﻿/* Copyright (c) 2006 Patrick Fitzgerald */

function tabberObj(argsObj)
{var arg;this.div=null;this.classMain="tabber";this.classMainLive="tabberlive";this.classTab="tabbertab";this.classTabDefault="tabbertabdefault";this.classNav="tabbernav";this.classTabHide="tabbertabhide";this.classNavActive="tabberactive";this.titleElements=['h2','h3','h4','h5','h6'];this.titleElementsStripHTML=true;this.removeTitle=true;this.addLinkId=false;this.linkIdFormat='<tabberid>nav<tabnumberone>';for(arg in argsObj){this[arg]=argsObj[arg];}
this.REclassMain=new RegExp('\\b'+this.classMain+'\\b','gi');this.REclassMainLive=new RegExp('\\b'+this.classMainLive+'\\b','gi');this.REclassTab=new RegExp('\\b'+this.classTab+'\\b','gi');this.REclassTabDefault=new RegExp('\\b'+this.classTabDefault+'\\b','gi');this.REclassTabHide=new RegExp('\\b'+this.classTabHide+'\\b','gi');this.tabs=new Array();if(this.div){this.init(this.div);this.div=null;}}
tabberObj.prototype.init=function(e)
{var
childNodes,i,i2,t,defaultTab=0,DOM_ul,DOM_li,DOM_a,aId,headingElement;if(!document.getElementsByTagName){return false;}
if(e.id){this.id=e.id;}
this.tabs.length=0;childNodes=e.childNodes;for(i=0;i<childNodes.length;i++){if(childNodes[i].className&&childNodes[i].className.match(this.REclassTab)){t=new Object();t.div=childNodes[i];this.tabs[this.tabs.length]=t;if(childNodes[i].className.match(this.REclassTabDefault)){defaultTab=this.tabs.length-1;}}}
DOM_ul=document.createElement("ul");DOM_ul.className=this.classNav;for(i=0;i<this.tabs.length;i++){t=this.tabs[i];t.headingText=t.div.title;if(this.removeTitle){t.div.title='';}
if(!t.headingText){for(i2=0;i2<this.titleElements.length;i2++){headingElement=t.div.getElementsByTagName(this.titleElements[i2])[0];if(headingElement){t.headingText=headingElement.innerHTML;if(this.titleElementsStripHTML){t.headingText.replace(/<br>/gi," ");t.headingText=t.headingText.replace(/<[^>]+>/g,"");}
break;}}}
if(!t.headingText){t.headingText=i+1;}
DOM_li=document.createElement("li");t.li=DOM_li;DOM_a=document.createElement("a");DOM_a.appendChild(document.createTextNode(t.headingText));DOM_a.href="javascript:void(null);";DOM_a.title=t.headingText;DOM_a.onclick=this.navClick;DOM_a.tabber=this;DOM_a.tabberIndex=i;if(this.addLinkId&&this.linkIdFormat){liId=this.linkIdFormat;liId=liId.replace(/<tabberid>/gi,this.id);liId=liId.replace(/<tabnumberzero>/gi,i);liId=liId.replace(/<tabnumberone>/gi,i+1);liId=liId.replace(/<tabtitle>/gi,t.headingText.replace(/[^a-zA-Z0-9\-]/gi,''));DOM_li.id=liId;}
DOM_li.appendChild(DOM_a);DOM_ul.appendChild(DOM_li);}
e.insertBefore(DOM_ul,e.firstChild);e.className=e.className.replace(this.REclassMain,this.classMainLive);this.tabShow(defaultTab);if(typeof this.onLoad=='function'){this.onLoad({tabber:this});}
return this;};tabberObj.prototype.navClick=function(event)
{var
rVal,a,self,tabberIndex,onClickArgs;a=this;if(!a.tabber){return false;}
self=a.tabber;tabberIndex=a.tabberIndex;a.blur();if(typeof self.onClick=='function'){onClickArgs={'tabber':self,'index':tabberIndex,'event':event};if(!event){onClickArgs.event=window.event;}
rVal=self.onClick(onClickArgs);if(rVal===false){return false;}}
self.tabShow(tabberIndex);return false;};tabberObj.prototype.tabHideAll=function()
{var i;for(i=0;i<this.tabs.length;i++){this.tabHide(i);}};tabberObj.prototype.tabHide=function(tabberIndex)
{var div;if(!this.tabs[tabberIndex]){return false;}
div=this.tabs[tabberIndex].div;if(!div.className.match(this.REclassTabHide)){div.className+=' '+this.classTabHide;}
this.navClearActive(tabberIndex);return this;};tabberObj.prototype.tabShow=function(tabberIndex)
{var div;if(!this.tabs[tabberIndex]){return false;}
this.tabHideAll();div=this.tabs[tabberIndex].div;div.className=div.className.replace(this.REclassTabHide,'');this.navSetActive(tabberIndex);if(typeof this.onTabDisplay=='function'){this.onTabDisplay({'tabber':this,'index':tabberIndex});}
return this;};tabberObj.prototype.navSetActive=function(tabberIndex)
{this.tabs[tabberIndex].li.className=this.classNavActive;return this;};tabberObj.prototype.navClearActive=function(tabberIndex)
{this.tabs[tabberIndex].li.className='';return this;};function tabberAutomatic(tabberArgs)
{var
tempObj,divs,i;if(!tabberArgs){tabberArgs={};}
tempObj=new tabberObj(tabberArgs);divs=document.getElementsByTagName("div");for(i=0;i<divs.length;i++){if(divs[i].className&&divs[i].className.match(tempObj.REclassMain)){tabberArgs.div=divs[i];divs[i].tabber=new tabberObj(tabberArgs);}}
return this;}
function tabberAutomaticOnLoad(tabberArgs)
{var oldOnLoad;if(!tabberArgs){tabberArgs={};}
oldOnLoad=window.onload;if(typeof window.onload!='function'){window.onload=function(){tabberAutomatic(tabberArgs);};}else{window.onload=function(){oldOnLoad();tabberAutomatic(tabberArgs);};}}
if(typeof tabberOptions=='undefined'){tabberAutomaticOnLoad();}else{if(!tabberOptions['manualStartup']){tabberAutomaticOnLoad(tabberOptions);}}

