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.duration=500;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);if(Spry.Widget.Accordion.onloadDidFire) this.attachBehaviors();else Spry.Widget.Accordion.loadQueue.push(this);};Spry.Widget.Accordion.onloadDidFire=false;Spry.Widget.Accordion.loadQueue=[];Spry.Widget.Accordion.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.Accordion.processLoadQueue=function(handler) {Spry.Widget.Accordion.onloadDidFire=true;var q=Spry.Widget.Accordion.loadQueue;var qlen=q.length;for(var i=0;i<qlen;i++) q[i].attachBehaviors();};Spry.Widget.Accordion.addLoadListener(Spry.Widget.Accordion.processLoadQueue);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(panel) {if(panel) this.addClassName(this.getPanelTab(panel),this.hoverClass);};Spry.Widget.Accordion.prototype.onPanelTabMouseOut=function(panel) {if(panel) this.removeClassName(this.getPanelTab(panel),this.hoverClass);};Spry.Widget.Accordion.prototype.openPanel=function(panel) {var panelA=this.currentPanel;var panelB=panel;if(!panelB||panelA==panelB) return;var contentA;if(panelA) contentA=this.getPanelContent(panelA);var contentB=this.getPanelContent(panelB);if(!contentB) return;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});this.animator.start();} else {if(contentA) contentA.style.height="0px";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;};Spry.Widget.Accordion.prototype.openNextPanel=function() {var panels=this.getPanels();var curPanelIndex=this.getCurrentPanelIndex();if(panels&&curPanelIndex>=0&&(curPanelIndex+1)<panels.length) this.openPanel(panels[curPanelIndex+1]);};Spry.Widget.Accordion.prototype.openPreviousPanel=function() {var panels=this.getPanels();var curPanelIndex=this.getCurrentPanelIndex();if(panels&&curPanelIndex>0&&curPanelIndex<panels.length) this.openPanel(panels[curPanelIndex-1]);};Spry.Widget.Accordion.prototype.openFirstPanel=function() {var panels=this.getPanels();if(panels) this.openPanel(panels[0]);};Spry.Widget.Accordion.prototype.openLastPanel=function() {var panels=this.getPanels();if(panels) this.openPanel(panels[panels.length-1]);};Spry.Widget.Accordion.prototype.onPanelClick=function(panel) {if(panel!=this.currentPanel) this.openPanel(panel);this.focus();};Spry.Widget.Accordion.prototype.onFocus=function(e) {this.hasFocus=true;this.addClassName(this.element,this.focusedClass);};Spry.Widget.Accordion.prototype.onBlur=function(e) {this.hasFocus=false;this.removeClassName(this.element,this.focusedClass);};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.stopPropagation) e.stopPropagation();if(e.preventDefault) e.preventDefault();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.onPanelClick(panel);},false);Spry.Widget.Accordion.addEventListener(tab,"mouseover",function(e){return self.onPanelTabMouseOver(panel);},false);Spry.Widget.Accordion.addEventListener(tab,"mouseout",function(e){return self.onPanelTabMouseOut(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);} else {this.removeClassName(panel,this.openClass);this.addClassName(panel,this.closedClass);content.style.height="0px";} 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);} if(this.enableKeyboardNavigation) {var tabIndexAttr=this.element.attributes.getNamedItem("tabindex");if(tabIndexAttr) {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.getCurrentPanelIndex=function() {var panels=this.getPanels();for(var i=0;i<panels.length;i++) {if(this.currentPanel==panels[i]) return i;} return 0;};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.PanelAnimator=function(accordion,panel,opts) {this.timer=null;this.interval=0;this.stepCount=0;this.fps=0;this.steps=10;this.duration=500;this.onComplete=null;this.panel=panel;this.panelToOpen=accordion.getElement(panel);this.panelData=[];Spry.Widget.Accordion.setOptions(this,opts,true);if(this.fps>0) {this.interval=Math.floor(1000/this.fps);this.steps=parseInt((this.duration+(this.interval-1))/this.interval);} else if(this.steps>0) this.interval=this.duration/this.steps;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) {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.increment=(obj.toHeight-obj.fromHeight)/this.steps;obj.overflow=c.style.overflow;this.panelData.push(obj);c.style.overflow="hidden";c.style.height=h+"px";}}}};Spry.Widget.Accordion.PanelAnimator.prototype.start=function() {var self=this;this.timer=setTimeout(function(){self.stepAnimation();},this.interval);};Spry.Widget.Accordion.PanelAnimator.prototype.stop=function() {if(this.timer) {clearTimeout(this.timer);if(this.stepCount<this.steps) {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() {++this.stepCount;this.animate();if(this.stepCount<this.steps) this.start();else if(this.onComplete) this.onComplete();};Spry.Widget.Accordion.PanelAnimator.prototype.animate=function() {var i,obj;if(this.stepCount>=this.steps) {for(i=0;i<this.panelData.length;i++) {obj=this.panelData[i];if(obj.panel!=this.panel) obj.content.style.height="0px";obj.content.style.overflow=obj.overflow;obj.content.style.height=obj.toHeight+"px";}} else {for(i=0;i<this.panelData.length;i++) {obj=this.panelData[i];obj.fromHeight+=obj.increment;obj.content.style.height=obj.fromHeight+"px";}}};
