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+/*
+ Animator.js 1.1.9
+
+ This library is released under the BSD license:
+
+ Copyright (c) 2006, Bernard Sumption. All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ Redistributions of source code must retain the above copyright notice, this
+ list of conditions and the following disclaimer. Redistributions in binary
+ form must reproduce the above copyright notice, this list of conditions and
+ the following disclaimer in the documentation and/or other materials
+ provided with the distribution. Neither the name BernieCode nor
+ the names of its contributors may be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
+ ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ DAMAGE.
+
+*/
+
+
+// Applies a sequence of numbers between 0 and 1 to a number of subjects
+// construct - see setOptions for parameters
+function Animator(options) {
+ this.setOptions(options);
+ var _this = this;
+ this.timerDelegate = function(){_this.onTimerEvent()};
+ this.subjects = [];
+ this.target = 0;
+ this.state = 0;
+ this.lastTime = null;
+};
+Animator.prototype = {
+ // apply defaults
+ setOptions: function(options) {
+ this.options = Animator.applyDefaults({
+ interval: 20, // time between animation frames
+ duration: 400, // length of animation
+ onComplete: function(){},
+ onStep: function(){},
+ transition: Animator.tx.easeInOut
+ }, options);
+ },
+ // animate from the current state to provided value
+ seekTo: function(to) {
+ this.seekFromTo(this.state, to);
+ },
+ // animate from the current state to provided value
+ seekFromTo: function(from, to) {
+ this.target = Math.max(0, Math.min(1, to));
+ this.state = Math.max(0, Math.min(1, from));
+ this.lastTime = new Date().getTime();
+ if (!this.intervalId) {
+ this.intervalId = window.setInterval(this.timerDelegate, this.options.interval);
+ }
+ },
+ // animate from the current state to provided value
+ jumpTo: function(to) {
+ this.target = this.state = Math.max(0, Math.min(1, to));
+ this.propagate();
+ },
+ // seek to the opposite of the current target
+ toggle: function() {
+ this.seekTo(1 - this.target);
+ },
+ // add a function or an object with a method setState(state) that will be called with a number
+ // between 0 and 1 on each frame of the animation
+ addSubject: function(subject) {
+ this.subjects[this.subjects.length] = subject;
+ return this;
+ },
+ // remove all subjects
+ clearSubjects: function() {
+ this.subjects = [];
+ },
+ // forward the current state to the animation subjects
+ propagate: function() {
+ var value = this.options.transition(this.state);
+ for (var i=0; i<this.subjects.length; i++) {
+ if (this.subjects[i].setState) {
+ this.subjects[i].setState(value);
+ } else {
+ this.subjects[i](value);
+ }
+ }
+ },
+ // called once per frame to update the current state
+ onTimerEvent: function() {
+ var now = new Date().getTime();
+ var timePassed = now - this.lastTime;
+ this.lastTime = now;
+ var movement = (timePassed / this.options.duration) * (this.state < this.target ? 1 : -1);
+ if (Math.abs(movement) >= Math.abs(this.state - this.target)) {
+ this.state = this.target;
+ } else {
+ this.state += movement;
+ }
+
+ try {
+ this.propagate();
+ } finally {
+ this.options.onStep.call(this);
+ if (this.target == this.state) {
+ window.clearInterval(this.intervalId);
+ this.intervalId = null;
+ this.options.onComplete.call(this);
+ }
+ }
+ },
+ // shortcuts
+ play: function() {this.seekFromTo(0, 1)},
+ reverse: function() {this.seekFromTo(1, 0)},
+ // return a string describing this Animator, for debugging
+ inspect: function() {
+ var str = "#<Animator:\n";
+ for (var i=0; i<this.subjects.length; i++) {
+ str += this.subjects[i].inspect();
+ }
+ str += ">";
+ return str;
+ }
+};
+// merge the properties of two objects
+Animator.applyDefaults = function(defaults, prefs) {
+ prefs = prefs || {};
+ var prop, result = {};
+ for (prop in defaults) result[prop] = prefs[prop] !== undefined ? prefs[prop] : defaults[prop];
+ return result;
+};
+// make an array from any object
+Animator.makeArray = function(o) {
+ if (o == null) return [];
+ if (!o.length) return [o];
+ var result = [];
+ for (var i=0; i<o.length; i++) result[i] = o[i];
+ return result;
+};
+// convert a dash-delimited-property to a camelCaseProperty (c/o Prototype, thanks Sam!)
