/* 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){
    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(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);
    }
}