/*
  $Id: tabber.js,v 1.9 2006/04/27 20:51:51 pat Exp $
  tabber.js by Patrick Fitzgerald pat@barelyfitz.com

  Documentation can be found at the following URL:
  http://www.barelyfitz.com/projects/tabber/

  Copyright (c) 2006 Patrick Fitzgerald
*/

function tabberObj(a){var b;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(b in a){this[b]=a[b]}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 a,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;a=e.childNodes;for(i=0;i<a.length;i++){if(a[i].className&&a[i].className.match(this.REclassTab)){t=new Object();t.div=a[i];this.tabs[this.tabs.length]=t;if(a[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,"")}headingElement.style.display='none';break}}}if(!t.headingText)t.headingText=i+1;DOM_li=document.createElement("li");t.li=DOM_li;DOM_a=document.createElement("a");var b=document.createElement('SPAN');b.appendChild(document.createTextNode(t.headingText));DOM_a.appendChild(b);DOM_a.href="onclick='return false'";DOM_a.title=t.headingText;DOM_a.onclick=this.navClick;DOM_a.tabber=this;DOM_a.tabberIndex=i;if(this.addLinkId&&this.linkIdFormat){aId=this.linkIdFormat;aId=aId.replace(/<tabberid>/gi,this.id);aId=aId.replace(/<tabnumberzero>/gi,i);aId=aId.replace(/<tabnumberone>/gi,i+1);aId=aId.replace(/<tabtitle>/gi,t.headingText.replace(/[^a-zA-Z0-9\-]/gi,''));DOM_a.id=aId}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(b){var c,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':b};if(!b)onClickArgs.event=window.event;c=self.onClick(onClickArgs);if(c===false)return false}self.tabShow(tabberIndex);return false};tabberObj.prototype.tabHideAll=function(){for(var i=0;i<this.tabs.length;i++)this.tabHide(i)};tabberObj.prototype.tabHide=function(a){var b;if(!this.tabs[a])return false;b=this.tabs[a].div;if(!b.className.match(this.REclassTabHide))b.className+=' '+this.classTabHide;this.navClearActive(a);return this};tabberObj.prototype.tabShow=function(a){var b;if(!this.tabs[a])return false;this.tabHideAll();b=this.tabs[a].div;b.className=b.className.replace(this.REclassTabHide,'');this.navSetActive(a);if(typeof this.onTabDisplay=='function'){this.onTabDisplay({'tabber':this,'index':a})};return this};tabberObj.prototype.navSetActive=function(a){this.tabs[a].li.className=this.classNavActive;return this};tabberObj.prototype.navClearActive=function(a){this.tabs[a].li.className='';return this};function tabberAutomatic(a){var b,divs;if(!a)a={};b=new tabberObj(a);divs=document.getElementsByTagName("div");for(var i=0;i<divs.length;i++){if(divs[i].className&&divs[i].className.match(b.REclassMain)){a.div=divs[i];divs[i].tabber=new tabberObj(a)}}return this};