var Spry;if (!Spry) Spry = {};if (!Spry.Widget) Spry.Widget = {};Spry.Widget.Accordion = function(element, opts){	this.element = this.getElement(element);	this.defaultPanel = 0;	this.hoverClass = "AccordionPanelTabHover";	this.openClass = "AccordionPanelOpen";	this.closedClass = "AccordionPanelClosed";	this.focusedClass = "AccordionFocused";	this.enableAnimation = true;	this.enableKeyboardNavigation = true;	this.currentPanel = null;	this.animator = null;	this.hasFocus = null;	this.previousPanelKeyCode = Spry.Widget.Accordion.KEY_UP;	this.nextPanelKeyCode = Spry.Widget.Accordion.KEY_DOWN;	this.useFixedPanelHeights = true;	this.fixedPanelHeight = 0;	Spry.Widget.Accordion.setOptions(this, opts, true);	this.attachBehaviors();};Spry.Widget.Accordion.prototype.getElement = function(ele){	if (ele && typeof ele == "string")	return document.getElementById(ele);	return ele;};Spry.Widget.Accordion.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.Accordion.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.Accordion.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.Accordion.prototype.onPanelTabMouseOver = function(e, panel){	if (panel)	this.addClassName(this.getPanelTab(panel), this.hoverClass);	return false;};Spry.Widget.Accordion.prototype.onPanelTabMouseOut = function(e, panel){	if (panel)	this.removeClassName(this.getPanelTab(panel), this.hoverClass);	return false;};Spry.Widget.Accordion.prototype.openPanel = function(elementOrIndex){	var panelA = this.currentPanel;	var panelB;	if (typeof elementOrIndex == "number")	panelB = this.getPanels()[elementOrIndex];	else	panelB = this.getElement(elementOrIndex);	if (!panelB || panelA == panelB)	return null;	var contentA = panelA ? this.getPanelContent(panelA) : null;	var contentB = this.getPanelContent(panelB);	if (!contentB)	return null;	if (this.useFixedPanelHeights && !this.fixedPanelHeight)	this.fixedPanelHeight = (contentA.offsetHeight) ? contentA.offsetHeight : contentA.scrollHeight;	if (this.enableAnimation)	{	if (this.animator)	this.animator.stop();	this.animator = new Spry.Widget.Accordion.PanelAnimator(this, panelB, { duration: this.duration, fps: this.fps, transition: this.transition });	this.animator.start();	}	else	{	if(contentA)	{	contentA.style.display = "none";	contentA.style.height = "0px";	}	contentB.style.display = "block";	contentB.style.height = (this.useFixedPanelHeights ? this.fixedPanelHeight : contentB.scrollHeight) + "px";	}	if(panelA)	{	this.removeClassName(panelA, this.openClass);	this.addClassName(panelA, this.closedClass);	}	this.removeClassName(panelB, this.closedClass);	this.addClassName(panelB, this.openClass);	this.currentPanel = panelB;	return panelB;};Spry.Widget.Accordion.prototype.closePanel = function(){	if (!this.useFixedPanelHeights && this.currentPanel)	{	var panel = this.currentPanel;	var content = this.getPanelContent(panel);	if (content)	{	if (this.enableAnimation)	{	if (this.animator)	this.animator.stop();	this.animator = new Spry.Widget.Accordion.PanelAnimator(this, null, { duration: this.duration, fps: this.fps, transition: this.transition });	this.animator.start();	}	else	{	content.style.display = "none";	content.style.height = "0px";	}	}	this.removeClassName(panel, this.openClass);	this.addClassName(panel, this.closedClass);	this.currentPanel = null;	}};Spry.Widget.Accordion.prototype.openNextPanel = function(){	return this.openPanel(this.getCurrentPanelIndex() + 1);};Spry.Widget.Accordion.prototype.openPreviousPanel = function(){	return this.openPanel(this.getCurrentPanelIndex() - 1);};Spry.Widget.Accordion.prototype.openFirstPanel = function(){	return this.openPanel(0);};Spry.Widget.Accordion.prototype.openLastPanel = function(){	var panels = this.getPanels();	return this.openPanel(panels[panels.length - 1]);};Spry.Widget.Accordion.prototype.onPanelTabClick = function(e, panel){	if (panel != this.currentPanel)	this.openPanel(panel);	else	this.closePanel();	if (this.enableKeyboardNavigation)	this.focus();	if (e.preventDefault) e.preventDefault();	else e.returnValue = false;	if (e.stopPropagation) e.stopPropagation();	else e.cancelBubble = true;	return false;};Spry.Widget.Accordion.prototype.onFocus = function(e){	this.hasFocus = true;	this.addClassName(this.element, this.focusedClass);	return false;};Spry.Widget.Accordion.prototype.onBlur = function(e){	this.hasFocus = false;	this.removeClassName(this.element, this.focusedClass);	return false;};Spry.Widget.Accordion.KEY_UP = 38;Spry.Widget.Accordion.KEY_DOWN = 40;Spry.Widget.Accordion.prototype.onKeyDown = function(e){	var key = e.keyCode;	if (!this.hasFocus || (key != this.previousPanelKeyCode && key != this.nextPanelKeyCode))	return true;	var panels = this.getPanels();	if (!panels || panels.length < 1)	return false;	var currentPanel = this.currentPanel ? this.currentPanel : panels[0];	var nextPanel = (key == this.nextPanelKeyCode) ? currentPanel.nextSibling : currentPanel.previousSibling;	while (nextPanel)	{	if (nextPanel.nodeType == 1)	break;	nextPanel = (key == this.nextPanelKeyCode) ? nextPanel.nextSibling : nextPanel.previousSibling;	}	if (nextPanel && currentPanel != nextPanel)	this.openPanel(nextPanel);	if (e.preventDefault) e.preventDefault();	else e.returnValue = false;	if (e.stopPropagation) e.stopPropagation();	else e.cancelBubble = true;	return false;};Spry.Widget.Accordion.prototype.attachPanelHandlers = function(panel){	if (!panel)	return;	var tab = this.getPanelTab(panel);	if (tab)	{	var self = this;	Spry.Widget.Accordion.addEventListener(tab, "click", function(e) { return self.onPanelTabClick(e, panel); }, false);	Spry.Widget.Accordion.addEventListener(tab, "mouseover", function(e) { return self.onPanelTabMouseOver(e, panel); }, false);	Spry.Widget.Accordion.addEventListener(tab, "mouseout", function(e) { return self.onPanelTabMouseOut(e, panel); }, false);	}};Spry.Widget.Accordion.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.Accordion.prototype.initPanel = function(panel, isDefault){	var content = this.getPanelContent(panel);	if (isDefault)	{	this.currentPanel = panel;	this.removeClassName(panel, this.closedClass);	this.addClassName(panel, this.openClass);	if (content)	{	if (this.useFixedPanelHeights)	{	if (this.fixedPanelHeight)	content.style.height = this.fixedPanelHeight + "px";	}	else	{	content.style.height = "auto";	}	}	}	else	{	this.removeClassName(panel, this.openClass);	this.addClassName(panel, this.closedClass);	if (content)	{	content.style.height = "0px";	content.style.display = "none";	}	}	this.attachPanelHandlers(panel);};Spry.Widget.Accordion.prototype.attachBehaviors = function(){	var panels = this.getPanels();	for (var i = 0; i < panels.length; i++)	this.initPanel(panels[i], i == this.defaultPanel);	this.enableKeyboardNavigation = (this.enableKeyboardNavigation && this.element.attributes.getNamedItem("tabindex"));	if (this.enableKeyboardNavigation)	{	var self = this;	Spry.Widget.Accordion.addEventListener(this.element, "focus", function(e) { return self.onFocus(e); }, false);	Spry.Widget.Accordion.addEventListener(this.element, "blur", function(e) { return self.onBlur(e); }, false);	Spry.Widget.Accordion.addEventListener(this.element, "keydown", function(e) { return self.onKeyDown(e); }, false);	}};Spry.Widget.Accordion.prototype.getPanels = function(){	return