWidth = "0px 1px";
         }
         if (!this.options.compact && (n == (this.options.numSlices - 1))) {
             inStyle.height = "2px";
         }
         this._setMargin(slice, n, position);
         this._setBorder(slice, n, position);
         return slice;
     },
     _setOptions: function (options) {
         this.options = {
             corners: "all",
             color: "fromElement",
             bgColor: "fromParent",
             blend: true,
             border: false,
             compact: false,
             __unstable__wrapElement: false
         };
         MochiKit.Base.update(this.options, options);
         this.options.numSlices = (this.options.compact ? 2 : 4);
     },
     _whichSideTop: function () {
         var corners = this.options.corners;
         if (this._hasString(corners, "all", "top")) {
             return "";
         }
         var has_tl = (corners.indexOf("tl") != -1);
         var has_tr = (corners.indexOf("tr") != -1);
         if (has_tl && has_tr) {
             return "";
         }
         if (has_tl) {
             return "left";
         }
         if (has_tr) {
             return "right";
         }
         return "";
     },
     _whichSideBottom: function () {
         var corners = this.options.corners;
         if (this._hasString(corners, "all", "bottom")) {
             return "";
         }
         var has_bl = (corners.indexOf('bl') != -1);
         var has_br = (corners.indexOf('br') != -1);
         if (has_bl && has_br) {
             return "";
         }
         if (has_bl) {
             return "left";
         }
         if (has_br) {
             return "right";
         }
         return "";
     },
     _borderColor: function (color, bgColor) {
         if (color == "transparent") {
             return bgColor;
         } else if (this.options.border) {
             return this.options.border;
         } else if (this.options.blend) {
             return bgColor.blendedColor(color);
         }
         return "";
     },
     _setMargin: function (el, n, corners) {
         var marginSize = this._marginSize(n) + "px";
         var whichSide = (
             corners == "top" ? this._whichSideTop() : this._whichSideBottom()
         );
         var style = el.style;
         if (whichSide == "left") {
             style.marginLeft = marginSize;
             style.marginRight = "0px";
         } else if (whichSide == "right") {
             style.marginRight = marginSize;
             style.marginLeft = "0px";
         } else {
             style.marginLeft = marginSize;
             style.marginRight = marginSize;
         }
     },
     _setBorder: function (el, n, corners) {
         var borderSize = this._borderSize(n) + "px";
         var whichSide = (
             corners == "top" ? this._whichSideTop() : this._whichSideBottom()
         );
         var style = el.style;
         if (whichSide == "left") {
             style.borderLeftWidth = borderSize;
             style.borderRightWidth = "0px";
         } else if (whichSide == "right") {
             style.borderRightWidth = borderSize;
             style.borderLeftWidth = "0px";
         } else {
             style.borderLeftWidth = borderSize;
             style.borderRightWidth = borderSize;
         }
     },
     _marginSize: function (n) {
         if (this.isTransparent) {
             return 0;
         }
         var o = this.options;
         if (o.compact && o.blend) {
             var smBlendedMarginSizes = [1, 0];
             return smBlendedMarginSizes[n];
         } else if (o.compact) {
             var compactMarginSizes = [2, 1];
             return compactMarginSizes[n];
         } else if (o.blend) {
             var blendedMarginSizes = [3, 2, 1, 0];
             return blendedMarginSizes[n];
         } else {
             var marginSizes = [5, 3, 2, 1];
             return marginSizes[n];
         }
     },
     _borderSize: function (n) {
         var o = this.options;
         var borderSizes;
         if (o.compact && (o.blend || this.isTransparent)) {
             return 1;
         } else if (o.compact) {
             borderSizes = [1, 0];
         } else if (o.blend) {
             borderSizes = [2, 1, 1, 1];
         } else if (o.border) {
             borderSizes = [0, 2, 0, 0];
         } else if (this.isTransparent) {
             borderSizes = [5, 3, 2, 1];
         } else {
             return 0;
         }
         return borderSizes[n];
     },
     _hasString: function (str) {
         for (var i = 1; i< arguments.length; i++) {
             if (str.indexOf(arguments[i]) != -1) {
                 return true;
             }
         }
         return false;
     },
     _isTopRounded: function () {
         return this._hasString(this.options.corners,
             "all", "top", "tl", "tr"
         );
     },
     _isBottomRounded: function () {
         return this._hasString(this.options.corners,
             "all", "bottom", "bl", "br"
         );
     },
     _hasSingleTextChild: function (el) {
         return (el.childNodes.length == 1 && el.childNodes[0].nodeType == 3);
     }
 };
 /** @id MochiKit.Visual.roundElement */
 MochiKit.Visual.roundElement = function (e, options) {
     new MochiKit.Visual._RoundCorners(e, options);
 };
 /** @id MochiKit.Visual.roundClass */
 MochiKit.Visual.roundClass = function (tagName, className, options) {
     var elements = MochiKit.DOM.getElementsByTagAndClassName(
         tagName, className
     );
     for (var i = 0; i < elements.length; i++) {
         MochiKit.Visual.roundElement(elements[i], options);
     }
 };
 /** @id MochiKit.Visual.tagifyText */
 MochiKit.Visual.tagifyText = function (element, /* optional */tagifyStyle) {
     /***
     Change a node text to character in tags.
     @param tagifyStyle: the style to apply to character nodes, default to
     'position: relative'.
     ***/
     var tagifyStyle = tagifyStyle || 'position:relative';
     if (/MSIE/.test(navigator.userAgent)) {
         tagifyStyle += ';zoom:1';
     }
     element = MochiKit.DOM.getElement(element);
     var ma = MochiKit.Base.map;
     ma(function (child) {
         if (child.nodeType == 3) {
             ma(function (character) {
                 element.insertBefore(
                     MochiKit.DOM.SPAN({style: tagifyStyle},
                         character == ' ' ? String.fromCharCode(160) : character), child);
             }, child.nodeValue.split(''));
             MochiKit.DOM.removeElement(child);
         }
     }, element.childNodes);
 };
 /** @id MochiKit.Visual.forceRerendering */
 MochiKit.Visual.forceRerendering = function (element) {
     try {
         element = MochiKit.DOM.getElement(element);
         var n = document.createTextNode(' ');
         element.appendChild(n);
         element.removeChild(n);
     } catch(e) {
     }
 };
 /** @id MochiKit.Visual.multiple */
 MochiKit.Visual.multiple = function (elements, effect, /* optional */options) {
     /***
     Launch the same effect subsequently on given elements.