+Animator.camelize = function(string) {
+ var oStringList = string.split('-');
+ if (oStringList.length == 1) return oStringList[0];
+
+ var camelizedString = string.indexOf('-') == 0
+ ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1)
+ : oStringList[0];
+
+ for (var i = 1, len = oStringList.length; i < len; i++) {
+ var s = oStringList[i];
+ camelizedString += s.charAt(0).toUpperCase() + s.substring(1);
+ }
+ return camelizedString;
+};
+// syntactic sugar for creating CSSStyleSubjects
+Animator.apply = function(el, style, options) {
+ if (style instanceof Array) {
+ return new Animator(options).addSubject(new CSSStyleSubject(el, style[0], style[1]));
+ }
+ return new Animator(options).addSubject(new CSSStyleSubject(el, style));
+};
+// make a transition function that gradually accelerates. pass a=1 for smooth
+// gravitational acceleration, higher values for an exaggerated effect
+Animator.makeEaseIn = function(a) {
+ return function(state) {
+ return Math.pow(state, a*2);
+ }
+};
+// as makeEaseIn but for deceleration
+Animator.makeEaseOut = function(a) {
+ return function(state) {
+ return 1 - Math.pow(1 - state, a*2);
+ }
+};
+// make a transition function that, like an object with momentum being attracted to a point,
+// goes past the target then returns
+Animator.makeElastic = function(bounces) {
+ return function(state) {
+ state = Animator.tx.easeInOut(state);
+ return ((1-Math.cos(state * Math.PI * bounces)) * (1 - state)) + state;
+ }
+};
+// make an Attack Decay Sustain Release envelope that starts and finishes on the same level
+//
+Animator.makeADSR = function(attackEnd, decayEnd, sustainEnd, sustainLevel) {
+ if (sustainLevel == null) sustainLevel = 0.5;
+ return function(state) {
+ if (state < attackEnd) {
+ return state / attackEnd;
+ }
+ if (state < decayEnd) {
+ return 1 - ((state - attackEnd) / (decayEnd - attackEnd) * (1 - sustainLevel));
+ }
+ if (state < sustainEnd) {
+ return sustainLevel;
+ }
+ return sustainLevel * (1 - ((state - sustainEnd) / (1 - sustainEnd)));
+ }
+};
+// make a transition function that, like a ball falling to floor, reaches the target and/
+// bounces back again
+Animator.makeBounce = function(bounces) {
+ var fn = Animator.makeElastic(bounces);
+ return function(state) {
+ state = fn(state);
+ return state <= 1 ? state : 2-state;
+ }
+};
+
+// pre-made transition functions to use with the 'transition' option
+Animator.tx = {
+ easeInOut: function(pos){
+ return ((-Math.cos(pos*Math.PI)/2) + 0.5);
+ },
+ linear: function(x) {
+ return x;
+ },
+ easeIn: Animator.makeEaseIn(1.5),
+ easeOut: Animator.makeEaseOut(1.5),
+ strongEaseIn: Animator.makeEaseIn(2.5),
+ strongEaseOut: Animator.makeEaseOut(2.5),
+ elastic: Animator.makeElastic(1),
+ veryElastic: Animator.makeElastic(3),
+ bouncy: Animator.makeBounce(1),
+ veryBouncy: Animator.makeBounce(3)
+};
+
+// animates a pixel-based style property between two integer values
+function NumericalStyleSubject(els, property, from, to, units) {
+ this.els = Animator.makeArray(els);
+ if (property == 'opacity' && window.ActiveXObject) {
+ this.property = 'filter';
+ } else {
+ this.property = Animator.camelize(property);
+ }
+ this.from = parseFloat(from);
+ this.to = parseFloat(to);
+ this.units = units != null ? units : 'px';
+}
+NumericalStyleSubject.prototype = {
+ setState: function(state) {
+ var style = this.getStyle(state);
+ var visibility = (this.property == 'opacity' && state == 0) ? 'hidden' : '';
+ var j=0;
+ for (var i=0; i<this.els.length; i++) {
+ try {
+ this.els[i].style[this.property] = style;
+ } catch (e) {
+ // ignore fontWeight - intermediate numerical values cause exeptions in firefox
