var Spry;if (!Spry) Spry = {};if (!Spry.Widget) Spry.Widget = {};Spry.Widget.SlidingPanels = function(element, opts){this.element = this.getElement(element);this.enableAnimation = true;this.currentPanel = null;this.enableKeyboardNavigation = true;this.hasFocus = false;this.previousPanelKeyCode = Spry.Widget.SlidingPanels.KEY_LEFT;this.nextPanelKeyCode = Spry.Widget.SlidingPanels.KEY_RIGHT;this.currentPanelClass = "SlidingPanelsCurrentPanel";this.focusedClass = "SlidingPanelsFocused";this.animatingClass = "SlidingPanelsAnimating";Spry.Widget.SlidingPanels.setOptions(this, opts);if (this.element)	this.element.style.overflow = "hidden";	if (this.defaultPanel){	if (typeof this.defaultPanel == "number")this.currentPanel = this.getContentPanels()[this.defaultPanel];	else this.currentPanel = this.getElement(this.defaultPanel);} if (!this.currentPanel)this.currentPanel = this.getContentPanels()[0];	if (Spry.Widget.SlidingPanels.onloadDidFire) this.attachBehaviors();	else Spry.Widget.SlidingPanels.loadQueue.push(this);};Spry.Widget.SlidingPanels.prototype.onFocus = function(e){this.hasFocus = true;this.addClassName(this.element, this.focusedClass);return false;};Spry.Widget.SlidingPanels.prototype.onBlur = function(e){this.hasFocus = false;this.removeClassName(this.element, this.focusedClass);return false;};Spry.Widget.SlidingPanels.KEY_LEFT = 37;Spry.Widget.SlidingPanels.KEY_UP = 38;Spry.Widget.SlidingPanels.KEY_RIGHT = 39;Spry.Widget.SlidingPanels.KEY_DOWN = 40;Spry.Widget.SlidingPanels.prototype.onKeyDown = function(e){	var key = e.keyCode;if (!this.hasFocus || (key != this.previousPanelKeyCode && key != this.nextPanelKeyCode))	return true;if (key == this.nextPanelKeyCode)this.showNextPanel();else /* if (key == this.previousPanelKeyCode) */	this.showPreviousPanel(); if (e.preventDefault) e.preventDefault();	else e.returnValue = false;	if (e.stopPropagation) e.stopPropagation();	else e.cancelBubble = true;return false;};Spry.Widget.SlidingPanels.prototype.attachBehaviors = function(){var ele = this.element;if (!ele)return;if (this.enableKeyboardNavigation){	var focusEle = null;var tabIndexAttr = ele.attributes.getNamedItem("tabindex");if (tabIndexAttr || ele.nodeName.toLowerCase() == "a")focusEle = ele;if (focusEle){	var self = this;Spry.Widget.SlidingPanels.addEventListener(focusEle, "focus", function(e) { return self.onFocus(e || window.event); }, false);Spry.Widget.SlidingPanels.addEventListener(focusEle, "blur", function(e) { return self.onBlur(e || window.event); }, false);Spry.Widget.SlidingPanels.addEventListener(focusEle, "keydown", function(e) { return self.onKeyDown(e || window.event); }, false);}}if (this.currentPanel){var ea = this.enableAnimation;	this.enableAnimation = false;this.showPanel(this.currentPanel);	this.enableAnimation = ea;}};Spry.Widget.SlidingPanels.prototype.getElement = function(ele){	if (ele && typeof ele == "string")return document.getElementById(ele);return ele;};Spry.Widget.SlidingPanels.prototype.addClassName = function(ele, className){if (!ele || !className || (ele.className && ele.className.search(new RegExp("\\b" + className + "\\b")) != -1))return;ele.className += (ele.className ? " " : "") + className;};Spry.Widget.SlidingPanels.prototype.removeClassName = function(ele, className){if (!ele || !className || (ele.className && ele.className.search(new RegExp("\\b" + className + "\\b")) == -1))	return;	ele.className = ele.className.replace(new RegExp("\\s*\\b" + className + "\\b", "g"), "");};Spry.Widget.SlidingPanels.setOptions = function(obj, optionsObj, ignoreUndefinedProps){	if (!optionsObj)return;	for (var optionName in optionsObj){	if (ignoreUndefinedProps && optionsObj[optionName] == undefined)	continue;obj[optionName] = optionsObj[optionName];}};Spry.Widget.SlidingPanels.prototype.getElementChildren = function(element){var children = [];var child = element.firstChild;while (child){if (child.nodeType == 1 /* Node.ELEMENT_NODE */)children.push(child);child = child.nextSibling;}return children;};Spry.Widget.SlidingPanels.prototype.getCurrentPanel = function(){return this.currentPanel;};Spry.Widget.SlidingPanels.prototype.getContentGroup = function(){return this.getElementChildren(this.element)[0];};Spry.Widget.SlidingPanels.prototype.getContentPanels = function(){return this.getElementChildren(this.getContentGroup());};Spry.Widget.SlidingPanels.prototype.getContentPanelsCount = function(){return this.getContentPanels().length;};Spry.Widget.SlidingPanels.onloadDidFire = false;Spry.Widget.SlidingPanels.loadQueue = [];Spry.Widget.SlidingPanels.addLoadListener = function(handler){	if (typeof window.addEventListener != 'undefined')window.addEventListener('load', handler, false);else if (typeof document.addEventListener != 'undefined')document.addEventListener('load', handler, false);else if (typeof window.attachEvent != 'undefined')	window.attachEvent('onload', handler);};Spry.Widget.SlidingPanels.processLoadQueue = function(handler){Spry.Widget.SlidingPanels.onloadDidFire = true;	var q = Spry.Widget.SlidingPanels.loadQueue;var qlen = q.length;for (var i = 0; i < qlen; i++) q[i].attachBehaviors();};Spry.Widget.SlidingPanels.addLoadListener(Spry.Widget.SlidingPanels.processLoadQueue);Spry.Widget.SlidingPanels.addEventListener = function(element, eventType, handler, capture){try	{if (element.addEventListener)element.addEventListener(eventType, handler, capture); else if (element.attachEvent) element.attachEvent("on" + eventType, handler);}	catch (e) {}};Spry.Widget.SlidingPanels.prototype.getContentPanelIndex = function(ele){if (ele){ ele = this.getElement(ele); var panels = this.getContentPanels();var numPanels = panels.length;	for (var i = 0; i < numPanels; i++)	{if (panels[i] == ele)	return i;}}	return -1;};Spry.Widget.SlidingPanels.prototype.showPanel = function(elementOrIndex){var pIndex = -1;if (typeof elementOrIndex == "number")	pIndex = elementOrIndex;else /* Must be the element for the content panel.*/pIndex = this.getContentPanelIndex(elementOrIndex);	var numPanels = this.getContentPanelsCount();if (numPanels > 0)pIndex = (pIndex >= numPanels) ? numPanels - 1 : pIndex;else	pIndex = 0;	var panel = this.getContentPanels()[pIndex];	var contentGroup = this.getContentGroup();if (panel && contentGroup){if (this.currentPanel)this.removeClassName(this.currentPanel, this.currentPanelClass);this.currentPanel = panel;	var nx = -panel.offsetLeft;var ny = -panel.offsetTop;	if (this.enableAnimation){if (this.animator)this.animator.stop();var cx = contentGroup.offsetLeft;var cy = contentGroup.offsetTop;if (cx != nx || cy != ny)	{var self = this;this.addClassName(this.element, this.animatingClass);this.animator = new Spry.Widget.SlidingPanels.PanelAnimator(contentGroup, cx, cy, nx, ny, { duration: this.duration, fps: this.fps, transition: this.transition, finish: function(){	self.removeClassName(self.element, self.animatingClass);self.addClassName(panel, self.currentPanelClass);} });this.animator.start();}}else{	contentGroup.style.left = nx + "px";contentGroup.style.top = ny + "px";	this.addClassName(panel, this.currentPanelClass);}}return panel;};Spry.Widget.SlidingPanels.prototype.showFirstPanel = function(){	return this.showPanel(0);};Spry.Widget.SlidingPanels.prototype.showLastPanel = function(){return this.showPanel(this.getContentPanels().length - 1);};Spry.Widget.SlidingPanels.prototype.showPreviousPanel = function(){return this.showPanel(this.getContentPanelIndex(this.currentPanel) - 1);};Spry.Widget.SlidingPanels.prototype.showNextPanel = function(){	return this.showPanel(this.getContentPanelIndex(this.currentPanel) + 1);};Spry.Widget.SlidingPanels.PanelAnimator = function(ele, curX, curY, dstX, dstY, opts){this.element = ele;this.curX = curX;	this.curY = curY;this.dstX = dstX;this.dstY = dstY;	this.fps = 60;this.duration = 500;this.transition = Spry.Widget.SlidingPanels.PanelAnimator.defaultTransition;this.startTime = 0;	this.timerID = 0;this.finish = null;var self = this;this.intervalFunc = function() { self.step(); };Spry.Widget.SlidingPanels.setOptions(this, opts, true);	this.interval = 1000/this.fps;};
Spry.Widget.SlidingPanels.PanelAnimator.defaultTransition = function(time, begin, finish, duration) { time /= duration; return begin + ((2 - time) * time * finish); };Spry.Widget.SlidingPanels.PanelAnimator.prototype.start = function(){	this.stop();this.startTime = (new Date()).getTime();this.timerID = setTimeout(this.intervalFunc, this.interval);};Spry.Widget.SlidingPanels.PanelAnimator.prototype.stop = function(){if (this.timerID)clearTimeout(this.timerID);this.timerID = 0;};Spry.Widget.SlidingPanels.PanelAnimator.prototype.step = function(){var elapsedTime = (new Date()).getTime() - this.startTime;	var done = elapsedTime >= this.duration;var x, y;if (done){	x = this.curX = this.dstX;y = this.curY = this.dstY;}else{x = this.transition(elapsedTime, this.curX, this.dstX - this.curX, this.duration);y = this.transition(elapsedTime, this.curY, this.dstY - this.curY, this.duration);}this.element.style.left = x + "px";this.element.style.top = y + "px";if (!done)this.timerID = setTimeout(this.intervalFunc, this.interval);else if (this.finish)this.finish();};