     ***/
     options = MochiKit.Base.update({
         speed: 0.1, delay: 0.0
     }, options || {});
     var masterDelay = options.delay;
     var index = 0;
     MochiKit.Base.map(function (innerelement) {
         options.delay = index * options.speed + masterDelay;
         new effect(innerelement, options);
         index += 1;
     }, elements);
 };
 MochiKit.Visual.PAIRS = {
     'slide': ['slideDown', 'slideUp'],
     'blind': ['blindDown', 'blindUp'],
     'appear': ['appear', 'fade'],
     'size': ['grow', 'shrink']
 };
 /** @id MochiKit.Visual.toggle */
 MochiKit.Visual.toggle = function (element, /* optional */effect, /* optional */options) {
     /***
     Toggle an item between two state depending of its visibility, making
     a effect between these states. Default  effect is 'appear', can be
     'slide' or 'blind'.
     ***/
     element = MochiKit.DOM.getElement(element);
     effect = (effect || 'appear').toLowerCase();
     options = MochiKit.Base.update({
         queue: {position: 'end', scope: (element.id || 'global'), limit: 1}
     }, options || {});
     var v = MochiKit.Visual;
     v[element.style.display != 'none' ?
       v.PAIRS[effect][1] : v.PAIRS[effect][0]](element, options);
 };
 /***
 Transitions: define functions calculating variations depending of a position.
 ***/
 MochiKit.Visual.Transitions = {}
 /** @id MochiKit.Visual.Transitions.linear */
 MochiKit.Visual.Transitions.linear = function (pos) {
     return pos;
 };
 /** @id MochiKit.Visual.Transitions.sinoidal */
 MochiKit.Visual.Transitions.sinoidal = function (pos) {
     return (-Math.cos(pos*Math.PI)/2) + 0.5;
 };
 /** @id MochiKit.Visual.Transitions.reverse */
 MochiKit.Visual.Transitions.reverse = function (pos) {
     return 1 - pos;
 };
 /** @id MochiKit.Visual.Transitions.flicker */
 MochiKit.Visual.Transitions.flicker = function (pos) {
     return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
 };
 /** @id MochiKit.Visual.Transitions.wobble */
 MochiKit.Visual.Transitions.wobble = function (pos) {
     return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
 };
 /** @id MochiKit.Visual.Transitions.pulse */
 MochiKit.Visual.Transitions.pulse = function (pos) {
     return (Math.floor(pos*10) % 2 == 0 ?
         (pos*10 - Math.floor(pos*10)) : 1 - (pos*10 - Math.floor(pos*10)));
 };
 /** @id MochiKit.Visual.Transitions.none */
 MochiKit.Visual.Transitions.none = function (pos) {
     return 0;
 };
 /** @id MochiKit.Visual.Transitions.full */
 MochiKit.Visual.Transitions.full = function (pos) {
     return 1;
 };
 /***
 Core effects
 ***/
 MochiKit.Visual.ScopedQueue = function () {
     this.__init__();
 };
 MochiKit.Base.update(MochiKit.Visual.ScopedQueue.prototype, {
     __init__: function () {
         this.effects = [];
         this.interval = null;
     },
     /** @id MochiKit.Visual.ScopedQueue.prototype.add */
     add: function (effect) {
         var timestamp = new Date().getTime();
         var position = (typeof(effect.options.queue) == 'string') ?
             effect.options.queue : effect.options.queue.position;
         var ma = MochiKit.Base.map;
         switch (position) {
             case 'front':
                 // move unstarted effects after this effect
                 ma(function (e) {
                     if (e.state == 'idle') {
                         e.startOn += effect.finishOn;
                         e.finishOn += effect.finishOn;
                     }
                 }, this.effects);
                 break;
             case 'end':
                 var finish;
                 // start effect after last queued effect has finished
                 ma(function (e) {
                     var i = e.finishOn;
                     if (i >= (finish || i)) {
                         finish = i;
                     }
                 }, this.effects);
                 timestamp = finish || timestamp;
                 break;
             case 'break':
                 ma(function (e) {
                     e.finalize();
                 }, this.effects);
                 break;
         }
         effect.startOn += timestamp;
         effect.finishOn += timestamp;
         if (!effect.options.queue.limit ||
             this.effects.length < effect.options.queue.limit) {
             this.effects.push(effect);
         }
         if (!this.interval) {
             this.interval = this.startLoop(MochiKit.Base.bind(this.loop, this),
 );
         }
     },
     /** @id MochiKit.Visual.ScopedQueue.prototype.startLoop */
     startLoop: function (func, interval) {
         return setInterval(func, interval)
     },
     /** @id MochiKit.Visual.ScopedQueue.prototype.remove */
     remove: function (effect) {
         this.effects = MochiKit.Base.filter(function (e) {
             return e != effect;
         }, this.effects);
         if (this.effects.length == 0) {
             this.stopLoop(this.interval);
             this.interval = null;
         }
     },
     /** @id MochiKit.Visual.ScopedQueue.prototype.stopLoop */
     stopLoop: function (interval) {
         clearInterval(interval)
     },
     /** @id MochiKit.Visual.ScopedQueue.prototype.loop */
     loop: function () {
         var timePos = new Date().getTime();
         MochiKit.Base.map(function (effect) {
             effect.loop(timePos);
         }, this.effects);
     }
 });
 MochiKit.Visual.Queues = {
     instances: {},
     get: function (queueName) {
         if (typeof(queueName) != 'string') {
             return queueName;
         }
         if (!this.instances[queueName]) {
             this.instances[queueName] = new MochiKit.Visual.ScopedQueue();
         }
         return this.instances[queueName];
     }
 };
 MochiKit.Visual.Queue = MochiKit.Visual.Queues.get('global');
 MochiKit.Visual.DefaultOptions = {
     transition: MochiKit.Visual.Transitions.sinoidal,
     duration: 1.0,  // seconds
     fps: 25.0,  // max. 25fps due to MochiKit.Visual.Queue implementation
     sync: false,  // true for combining
     from: 0.0,
     to: 1.0,
     delay: 0.0,
     queue: 'parallel'
 };
 MochiKit.Visual.Base = function () {};
 MochiKit.Visual.Base.prototype = {
     /***
     Basic class for all Effects. Define a looping mechanism called for each step
     of an effect. Don't instantiate it, only subclass it.