+ if (this.property != 'fontWeight') throw e;
+ }
+ if (j++ > 20) return;
+ }
+ },
+ getStyle: function(state) {
+ state = this.from + ((this.to - this.from) * state);
+ if (this.property == 'filter') return "alpha(opacity=" + Math.round(state*100) + ")";
+ if (this.property == 'opacity') return state;
+ return Math.round(state) + this.units;
+ },
+ inspect: function() {
+ return "\t" + this.property + "(" + this.from + this.units + " to " + this.to + this.units + ")\n";
+ }
+};
+
+// animates a colour based style property between two hex values
+function ColorStyleSubject(els, property, from, to) {
+ this.els = Animator.makeArray(els);
+ this.property = Animator.camelize(property);
+ this.to = this.expandColor(to);
+ this.from = this.expandColor(from);
+ this.origFrom = from;
+ this.origTo = to;
+}
+
+ColorStyleSubject.prototype = {
+ // parse "#FFFF00" to [256, 256, 0]
+ expandColor: function(color) {
+ var hexColor, red, green, blue;
+ hexColor = ColorStyleSubject.parseColor(color);
+ if (hexColor) {
+ red = parseInt(hexColor.slice(1, 3), 16);
+ green = parseInt(hexColor.slice(3, 5), 16);
+ blue = parseInt(hexColor.slice(5, 7), 16);
+ return [red,green,blue]
+ }
+ if (window.DEBUG) {
+ alert("Invalid colour: '" + color + "'");
+ }
+ },
+ getValueForState: function(color, state) {
+ return Math.round(this.from[color] + ((this.to[color] - this.from[color]) * state));
+ },
+ setState: function(state) {
+ var color = '#'
+ + ColorStyleSubject.toColorPart(this.getValueForState(0, state))
+ + ColorStyleSubject.toColorPart(this.getValueForState(1, state))
+ + ColorStyleSubject.toColorPart(this.getValueForState(2, state));
+ for (var i=0; i<this.els.length; i++) {
+ this.els[i].style[this.property] = color;
+ }
+ },
+ inspect: function() {
+ return "\t" + this.property + "(" + this.origFrom + " to " + this.origTo + ")\n";
+ }
+};
+
+// return a properly formatted 6-digit hex colour spec, or false
+ColorStyleSubject.parseColor = function(string) {
+ var color = '#', match;
+ if(match = ColorStyleSubject.parseColor.rgbRe.exec(string)) {
+ var part;
+ for (var i=1; i<=3; i++) {
+ part = Math.max(0, Math.min(255, parseInt(match[i])));
+ color += ColorStyleSubject.toColorPart(part);
+ }
+ return color;
+ }
+ if (match = ColorStyleSubject.parseColor.hexRe.exec(string)) {
+ if(match[1].length == 3) {
+ for (var i=0; i<3; i++) {
+ color += match[1].charAt(i) + match[1].charAt(i);
+ }
+ return color;
+ }
+ return '#' + match[1];
+ }
+ return false;
+};
+// convert a number to a 2 digit hex string
+ColorStyleSubject.toColorPart = function(number) {
+ if (number > 255) number = 255;
+ var digits = number.toString(16);
+ if (number < 16) return '0' + digits;
+ return digits;
+};
+ColorStyleSubject.parseColor.rgbRe = /^rgb\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/i;
+ColorStyleSubject.parseColor.hexRe = /^\#([0-9a-fA-F]{3}|[0-9a-fA-F]{6})$/;
+
+// Animates discrete styles, i.e. ones that do not scale but have discrete values
+// that can't be interpolated
+function DiscreteStyleSubject(els, property, from, to, threshold) {
+ this.els = Animator.makeArray(els);
+ this.property = Animator.camelize(property);
+ this.from = from;
+ this.to = to;
+ this.threshold = threshold || 0.5;
+}
+
+DiscreteStyleSubject.prototype = {
+ setState: function(state) {
+ var j=0;
+ for (var i=0; i<this.els.length; i++) {
+ this.els[i].style[this.property] = state <= this.threshold ? this.from : this.to;
+ }
+ },
+ inspect: function() {
+ return "\t" + this.property + "(" + this.from + " to " + this.to + " @ " + this.threshold + ")\n";
+ }
+};
+
+// animates between two styles defined using CSS.