/* Optional: Temporarily hide the "tabber" class so it does not "flash"
on the page as plain HTML. After tabber runs, the class is changed
to "tabberlive" and it will appear.
*/
document.write('<style type="text/css">.tabber{display:none;}<\/style>');

var tabberOptions = {

/* Optional: instead of letting tabber run during the onload event,
  we'll start it up manually. This can be useful because the onload
  even runs after all the images have finished loading, and we can
  run tabber at the bottom of our page to start it up faster. See the
  bottom of this page for more info. Note: this variable must be set
  BEFORE you include tabber.js.
*/
'manualStartup':true,

/* Optional: code to run after each tabber object has initialized */

'onLoad': function(argsObj) {
 /* Display an alert only after tab2 */
 if (argsObj.tabber.id == 'tab2') {
   alert('Finished loading tab2!');
 }
},

/* Optional: code to run when the user clicks a tab. If this
  function returns boolean false then the tab will not be changed
  (the click is canceled). If you do not return a value or return
  something that is not boolean false, */

'onClick': function(argsObj) {

 var t = argsObj.tabber; /* Tabber object */
 var id = t.id; /* ID of the main tabber DIV */
 var i = argsObj.index; /* Which tab was clicked (0 is the first tab) */
 var e = argsObj.event; /* Event object */

 if (id == 'tab2') {
   return confirm('Swtich to '+t.tabs[i].headingText+'?\nEvent type: '+e.type);
 }
},

/* Optional: set an ID for each tab navigation link */
'addLinkId': true

};