     ***/
     __class__ : MochiKit.Visual.Base,
     /** @id MochiKit.Visual.Base.prototype.start */
     start: function (options) {
         var v = MochiKit.Visual;
         this.options = MochiKit.Base.setdefault(options || {},
                                                 v.DefaultOptions);
         this.currentFrame = 0;
         this.state = 'idle';
         this.startOn = this.options.delay*1000;
         this.finishOn = this.startOn + (this.options.duration*1000);
         this.event('beforeStart');
         if (!this.options.sync) {
             v.Queues.get(typeof(this.options.queue) == 'string' ?
                 'global' : this.options.queue.scope).add(this);
         }
     },
     /** @id MochiKit.Visual.Base.prototype.loop */
     loop: function (timePos) {
         if (timePos >= this.startOn) {
             if (timePos >= this.finishOn) {
                 return this.finalize();
             }
             var pos = (timePos - this.startOn) / (this.finishOn - this.startOn);
             var frame =
                 Math.round(pos * this.options.fps * this.options.duration);
             if (frame > this.currentFrame) {
                 this.render(pos);
                 this.currentFrame = frame;
             }
         }
     },
     /** @id MochiKit.Visual.Base.prototype.render */
     render: function (pos) {
         if (this.state == 'idle') {
             this.state = 'running';
             this.event('beforeSetup');
             this.setup();
             this.event('afterSetup');
         }
         if (this.state == 'running') {
             if (this.options.transition) {
                 pos = this.options.transition(pos);
             }
             pos *= (this.options.to - this.options.from);
             pos += this.options.from;
             this.event('beforeUpdate');
             this.update(pos);
             this.event('afterUpdate');
         }
     },
     /** @id MochiKit.Visual.Base.prototype.cancel */
     cancel: function () {
         if (!this.options.sync) {
             MochiKit.Visual.Queues.get(typeof(this.options.queue) == 'string' ?
                 'global' : this.options.queue.scope).remove(this);
         }
         this.state = 'finished';
     },
     /** @id MochiKit.Visual.Base.prototype.finalize */
     finalize: function () {
         this.render(1.0);
         this.cancel();
         this.event('beforeFinish');
         this.finish();
         this.event('afterFinish');
     },
     setup: function () {
     },
     finish: function () {
     },
     update: function (position) {
     },
     /** @id MochiKit.Visual.Base.prototype.event */
     event: function (eventName) {
         if (this.options[eventName + 'Internal']) {
             this.options[eventName + 'Internal'](this);
         }
         if (this.options[eventName]) {
             this.options[eventName](this);
         }
     },
     /** @id MochiKit.Visual.Base.prototype.repr */
     repr: function () {
         return '[' + this.__class__.NAME + ', options:' +
                MochiKit.Base.repr(this.options) + ']';
     }
 }
     /** @id MochiKit.Visual.Parallel */
 MochiKit.Visual.Parallel = function (effects, options) {
     this.__init__(effects, options);
 };
 MochiKit.Visual.Parallel.prototype = new MochiKit.Visual.Base();
 MochiKit.Base.update(MochiKit.Visual.Parallel.prototype, {
     /***
     Run multiple effects at the same time.
     ***/
     __init__: function (effects, options) {
         this.effects = effects || [];
         this.start(options);
     },
     /** @id MochiKit.Visual.Parallel.prototype.update */
     update: function (position) {
         MochiKit.Base.map(function (effect) {
             effect.render(position);
         }, this.effects);
     },
     /** @id MochiKit.Visual.Parallel.prototype.finish */
     finish: function () {
         MochiKit.Base.map(function (effect) {
             effect.finalize();
         }, this.effects);
     }
 });
 /** @id MochiKit.Visual.Opacity */
 MochiKit.Visual.Opacity = function (element, options) {
     this.__init__(element, options);
 };
 MochiKit.Visual.Opacity.prototype = new MochiKit.Visual.Base();
 MochiKit.Base.update(MochiKit.Visual.Opacity.prototype, {
     /***
     Change the opacity of an element.
     @param options: 'from' and 'to' change the starting and ending opacities.
     Must be between 0.0 and 1.0. Default to current opacity and 1.0.
     ***/
     __init__: function (element, /* optional */options) {
         var b = MochiKit.Base;
         var s = MochiKit.Style;
         this.element = MochiKit.DOM.getElement(element);
         // make this work on IE on elements without 'layout'
         if (this.element.currentStyle &&
             (!this.element.currentStyle.hasLayout)) {
             s.setStyle(this.element, {zoom: 1});
         }
         options = b.update({
             from: s.getOpacity(this.element) || 0.0,
             to: 1.0
         }, options || {});
         this.start(options);
     },
     /** @id MochiKit.Visual.Opacity.prototype.update */
     update: function (position) {
         MochiKit.Style.setOpacity(this.element, position);
     }
 });
 /**  @id MochiKit.Visual.Opacity.prototype.Move */
 MochiKit.Visual.Move = function (element, options) {
     this.__init__(element, options);
 };
 MochiKit.Visual.Move.prototype = new MochiKit.Visual.Base();
 MochiKit.Base.update(MochiKit.Visual.Move.prototype, {
     /***
     Move an element between its current position to a defined position
     @param options: 'x' and 'y' for final positions, default to 0, 0.
     ***/
     __init__: function (element, /* optional */options) {
         this.element = MochiKit.DOM.getElement(element);
         options = MochiKit.Base.update({
             x: 0,
             y: 0,
             mode: 'relative'
         }, options || {});
         this.start(options);
     },
     /** @id MochiKit.Visual.Move.prototype.setup */
     setup: function () {
         // Bug in Opera: Opera returns the 'real' position of a static element
         // or relative element that does not have top/left explicitly set.
