/*
// JoomlaWorks "Tabs & Slides" Plugin for Joomla! 1.0.x - Version 2.3
// License: http://www.gnu.org/copyleft/gpl.html
// Authors: Fotis Evangelou - George Chouliaras
// Copyright (c) 2006 - 2007 JoomlaWorks.gr - http://www.joomlaworks.gr
// Project page at http://www.joomlaworks.gr - Demos at http://demo.joomlaworks.gr
// Support forum at http://forum.joomlaworks.gr
// ***Last update: August 30th, 2007***
*/

/* Copyright (c) 2006 Patrick Fitzgerald - Version 1.9 */
// Temporarily hide tabs
document.write('<style type="text/css">.jwts_tabber{display:none;}<\/style>');
// Set tab options
var tabberOptions = {
  //start on DOM ready
  'manualStartup':true,
  'cookie':"jwts_tabcookie", /* Name to use for the cookie */
  'onLoad': function(argsObj)
  {
    var t = argsObj.tabber;
    var i;
    if (t.id) {
      t.cookie = t.id + t.cookie;
    }
    i = parseInt(getCookie(t.cookie));
    if (isNaN(i)) { return; }
    t.tabShow(i);
    //alert('getCookie(' + t.cookie + ') = ' + i);
  },
  'onClick':function(argsObj)
  {
    var c = argsObj.tabber.cookie;
    var i = argsObj.index;
    //alert('setCookie(' + c + ',' + i + ')');
    setCookie(c, i);
  }
};
// Cookie handling
function setCookie(name, value, expires, path, domain, secure) {
    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}
function getCookie(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    } else {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}
function deleteCookie(name, path, domain) {
    if (getCookie(name)) {
        document.cookie = name + "=" +
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}
// The tabs!
function tabberObj(argsObj){
    var arg;
    this.div=null;
    this.classMain="jwts_tabber";
    this.classMainLive="jwts_tabberlive";
    this.classTab="jwts_tabbertab";
    this.classTabDefault="jwts_tabbertabdefault";
    this.classNav="jwts_tabbernav";
    this.classTabHide="jwts_tabbertabhide";
    this.classNavActive="jwts_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,cnt=0;
    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;

        if (cnt > 7) {
            DOM_br=document.createElement("br");
            DOM_li.appendChild(DOM_br);
            cnt=0;
        }

        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);
        cnt++;
    }

    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);
    }
}



/* Copyright (c) 2006 Alf Magne Kalleland */
var objectIdToSlideDown = false;
var jwts_activeId = false;
function showHideContent(e,inputId) {
	if(!inputId)inputId = this.id;
	inputId = inputId + '';
	var numericId = inputId.replace(/[^0-9]/g,'');
	var answerDiv = document.getElementById('jwts_a' + numericId);
	objectIdToSlideDown = false;
	if(!answerDiv.style.display || answerDiv.style.display=='none'){
		if(jwts_activeId && jwts_activeId!=numericId){			
			objectIdToSlideDown = numericId;
			slideContent(jwts_activeId,(jwts_slideSpeed*-1));
		}else{
			answerDiv.style.display='block';
			answerDiv.style.visibility = 'visible';
			slideContent(numericId,jwts_slideSpeed);
		}
	}else{
		slideContent(numericId,(jwts_slideSpeed*-1));
		jwts_activeId = false;
	}	
}
function slideContent(inputId,direction) {
	var obj =document.getElementById('jwts_a' + inputId);
	var contentObj = document.getElementById('jwts_ac' + inputId);
	height = obj.clientHeight;
	height = height + direction;
	rerunFunction = true;
	if(height>contentObj.offsetHeight){
		height = contentObj.offsetHeight;
		rerunFunction = false;
	}
	if(height<=1){
		height = 1;
		rerunFunction = false;
	}
	obj.style.height = height + 'px';
	var topPos = height - contentObj.offsetHeight;
	if(topPos>0)topPos=0;
	contentObj.style.top = topPos + 'px';
	if(rerunFunction){
		setTimeout('slideContent(' + inputId + ',' + direction + ')',jwts_timer);
	}else{
		if(height<=1){
			obj.style.display='none'; 
			if(objectIdToSlideDown && objectIdToSlideDown!=inputId){
				document.getElementById('jwts_a' + objectIdToSlideDown).style.display='block';
				document.getElementById('jwts_a' + objectIdToSlideDown).style.visibility='visible';
				slideContent(objectIdToSlideDown,jwts_slideSpeed);				
			}
		}else{
			jwts_activeId = inputId;
		}
	}
}
function initShowHideDivs() {
	var divs = document.getElementsByTagName('DIV');
	var divCounter = 1;
	for(var no=0;no<divs.length;no++){
		if(divs[no].className=='jwts_title'){
			divs[no].onclick = showHideContent;
			divs[no].id = 'jwts_q'+divCounter;
			var answer = divs[no].nextSibling;
			while(answer && answer.tagName!='DIV'){
				answer = answer.nextSibling;
			}
			answer.id = 'jwts_a'+divCounter;	
			contentDiv = answer.getElementsByTagName('DIV')[0];
			contentDiv.style.top = 0 - contentDiv.offsetHeight + 'px'; 	
			contentDiv.className='jwts_slidecontent';
			contentDiv.id = 'jwts_ac' + divCounter;
			answer.style.display='none';
			answer.style.height='1px';
			divCounter++;
		}		
	}	
}