this.getElementChildren(this.element);};Spry.Widget.Accordion.prototype.getCurrentPanel = function(){	return this.currentPanel;};Spry.Widget.Accordion.prototype.getPanelIndex = function(panel){	var panels = this.getPanels();	for( var i = 0 ; i < panels.length; i++ )	{	if( panel == panels[i] )	return i;	}	return -1;};Spry.Widget.Accordion.prototype.getCurrentPanelIndex = function(){	return this.getPanelIndex(this.currentPanel);};Spry.Widget.Accordion.prototype.getPanelTab = function(panel){	if (!panel)	return null;	return this.getElementChildren(panel)[0];};Spry.Widget.Accordion.prototype.getPanelContent = function(panel){	if (!panel)	return null;	return this.getElementChildren(panel)[1];};Spry.Widget.Accordion.prototype.getElementChildren = function(element){	var children = [];	var child = element.firstChild;	while (child)	{	if (child.nodeType == 1)	children.push(child);	child = child.nextSibling;	}	return children;};Spry.Widget.Accordion.prototype.focus = function(){	if (this.element && this.element.focus)	this.element.focus();};Spry.Widget.Accordion.prototype.blur = function(){	if (this.element && this.element.blur)	this.element.blur();};Spry.Widget.Accordion.PanelAnimator = function(accordion, panel, opts){	this.timer = null;	this.interval = 0;	this.fps = 60;	this.duration = 500;	this.startTime = 0;	this.transition = Spry.Widget.Accordion.PanelAnimator.defaultTransition;	this.onComplete = null;	this.panel = panel;	this.panelToOpen = accordion.getElement(panel);	this.panelData = [];	Spry.Widget.Accordion.setOptions(this, opts, true);	this.interval = Math.floor(1000 / this.fps);	var panels = accordion.getPanels();	for (var i = 0; i < panels.length; i++)	{	var p = panels[i];	var c = accordion.getPanelContent(p);	if (c)	{	var h = c.offsetHeight;	if (h == undefined)	h = 0;	if (p == panel && h == 0)	c.style.display = "block";	if (p == panel || h > 0)	{	var obj = new Object;	obj.panel = p;	obj.content = c;	obj.fromHeight = h;	obj.toHeight = (p == panel) ? (accordion.useFixedPanelHeights ? accordion.fixedPanelHeight : c.scrollHeight) : 0;	obj.distance = obj.toHeight - obj.fromHeight;	obj.overflow = c.style.overflow;	this.panelData.push(obj);	c.style.overflow = "hidden";	c.style.height = h + "px";	}	}	}};Spry.Widget.Accordion.PanelAnimator.defaultTransition = function(time, begin, finish, duration) { time /= duration; return begin + ((2 - time) * time * finish); };Spry.Widget.Accordion.PanelAnimator.prototype.start = function(){	var self = this;	this.startTime = (new Date).getTime();	this.timer = setTimeout(function() { self.stepAnimation(); }, this.interval);};Spry.Widget.Accordion.PanelAnimator.prototype.stop = function(){	if (this.timer)	{	clearTimeout(this.timer);	for (i = 0; i < this.panelData.length; i++)	{	obj = this.panelData[i];	obj.content.style.overflow = obj.overflow;	}	}	this.timer = null;};Spry.Widget.Accordion.PanelAnimator.prototype.stepAnimation = function(){	var curTime = (new Date).getTime();	var elapsedTime = curTime - this.startTime;	var i, obj;	if (elapsedTime >= this.duration)	{	for (i = 0; i < this.panelData.length; i++)	{	obj = this.panelData[i];	if (obj.panel != this.panel)	{	obj.content.style.display = "none";	obj.content.style.height = "0px";	}	obj.content.style.overflow = obj.overflow;	obj.content.style.height = obj.toHeight + "px";	}	if (this.onComplete)	this.onComplete();	return;	}	for (i = 0; i < this.panelData.length; i++)	{	obj = this.panelData[i];	var ht = this.transition(elapsedTime, obj.fromHeight, obj.distance, this.duration);	obj.content.style.height = ((ht < 0) ? 0 : ht) + "px";	}	var self = this;	this.timer = setTimeout(function() { self.stepAnimation(); }, this.interval);};