         // ==> Always set top and left for position relative elements in your
         // stylesheets (to 0 if you do not need them)
         MochiKit.DOM.makePositioned(this.element);
         var s = this.element.style;
         var originalVisibility = s.visibility;
         var originalDisplay = s.display;
         if (originalDisplay == 'none') {
             s.visibility = 'hidden';
             s.display = '';
         }
         this.originalLeft = parseFloat(MochiKit.Style.getStyle(this.element, 'left') || '0');
         this.originalTop = parseFloat(MochiKit.Style.getStyle(this.element, 'top') || '0');
         if (this.options.mode == 'absolute') {
             // absolute movement, so we need to calc deltaX and deltaY
             this.options.x -= this.originalLeft;
             this.options.y -= this.originalTop;
         }
         if (originalDisplay == 'none') {
             s.visibility = originalVisibility;
             s.display = originalDisplay;
         }
     },
     /** @id MochiKit.Visual.Move.prototype.update */
     update: function (position) {
         MochiKit.Style.setStyle(this.element, {
             left: Math.round(this.options.x * position + this.originalLeft) + 'px',
             top: Math.round(this.options.y * position + this.originalTop) + 'px'
         });
     }
 });
 /** @id MochiKit.Visual.Scale */
 MochiKit.Visual.Scale = function (element, percent, options) {
     this.__init__(element, percent, options);
 };
 MochiKit.Visual.Scale.prototype = new MochiKit.Visual.Base();
 MochiKit.Base.update(MochiKit.Visual.Scale.prototype, {
     /***
     Change the size of an element.
     @param percent: final_size = percent*original_size
     @param options: several options changing scale behaviour
     ***/
     __init__: function (element, percent, /* optional */options) {
         this.element = MochiKit.DOM.getElement(element)
         options = MochiKit.Base.update({
             scaleX: true,
             scaleY: true,
             scaleContent: true,
             scaleFromCenter: false,
             scaleMode: 'box',  // 'box' or 'contents' or {} with provided values
             scaleFrom: 100.0,
             scaleTo: percent
         }, options || {});
         this.start(options);
     },
     /** @id MochiKit.Visual.Scale.prototype.setup */
     setup: function () {
         this.restoreAfterFinish = this.options.restoreAfterFinish || false;
         this.elementPositioning = MochiKit.Style.getStyle(this.element,
                                                         'position');
         var ma = MochiKit.Base.map;
         var b = MochiKit.Base.bind;
         this.originalStyle = {};
         ma(b(function (k) {
                 this.originalStyle[k] = this.element.style[k];
             }, this), ['top', 'left', 'width', 'height', 'fontSize']);
         this.originalTop = this.element.offsetTop;
         this.originalLeft = this.element.offsetLeft;
         var fontSize = MochiKit.Style.getStyle(this.element,
                                              'font-size') || '100%';
         ma(b(function (fontSizeType) {
             if (fontSize.indexOf(fontSizeType) > 0) {
                 this.fontSize = parseFloat(fontSize);
                 this.fontSizeType = fontSizeType;
             }
         }, this), ['em', 'px', '%']);
         this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
         if (/^content/.test(this.options.scaleMode)) {
             this.dims = [this.element.scrollHeight, this.element.scrollWidth];
         } else if (this.options.scaleMode == 'box') {
             this.dims = [this.element.offsetHeight, this.element.offsetWidth];
         } else {
             this.dims = [this.options.scaleMode.originalHeight,
                          this.options.scaleMode.originalWidth];
         }
     },
     /** @id MochiKit.Visual.Scale.prototype.update */
     update: function (position) {
         var currentScale = (this.options.scaleFrom/100.0) +
                            (this.factor * position);
         if (this.options.scaleContent && this.fontSize) {
             MochiKit.Style.setStyle(this.element, {
                 fontSize: this.fontSize * currentScale + this.fontSizeType
             });
         }
         this.setDimensions(this.dims[0] * currentScale,
                            this.dims[1] * currentScale);
     },
     /** @id MochiKit.Visual.Scale.prototype.finish */
     finish: function () {
         if (this.restoreAfterFinish) {
             MochiKit.Style.setStyle(this.element, this.originalStyle);
         }
     },
     /** @id MochiKit.Visual.Scale.prototype.setDimensions */
     setDimensions: function (height, width) {
         var d = {};
         var r = Math.round;
         if (/MSIE/.test(navigator.userAgent)) {
             r = Math.ceil;
         }
         if (this.options.scaleX) {
             d.width = r(width) + 'px';
         }
         if (this.options.scaleY) {
             d.height = r(height) + 'px';
         }
         if (this.options.scaleFromCenter) {
             var topd = (height - this.dims[0])/2;
             var leftd = (width - this.dims[1])/2;
             if (this.elementPositioning == 'absolute') {
                 if (this.options.scaleY) {
                     d.top = this.originalTop - topd + 'px';
                 }
                 if (this.options.scaleX) {
                     d.left = this.originalLeft - leftd + 'px';
                 }
             } else {
                 if (this.options.scaleY) {
                     d.top = -topd + 'px';
                 }
                 if (this.options.scaleX) {
                     d.left = -leftd + 'px';
                 }
             }
         }
         MochiKit.Style.setStyle(this.element, d);
     }
 });
 /** @id MochiKit.Visual.Highlight */
 MochiKit.Visual.Highlight = function (element, options) {
     this.__init__(element, options);
 };
 MochiKit.Visual.Highlight.prototype = new MochiKit.Visual.Base();
 MochiKit.Base.update(MochiKit.Visual.Highlight.prototype, {
     /***
     Highlight an item of the page.
     @param options: 'startcolor' for choosing highlighting color, default
     to '#ffff99'.