+// if style1 and style2 are present, animate between them, if only style1
+// is present, animate between the element's current style and style1
+function CSSStyleSubject(els, style1, style2) {
+ els = Animator.makeArray(els);
+ this.subjects = [];
+ if (els.length == 0) return;
+ var prop, toStyle, fromStyle;
+ if (style2) {
+ fromStyle = this.parseStyle(style1, els[0]);
+ toStyle = this.parseStyle(style2, els[0]);
+ } else {
+ toStyle = this.parseStyle(style1, els[0]);
+ fromStyle = {};
+ for (prop in toStyle) {
+ fromStyle[prop] = CSSStyleSubject.getStyle(els[0], prop);
+ }
+ }
+ // remove unchanging properties
+ var prop;
+ for (prop in fromStyle) {
+ if (fromStyle[prop] == toStyle[prop]) {
+ delete fromStyle[prop];
+ delete toStyle[prop];
+ }
+ }
+ // discover the type (numerical or colour) of each style
+ var prop, units, match, type, from, to;
+ for (prop in fromStyle) {
+ var fromProp = String(fromStyle[prop]);
+ var toProp = String(toStyle[prop]);
+ if (toStyle[prop] == null) {
+ if (window.DEBUG) alert("No to style provided for '" + prop + '"');
+ continue;
+ }
+
+ if (from = ColorStyleSubject.parseColor(fromProp)) {
+ to = ColorStyleSubject.parseColor(toProp);
+ type = ColorStyleSubject;
+ } else if (fromProp.match(CSSStyleSubject.numericalRe)
+ && toProp.match(CSSStyleSubject.numericalRe)) {
+ from = parseFloat(fromProp);
+ to = parseFloat(toProp);
+ type = NumericalStyleSubject;
+ match = CSSStyleSubject.numericalRe.exec(fromProp);
+ var reResult = CSSStyleSubject.numericalRe.exec(toProp);
+ if (match[1] != null) {
+ units = match[1];
+ } else if (reResult[1] != null) {
+ units = reResult[1];
+ } else {
+ units = reResult;
+ }
+ } else if (fromProp.match(CSSStyleSubject.discreteRe)
+ && toProp.match(CSSStyleSubject.discreteRe)) {
+ from = fromProp;
+ to = toProp;
+ type = DiscreteStyleSubject;
+ units = 0; // hack - how to get an animator option down to here
+ } else {
+ if (window.DEBUG) {
+ alert("Unrecognised format for value of "
+ + prop + ": '" + fromStyle[prop] + "'");
+ }
+ continue;
+ }
+ this.subjects[this.subjects.length] = new type(els, prop, from, to, units);
+ }
+}
+
+CSSStyleSubject.prototype = {
+ // parses "width: 400px; color: #FFBB2E" to {width: "400px", color: "#FFBB2E"}
+ parseStyle: function(style, el) {
+ var rtn = {};
+ // if style is a rule set
+ if (style.indexOf(":") != -1) {
+ var styles = style.split(";");
+ for (var i=0; i<styles.length; i++) {
+ var parts = CSSStyleSubject.ruleRe.exec(styles[i]);
+ if (parts) {
+ rtn[parts[1]] = parts[2];
+ }
+ }
+ }
+ // else assume style is a class name
+ else {
+ var prop, value, oldClass;
+ oldClass = el.className;
+ el.className = style;
+ for (var i=0; i<CSSStyleSubject.cssProperties.length; i++) {
+ prop = CSSStyleSubject.cssProperties[i];
+ value = CSSStyleSubject.getStyle(el, prop);
+ if (value != null) {
+ rtn[prop] = value;
+ }
+ }
+ el.className = oldClass;
+ }
+ return rtn;
+
+ },
+ setState: function(state) {
+ for (var i=0; i<this.subjects.length; i++) {
+ this.subjects[i].setState(state);
+ }
+ },
+ inspect: function() {
+ var str = "";
+ for (var i=0; i<this.subjects.length; i++) {
+ str += this.subjects[i].inspect();
+ }
+ return str;
+ }
+};
+// get the current value of a css property,
+CSSStyleSubject.getStyle = function(el, property){
+ var style;
+ if(document.defaultView && document.defaultView.getComputedStyle){
