/* 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;
        
        if(i==0) DOM_a.setAttribute("class","firsttab");
        
        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);
    }
}