     ***/
     __init__: function (element, /* optional */options) {
         this.element = MochiKit.DOM.getElement(element);
         options = MochiKit.Base.update({
             startcolor: '#ffff99'
         }, options || {});
         this.start(options);
     },
     /** @id MochiKit.Visual.Highlight.prototype.setup */
     setup: function () {
         var b = MochiKit.Base;
         var s = MochiKit.Style;
         // Prevent executing on elements not in the layout flow
         if (s.getStyle(this.element, 'display') == 'none') {
             this.cancel();
             return;
         }
         // Disable background image during the effect
         this.oldStyle = {
             backgroundImage: s.getStyle(this.element, 'background-image')
         };
         s.setStyle(this.element, {
             backgroundImage: 'none'
         });
         if (!this.options.endcolor) {
             this.options.endcolor =
                 MochiKit.Color.Color.fromBackground(this.element).toHexString();
         }
         if (b.isUndefinedOrNull(this.options.restorecolor)) {
             this.options.restorecolor = s.getStyle(this.element,
                                                    'background-color');
         }
         // init color calculations
         this._base = b.map(b.bind(function (i) {
             return parseInt(
                 this.options.startcolor.slice(i*2 + 1, i*2 + 3), 16);
         }, this), [0, 1, 2]);
         this._delta = b.map(b.bind(function (i) {
             return parseInt(this.options.endcolor.slice(i*2 + 1, i*2 + 3), 16)
                 - this._base[i];
         }, this), [0, 1, 2]);
     },
     /** @id MochiKit.Visual.Highlight.prototype.update */
     update: function (position) {
         var m = '#';
         MochiKit.Base.map(MochiKit.Base.bind(function (i) {
             m += MochiKit.Color.toColorPart(Math.round(this._base[i] +
                                             this._delta[i]*position));
         }, this), [0, 1, 2]);
         MochiKit.Style.setStyle(this.element, {
             backgroundColor: m
         });
     },
     /** @id MochiKit.Visual.Highlight.prototype.finish */
     finish: function () {
         MochiKit.Style.setStyle(this.element,
             MochiKit.Base.update(this.oldStyle, {
                 backgroundColor: this.options.restorecolor
         }));
     }
 });
 /** @id MochiKit.Visual.ScrollTo */
 MochiKit.Visual.ScrollTo = function (element, options) {
     this.__init__(element, options);
 };
 MochiKit.Visual.ScrollTo.prototype = new MochiKit.Visual.Base();
 MochiKit.Base.update(MochiKit.Visual.ScrollTo.prototype, {
     /***
     Scroll to an element in the page.
     ***/
     __init__: function (element, /* optional */options) {
         this.element = MochiKit.DOM.getElement(element);
         this.start(options || {});
     },
     /** @id MochiKit.Visual.ScrollTo.prototype.setup */
     setup: function () {
         var p = MochiKit.Position;
         p.prepare();
         var offsets = p.cumulativeOffset(this.element);
         if (this.options.offset) {
             offsets.y += this.options.offset;
         }
         var max;
         if (window.innerHeight) {
             max = window.innerHeight - window.height;
         } else if (document.documentElement &&
                    document.documentElement.clientHeight) {
             max = document.documentElement.clientHeight -
                   document.body.scrollHeight;
         } else if (document.body) {
             max = document.body.clientHeight - document.body.scrollHeight;
         }
         this.scrollStart = p.windowOffset.y;
         this.delta = (offsets.y > max ? max : offsets.y) - this.scrollStart;
     },
     /** @id MochiKit.Visual.ScrollTo.prototype.update */
     update: function (position) {
         var p = MochiKit.Position;
         p.prepare();
         window.scrollTo(p.windowOffset.x, this.scrollStart + (position * this.delta));
     }
 });
 /***
 Combination effects.
 ***/
 /** @id MochiKit.Visual.fade */
 MochiKit.Visual.fade = function (element, /* optional */ options) {
     /***
     Fade a given element: change its opacity and hide it in the end.
     @param options: 'to' and 'from' to change opacity.
     ***/
     var s = MochiKit.Style;
     var oldOpacity = MochiKit.DOM.getElement(element).style.opacity || '';
     options = MochiKit.Base.update({
         from: s.getOpacity(element) || 1.0,
         to: 0.0,
         afterFinishInternal: function (effect) {
             if (effect.options.to !== 0) {
                 return;
             }
             s.hideElement(effect.element);
             s.setStyle(effect.element, {opacity: oldOpacity});
         }
     }, options || {});
     return new MochiKit.Visual.Opacity(element, options);
 };
 /** @id MochiKit.Visual.appear */
 MochiKit.Visual.appear = function (element, /* optional */ options) {
     /***
     Make an element appear.
     @param options: 'to' and 'from' to change opacity.
     ***/
     var s = MochiKit.Style;
     var v = MochiKit.Visual;
     options = MochiKit.Base.update({
         from: (s.getStyle(element, 'display') == 'none' ? 0.0 :
                s.getOpacity(element) || 0.0),
         to: 1.0,
         // force Safari to render floated elements properly
         afterFinishInternal: function (effect) {
             v.forceRerendering(effect.element);
         },
         beforeSetupInternal: function (effect) {
             s.setOpacity(effect.element, effect.options.from);
             s.showElement(effect.element);
         }
     }, options || {});
     return new v.Opacity(element, options);
 };
 /** @id MochiKit.Visual.puff */
 MochiKit.Visual.puff = function (element, /* optional */ options) {
     /***
     'Puff' an element: grow it to double size, fading it and make it hidden.
     ***/
     var s = MochiKit.Style;
     var v = MochiKit.Visual;
     element = MochiKit.DOM.getElement(element);
     var oldStyle = {
         opacity: element.style.opacity || '',
         position: s.getStyle(element, 'position'),
         top: element.style.top,
         left: element.style.left,
         width: element.style.width,
         height: element.style.height
     };
     options = MochiKit.Base.update({
         beforeSetupInternal: function (effect) {
             MochiKit.Position.absolutize(effect.effects[0].element)
         },
         afterFinishInternal: function (effect) {
             s.hideElement(effect.effects[0].element);
             s.setStyle(effect.effects[0].element, oldStyle);
         }
     }, options || {});
     return new v.Parallel(
         [new v.Scale(element, 200,
             {sync: true, scaleFromCenter: true,
              scaleContent: true, restoreAfterFinish: true}),
          new v.Opacity(element, {sync: true, to: 0.0 })],
         options);
 };
 /** @id MochiKit.Visual.blindUp */
 MochiKit.Visual.blindUp = function (element, /* optional */ options) {
     /***
     Blind an element up: change its vertical size to 0.