+ style = document.defaultView.getComputedStyle(el, "").getPropertyValue(property);
+ if (style) {
+ return style;
+ }
+ }
+ property = Animator.camelize(property);
+ if(el.currentStyle){
+ style = el.currentStyle[property];
+ }
+ return style || el.style[property]
+};
+
+
+CSSStyleSubject.ruleRe = /^\s*([a-zA-Z\-]+)\s*:\s*(\S(.+\S)?)\s*$/;
+CSSStyleSubject.numericalRe = /^-?\d+(?:\.\d+)?(%|[a-zA-Z]{2})?$/;
+CSSStyleSubject.discreteRe = /^\w+$/;
+
+// required because the style object of elements isn't enumerable in Safari
+/*
+CSSStyleSubject.cssProperties = ['background-color','border','border-color','border-spacing',
+'border-style','border-top','border-right','border-bottom','border-left','border-top-color',
+'border-right-color','border-bottom-color','border-left-color','border-top-width','border-right-width',
+'border-bottom-width','border-left-width','border-width','bottom','color','font-size','font-size-adjust',
+'font-stretch','font-style','height','left','letter-spacing','line-height','margin','margin-top',
+'margin-right','margin-bottom','margin-left','marker-offset','max-height','max-width','min-height',
+'min-width','orphans','outline','outline-color','outline-style','outline-width','overflow','padding',
+'padding-top','padding-right','padding-bottom','padding-left','quotes','right','size','text-indent',
+'top','width','word-spacing','z-index','opacity','outline-offset'];*/
+
+
+CSSStyleSubject.cssProperties = ['azimuth','background','background-attachment','background-color','background-image','background-position','background-repeat','border-collapse','border-color','border-spacing','border-style','border-top','border-top-color','border-right-color','border-bottom-color','border-left-color','border-top-style','border-right-style','border-bottom-style','border-left-style','border-top-width','border-right-width','border-bottom-width','border-left-width','border-width','bottom','clear','clip','color','content','cursor','direction','display','elevation','empty-cells','css-float','font','font-family','font-size','font-size-adjust','font-stretch','font-style','font-variant','font-weight','height','left','letter-spacing','line-height','list-style','list-style-image','list-style-position','list-style-type','margin','margin-top','margin-right','margin-bottom','margin-left','max-height','max-width','min-height','min-width','orphans','outline','outline-color','outline-style','outline-width','overflow','padding','padding-top','padding-right','padding-bottom','padding-left','pause','position','right','size','table-layout','text-align','text-decoration','text-indent','text-shadow','text-transform','top','vertical-align','visibility','white-space','width','word-spacing','z-index','opacity','outline-offset','overflow-x','overflow-y'];
+
+
+// chains several Animator objects together
+function AnimatorChain(animators, options) {
+ this.animators = animators;
+ this.setOptions(options);
+ for (var i=0; i<this.animators.length; i++) {
+ this.listenTo(this.animators[i]);
+ }
+ this.forwards = false;
+ this.current = 0;
+}
+
+AnimatorChain.prototype = {
+ // apply defaults
+ setOptions: function(options) {
+ this.options = Animator.applyDefaults({
+ // by default, each call to AnimatorChain.play() calls jumpTo(0) of each animator
+ // before playing, which can cause flickering if you have multiple animators all
+ // targeting the same element. Set this to false to avoid this.