     ***/
     var d = MochiKit.DOM;
     element = d.getElement(element);
     var elemClip = d.makeClipping(element);
     options = MochiKit.Base.update({
         scaleContent: false,
         scaleX: false,
         restoreAfterFinish: true,
         afterFinishInternal: function (effect) {
             MochiKit.Style.hideElement(effect.element);
             d.undoClipping(effect.element, elemClip);
         }
     }, options || {});
     return new MochiKit.Visual.Scale(element, 0, options);
 };
 /** @id MochiKit.Visual.blindDown */
 MochiKit.Visual.blindDown = function (element, /* optional */ options) {
     /***
     Blind an element down: restore its vertical size.
     ***/
     var d = MochiKit.DOM;
     var s = MochiKit.Style;
     element = d.getElement(element);
     var elementDimensions = s.getElementDimensions(element);
     var elemClip;
     options = MochiKit.Base.update({
         scaleContent: false,
         scaleX: false,
         scaleFrom: 0,
         scaleMode: {originalHeight: elementDimensions.h,
                     originalWidth: elementDimensions.w},
         restoreAfterFinish: true,
         afterSetupInternal: function (effect) {
             elemClip = d.makeClipping(effect.element);
             s.setStyle(effect.element, {height: '0px'});
             s.showElement(effect.element);
         },
         afterFinishInternal: function (effect) {
             d.undoClipping(effect.element, elemClip);
         }
     }, options || {});
     return new MochiKit.Visual.Scale(element, 100, options);
 };
 /** @id MochiKit.Visual.switchOff */
 MochiKit.Visual.switchOff = function (element, /* optional */ options) {
     /***
     Apply a switch-off-like effect.
     ***/
     var d = MochiKit.DOM;
     element = d.getElement(element);
     var oldOpacity = element.style.opacity || '';
     var elemClip;
     var options = MochiKit.Base.update({
         duration: 0.3,
         scaleFromCenter: true,
         scaleX: false,
         scaleContent: false,
         restoreAfterFinish: true,
         beforeSetupInternal: function (effect) {
             d.makePositioned(effect.element);
             elemClip = d.makeClipping(effect.element);
         },
         afterFinishInternal: function (effect) {
             MochiKit.Style.hideElement(effect.element);
             d.undoClipping(effect.element, elemClip);
             d.undoPositioned(effect.element);
             MochiKit.Style.setStyle(effect.element, {opacity: oldOpacity});
         }
     }, options || {});
     var v = MochiKit.Visual;
     return new v.appear(element, {
         duration: 0.4,
         from: 0,
         transition: v.Transitions.flicker,
         afterFinishInternal: function (effect) {
             new v.Scale(effect.element, 1, options)
         }
     });
 };
 /** @id MochiKit.Visual.dropOut */
 MochiKit.Visual.dropOut = function (element, /* optional */ options) {
     /***
     Make an element fall and disappear.
     ***/
     var d = MochiKit.DOM;
     var s = MochiKit.Style;
     element = d.getElement(element);
     var oldStyle = {
         top: s.getStyle(element, 'top'),
         left: s.getStyle(element, 'left'),
         opacity: element.style.opacity || ''
     };
     options = MochiKit.Base.update({
         duration: 0.5,
         beforeSetupInternal: function (effect) {
             d.makePositioned(effect.effects[0].element);
         },
         afterFinishInternal: function (effect) {
             s.hideElement(effect.effects[0].element);
             d.undoPositioned(effect.effects[0].element);
             s.setStyle(effect.effects[0].element, oldStyle);
         }
     }, options || {});
     var v = MochiKit.Visual;
     return new v.Parallel(
         [new v.Move(element, {x: 0, y: 100, sync: true}),
          new v.Opacity(element, {sync: true, to: 0.0})],
         options);
 };
 /** @id MochiKit.Visual.shake */
 MochiKit.Visual.shake = function (element, /* optional */ options) {
     /***
     Move an element from left to right several times.
     ***/
     var d = MochiKit.DOM;
     var v = MochiKit.Visual;
     var s = MochiKit.Style;
     element = d.getElement(element);
     options = MochiKit.Base.update({
         x: -20,
         y: 0,
         duration: 0.05,
         afterFinishInternal: function (effect) {
             d.undoPositioned(effect.element);
             s.setStyle(effect.element, oldStyle);
         }
     }, options || {});
     var oldStyle = {
         top: s.getStyle(element, 'top'),
         left: s.getStyle(element, 'left') };
         return new v.Move(element,
           {x: 20, y: 0, duration: 0.05, afterFinishInternal: function (effect) {
         new v.Move(effect.element,
           {x: -40, y: 0, duration: 0.1, afterFinishInternal: function (effect) {
         new v.Move(effect.element,
            {x: 40, y: 0, duration: 0.1, afterFinishInternal: function (effect) {
         new v.Move(effect.element,
           {x: -40, y: 0, duration: 0.1, afterFinishInternal: function (effect) {
         new v.Move(effect.element,
            {x: 40, y: 0, duration: 0.1, afterFinishInternal: function (effect) {
         new v.Move(effect.element, options
         ) }}) }}) }}) }}) }});
 };
 /** @id MochiKit.Visual.slideDown */
 MochiKit.Visual.slideDown = function (element, /* optional */ options) {
     /***
     Slide an element down.
     It needs to have the content of the element wrapped in a container
     element with fixed height.
     ***/
     var d = MochiKit.DOM;
     var b = MochiKit.Base;
     var s = MochiKit.Style;
     element = d.getElement(element);
     if (!element.firstChild) {
         throw "MochiKit.Visual.slideDown must be used on a element with a child";
     }
     d.removeEmptyTextNodes(element);
     var oldInnerBottom = s.getStyle(element.firstChild, 'bottom') || 0;
     var elementDimensions = s.getElementDimensions(element);
     var elemClip;
     options = b.update({
         scaleContent: false,
         scaleX: false,
         scaleFrom: 0,
         scaleMode: {originalHeight: elementDimensions.h,
                     originalWidth: elementDimensions.w},
         restoreAfterFinish: true,
         afterSetupInternal: function (effect) {
             d.makePositioned(effect.element);
             d.makePositioned(effect.element.firstChild);
             if (/Opera/.test(navigator.userAgent)) {
                 s.setStyle(effect.element, {top: ''});
             }
             elemClip = d.makeClipping(effect.element);
             s.setStyle(effect.element, {height: '0px'});
             s.showElement(effect.element);
         },
         afterUpdateInternal: function (effect) {
             s.setStyle(effect.element.firstChild,
                {bottom: (effect.dims[0] - effect.element.clientHeight) + 'px'})
         },
         afterFinishInternal: function (effect) {
             d.undoClipping(effect.element, elemClip);
             // IE will crash if child is undoPositioned first
             if (/MSIE/.test(navigator.userAgent)) {
                 d.undoPositioned(effect.element);
                 d.undoPositioned(effect.element.firstChild);
             } else {
                 d.undoPositioned(effect.element.firstChild);
                 d.undoPositioned(effect.element);
             }
             s.setStyle(effect.element.firstChild,
                                   {bottom: oldInnerBottom});
         }
     }, options || {});
     return new MochiKit.Visual.Scale(element, 100, options);
 };
 /** @id MochiKit.Visual.slideUp */
 MochiKit.Visual.slideUp = function (element, /* optional */ options) {
     /***
     Slide an element up.
     It needs to have the content of the element wrapped in a container
     element with fixed height.
     ***/
     var d = MochiKit.DOM;
     var b = MochiKit.Base;
     var s = MochiKit.Style;
     element = d.getElement(element);
     if (!element.firstChild) {
         throw "MochiKit.Visual.slideUp must be used on a element with a child";
     }
     d.removeEmptyTextNodes(element);
     var oldInnerBottom = s.getStyle(element.firstChild, 'bottom');
     var elemClip;
     options = b.update({
         scaleContent: false,
         scaleX: false,
         scaleMode: 'box',
         scaleFrom: 100,
         restoreAfterFinish: true,
         beforeStartInternal: function (effect) {
             d.makePositioned(effect.element);
             d.makePositioned(effect.element.firstChild);
             if (/Opera/.test(navigator.userAgent)) {
                 s.setStyle(effect.element, {top: ''});
             }
             elemClip = d.makeClipping(effect.element);
             s.showElement(effect.element);
         },
         afterUpdateInternal: function (effect) {
             s.setStyle(effect.element.firstChild,
             {bottom: (effect.dims[0] - effect.element.clientHeight) + 'px'});
         },
         afterFinishInternal: function (effect) {
             s.hideElement(effect.element);
             d.undoClipping(effect.element, elemClip);
             d.undoPositioned(effect.element.firstChild);
             d.undoPositioned(effect.element);
             s.setStyle(effect.element.firstChild, {bottom: oldInnerBottom});
         }
     }, options || {});
     return new MochiKit.Visual.Scale(element, 0, options);
 };
 // Bug in opera makes the TD containing this element expand for a instance
 // after finish
 /** @id MochiKit.Visual.squish */
 MochiKit.Visual.squish = function (element, /* optional */ options) {
     /***
     Reduce an element and make it disappear.
     ***/
     var d = MochiKit.DOM;
     var b = MochiKit.Base;
     var elemClip;
     options = b.update({
         restoreAfterFinish: true,
         beforeSetupInternal: function (effect) {
             elemClip = d.makeClipping(effect.element);
         },
         afterFinishInternal: function (effect) {
             MochiKit.Style.hideElement(effect.element);
             d.undoClipping(effect.element, elemClip);
         }
     }, options || {});
     return new MochiKit.Visual.Scale(element, /Opera/.test(navigator.userAgent) ? 1 : 0, options);
 };
 /** @id MochiKit.Visual.grow */
 MochiKit.Visual.grow = function (element, /* optional */ options) {
     /***
     Grow an element to its original size. Make it zero-sized before
     if necessary.
     ***/
     var d = MochiKit.DOM;
     var v = MochiKit.Visual;
     var s = MochiKit.Style;
     element = d.getElement(element);
     options = MochiKit.Base.update({
         direction: 'center',
         moveTransition: v.Transitions.sinoidal,
         scaleTransition: v.Transitions.sinoidal,
         opacityTransition: v.Transitions.full
     }, options || {});
     var oldStyle = {
         top: element.style.top,
         left: element.style.left,
         height: element.style.height,
         width: element.style.width,
         opacity: element.style.opacity || ''
     };
     var dims = s.getElementDimensions(element);
     var initialMoveX, initialMoveY;
     var moveX, moveY;
     switch (options.direction) {
         case 'top-left':
             initialMoveX = initialMoveY = moveX = moveY = 0;
             break;
         case 'top-right':
             initialMoveX = dims.w;
             initialMoveY = moveY = 0;
             moveX = -dims.w;
             break;
         case 'bottom-left':
             initialMoveX = moveX = 0;
             initialMoveY = dims.h;
             moveY = -dims.h;
             break;
         case 'bottom-right':
             initialMoveX = dims.w;
             initialMoveY = dims.h;
             moveX = -dims.w;
             moveY = -dims.h;
             break;
         case 'center':
             initialMoveX = dims.w / 2;
             initialMoveY = dims.h / 2;
             moveX = -dims.w / 2;
             moveY = -dims.h / 2;
             break;
     }
     var optionsParallel = MochiKit.Base.update({
         beforeSetupInternal: function (effect) {
             s.setStyle(effect.effects[0].element, {height: '0px'});
             s.showElement(effect.effects[0].element);
         },
         afterFinishInternal: function (effect) {
             d.undoClipping(effect.effects[0].element);
             d.undoPositioned(effect.effects[0].element);
             s.setStyle(effect.effects[0].element, oldStyle);
         }
     }, options || {});
     return new v.Move(element, {
         x: initialMoveX,
         y: initialMoveY,
         duration: 0.01,
         beforeSetupInternal: function (effect) {
             s.hideElement(effect.element);
             d.makeClipping(effect.element);
             d.makePositioned(effect.element);
         },
         afterFinishInternal: function (effect) {
             new v.Parallel(
                 [new v.Opacity(effect.element, {
                     sync: true, to: 1.0, from: 0.0,
                     transition: options.opacityTransition
                  }),
                  new v.Move(effect.element, {
                      x: moveX, y: moveY, sync: true,
                      transition: options.moveTransition
                  }),
                  new v.Scale(effect.element, 100, {
                         scaleMode: {originalHeight: dims.h,
                                     originalWidth: dims.w},
                         sync: true,
                         scaleFrom: /Opera/.test(navigator.userAgent) ? 1 : 0,
                         transition: options.scaleTransition,
                         restoreAfterFinish: true
                 })
                 ], optionsParallel
             );
         }
     });
 };
 /** @id MochiKit.Visual.shrink */
 MochiKit.Visual.shrink = function (element, /* optional */ options) {
     /***
     Shrink an element and make it disappear.