+ resetOnPlay: true
+ }, options);
+ },
+ // play each animator in turn
+ play: function() {
+ this.forwards = true;
+ this.current = -1;
+ if (this.options.resetOnPlay) {
+ for (var i=0; i<this.animators.length; i++) {
+ this.animators[i].jumpTo(0);
+ }
+ }
+ this.advance();
+ },
+ // play all animators backwards
+ reverse: function() {
+ this.forwards = false;
+ this.current = this.animators.length;
+ if (this.options.resetOnPlay) {
+ for (var i=0; i<this.animators.length; i++) {
+ this.animators[i].jumpTo(1);
+ }
+ }
+ this.advance();
+ },
+ // if we have just play()'d, then call reverse(), and vice versa
+ toggle: function() {
+ if (this.forwards) {
+ this.seekTo(0);
+ } else {
+ this.seekTo(1);
+ }
+ },
+ // internal: install an event listener on an animator's onComplete option
+ // to trigger the next animator
+ listenTo: function(animator) {
+ var oldOnComplete = animator.options.onComplete;
+ var _this = this;
+ animator.options.onComplete = function() {
+ if (oldOnComplete) oldOnComplete.call(animator);
+ _this.advance();
+ }
+ },
+ // play the next animator
+ advance: function() {
+ if (this.forwards) {
+ if (this.animators[this.current + 1] == null) return;
+ this.current++;
+ this.animators[this.current].play();
+ } else {
+ if (this.animators[this.current - 1] == null) return;
+ this.current--;
+ this.animators[this.current].reverse();
+ }
+ },
+ // this function is provided for drop-in compatibility with Animator objects,
+ // but only accepts 0 and 1 as target values
+ seekTo: function(target) {
+ if (target <= 0) {
+ this.forwards = false;
+ this.animators[this.current].seekTo(0);
+ } else {
+ this.forwards = true;
+ this.animators[this.current].seekTo(1);
+ }
+ }
+};
+
+// an Accordion is a class that creates and controls a number of Animators. An array of elements is passed in,
+// and for each element an Animator and a activator button is created. When an Animator's activator button is
+// clicked, the Animator and all before it seek to 0, and all Animators after it seek to 1. This can be used to
+// create the classic Accordion effect, hence the name.
+// see setOptions for arguments
+function Accordion(options) {
+ this.setOptions(options);
+ var selected = this.options.initialSection, current;
+ if (this.options.rememberance) {
+ current = document.location.hash.substring(1);
+ }
+ this.rememberanceTexts = [];
+ this.ans = [];
+ var _this = this;
+ for (var i=0; i<this.options.sections.length; i++) {
+ var el = this.options.sections[i];
+ var an = new Animator(this.options.animatorOptions);
+ var from = this.options.from + (this.options.shift * i);
+ var to = this.options.to + (this.options.shift * i);
+ an.addSubject(new NumericalStyleSubject(el, this.options.property, from, to, this.options.units));
+ an.jumpTo(0);
+ var activator = this.options.getActivator(el);
+ activator.index = i;
+ activator.onclick = function(){_this.show(this.index)};
+ this.ans[this.ans.length] = an;
+ this.rememberanceTexts[i] = activator.innerHTML.replace(/\s/g, "");
+ if (this.rememberanceTexts[i] === current) {
+ selected = i;
+ }
+ }
+ this.show(selected);
+}
+
+Accordion.prototype = {
+ // apply defaults
+ setOptions: function(options) {
+ this.options = Object.extend({
+ // REQUIRED: an array of elements to use as the accordion sections
+ sections: null,
+ // a function that locates an activator button element given a section element.
+ // by default it takes a button id from the section's "activator" attibute
+ getActivator: function(el) {return document.getElementById(el.getAttribute("activator"))},
+ // shifts each animator's range, for example with options {from:0,to:100,shift:20}
+ // the animators' ranges will be 0-100, 20-120, 40-140 etc.
+ shift: 0,
+ // the first page to show
+ initialSection: 0,
+ // if set to true, document.location.hash will be used to preserve the open section across page reloads
+ rememberance: true,
+ // constructor arguments to the Animator objects
+ animatorOptions: {}
+ }, options || {});
+ },
+ show: function(section) {
+ for (var i=0; i<this.ans.length; i++) {
+ this.ans[i].seekTo(i > section ? 1 : 0);
+ }
+ if (this.options.rememberance) {
+ document.location.hash = this.rememberanceTexts[section];
+ }
+ }
+};
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 19:00:17 +0000