     ***/
     var d = MochiKit.DOM;
     var v = MochiKit.Visual;
     var s = MochiKit.Style;
     element = d.getElement(element);
     options = MochiKit.Base.update({
         direction: 'center',
         moveTransition: v.Transitions.sinoidal,
         scaleTransition: v.Transitions.sinoidal,
         opacityTransition: v.Transitions.none
     }, options || {});
     var oldStyle = {
         top: element.style.top,
         left: element.style.left,
         height: element.style.height,
         width: element.style.width,
         opacity: element.style.opacity || ''
     };
     var dims = s.getElementDimensions(element);
     var moveX, moveY;
     switch (options.direction) {
         case 'top-left':
             moveX = moveY = 0;
             break;
         case 'top-right':
             moveX = dims.w;
             moveY = 0;
             break;
         case 'bottom-left':
             moveX = 0;
             moveY = dims.h;
             break;
         case 'bottom-right':
             moveX = dims.w;
             moveY = dims.h;
             break;
         case 'center':
             moveX = dims.w / 2;
             moveY = dims.h / 2;
             break;
     }
     var elemClip;
     var optionsParallel = MochiKit.Base.update({
         beforeStartInternal: function (effect) {
             elemClip = d.makePositioned(effect.effects[0].element);
             d.makeClipping(effect.effects[0].element);
         },
         afterFinishInternal: function (effect) {
             s.hideElement(effect.effects[0].element);
             d.undoClipping(effect.effects[0].element, elemClip);
             d.undoPositioned(effect.effects[0].element);
             s.setStyle(effect.effects[0].element, oldStyle);
         }
     }, options || {});
     return new v.Parallel(
         [new v.Opacity(element, {
             sync: true, to: 0.0, from: 1.0,
             transition: options.opacityTransition
          }),
          new v.Scale(element, /Opera/.test(navigator.userAgent) ? 1 : 0, {
              sync: true, transition: options.scaleTransition,
              restoreAfterFinish: true
          }),
          new v.Move(element, {
              x: moveX, y: moveY, sync: true, transition: options.moveTransition
          })
         ], optionsParallel
     );
 };
 /** @id MochiKit.Visual.pulsate */
 MochiKit.Visual.pulsate = function (element, /* optional */ options) {
     /***
     Pulse an element between appear/fade.
     ***/
     var d = MochiKit.DOM;
     var v = MochiKit.Visual;
     var b = MochiKit.Base;
     var oldOpacity = d.getElement(element).style.opacity || '';
     options = b.update({
         duration: 3.0,
         from: 0,
         afterFinishInternal: function (effect) {
             MochiKit.Style.setStyle(effect.element, {opacity: oldOpacity});
         }
     }, options || {});
     var transition = options.transition || v.Transitions.sinoidal;
     var reverser = b.bind(function (pos) {
         return transition(1 - v.Transitions.pulse(pos));
     }, transition);
     b.bind(reverser, transition);
     return new v.Opacity(element, b.update({
         transition: reverser}, options));
 };
 /** @id MochiKit.Visual.fold */
 MochiKit.Visual.fold = function (element, /* optional */ options) {
     /***
     Fold an element, first vertically, then horizontally.
     ***/
     var d = MochiKit.DOM;
     var v = MochiKit.Visual;
     var s = MochiKit.Style;
     element = d.getElement(element);
     var oldStyle = {
         top: element.style.top,
         left: element.style.left,
         width: element.style.width,
         height: element.style.height
     };
     var elemClip = d.makeClipping(element);
     options = MochiKit.Base.update({
         scaleContent: false,
         scaleX: false,
         afterFinishInternal: function (effect) {
             new v.Scale(element, 1, {
                 scaleContent: false,
                 scaleY: false,
                 afterFinishInternal: function (effect) {
                     s.hideElement(effect.element);
                     d.undoClipping(effect.element, elemClip);
                     s.setStyle(effect.element, oldStyle);
                 }
             });
         }
     }, options || {});
     return new v.Scale(element, 5, options);
 };
 // Compatibility with MochiKit 1.0
 MochiKit.Visual.Color = MochiKit.Color.Color;
 MochiKit.Visual.getElementsComputedStyle = MochiKit.DOM.computedStyle;
 /* end of Rico adaptation */
 MochiKit.Visual.__new__ = function () {
     var m = MochiKit.Base;
     m.nameFunctions(this);
     this.EXPORT_TAGS = {
         ":common": this.EXPORT,
         ":all": m.concat(this.EXPORT, this.EXPORT_OK)
     };
 };
 MochiKit.Visual.EXPORT = [
     "roundElement",
     "roundClass",
     "tagifyText",
     "multiple",
     "toggle",
     "Base",
     "Parallel",
     "Opacity",
     "Move",
     "Scale",
     "Highlight",
     "ScrollTo",
     "fade",
     "appear",
     "puff",
     "blindUp",
     "blindDown",
     "switchOff",
     "dropOut",
     "shake",
     "slideDown",
     "slideUp",
     "squish",
     "grow",
     "shrink",
     "pulsate",
     "fold"
 ];
 MochiKit.Visual.EXPORT_OK = [
     "PAIRS"
 ];
 MochiKit.Visual.__new__();
 MochiKit.Base._exportSymbols(this, MochiKit.Visual);