//** Tab Content script- © Dynamic Drive DHTML code library (http://www.dynamicdrive.com)
//** Last updated: Nov 8th, 06

var enabletabpersistence=0 //enable tab persistence via session only cookies, so selected tab is remembered?

////NO NEED TO EDIT BELOW////////////////////////
var tabcontentIDs=new Object()
var activetabid="";

function expandcontent(linkobj){
var ulid=linkobj.parentNode.parentNode.id //id of UL element
var ullist=document.getElementById(ulid).getElementsByTagName("li") //get list of LIs corresponding to the tab contents
for (var i=0; i<ullist.length; i++){
ullist[i].className=""  //deselect all tabs
var ullistlink=ullist[i].getElementsByTagName('a')[0]
//ullistlink.setAttribute('title', 'Click to rename')
ullistlink.onclick=function(){ // make all tabs expand on click
expandcontent(this)
this.blur()
return false
}
if (typeof tabcontentIDs[ulid][i]!="undefined") //if tab content within this array index exists (exception: More tabs than there are tab contents)
	var hideContainer = document.getElementById(tabcontentIDs[ulid][i]);
	hideContainer.style.display="none"; //hide all tab contents
	if (hideContainer.getAttribute("rel")) {
		var nextHideContainer = document.getElementById(hideContainer.getAttribute("rel"));
		nextHideContainer.style.display = "none";
	}
	
}
linkobj.parentNode.className="selected";  //highlight currently clicked on tab
var contentContainer = document.getElementById(linkobj.getAttribute("rel"));
contentContainer.style.display="block"; //expand corresponding tab content
if (contentContainer.getAttribute("rel")) {
	var nextContentContainer = document.getElementById(contentContainer.getAttribute("rel"));
	nextContentContainer.style.display="block"; //expand corresponding tab content
}
saveselectedtabcontentid(ulid, linkobj.id)
linkobj.onclick=function(){
renametab(this)
return false
}
}

function expandtab(tabid){ //interface for selecting a tab (plus expand corresponding content)
var thetab=document.getElementById(tabid);
if (thetab.getAttribute("rel"))
	expandcontent(thetab)
}

function savetabcontentids(ulid, relattribute){// save ids of tab content divs
if (typeof tabcontentIDs[ulid]=="undefined") //if this array doesn't exist yet
tabcontentIDs[ulid]=new Array()
tabcontentIDs[ulid][tabcontentIDs[ulid].length]=relattribute
}

function saveselectedtabcontentid(ulid, selectedtabid){ //set id of clicked on tab as selected tab id & enter into cookie
activetabid = selectedtabid;
if (enabletabpersistence==1) //if persistence feature turned on
setCookie(ulid, selectedtabid)
}

function changetabcontentid(tabid, newtabcontentid){ // changes the ID of the associated tab content for the specified tab id
var thetab=document.getElementById(tabid);
thetab.setAttribute("rel", newtabcontentid)
}

function getullistlinkbyId(ulid, tabcontentid){ //returns a tab link based on the ID of the associated tab content
var ullist=document.getElementById(ulid).getElementsByTagName("li")
for (var i=0; i<ullist.length; i++){
if (ullist[i].getElementsByTagName("a")[0].getAttribute("rel")==tabcontentid){
return ullist[i].getElementsByTagName("a")[0]
break
}
}
}

function initializetabcontent(){
for (var i=0; i<arguments.length; i++){ //loop through passed UL ids
if (enabletabpersistence==0 && getCookie(arguments[i])!="") //clean up cookie if persist=off
setCookie(arguments[i], "")
var clickedontab=getCookie(arguments[i]) //retrieve ID of last clicked on tab from cookie, if any
var ulobj=document.getElementById(arguments[i])
var ulist=ulobj.getElementsByTagName("li") //array containing the LI elements within UL
for (var x=0; x<ulist.length; x++){ //loop through each LI element
var ulistlink=ulist[x].getElementsByTagName("a")[0]
if (ulistlink.getAttribute("rel")){
savetabcontentids(arguments[i], ulistlink.getAttribute("rel")) //save id of each tab content as loop runs
if (ulist[x].className=="selected" && clickedontab=="") //if a tab is set to be selected by default
expandcontent(ulistlink) //auto load currenly selected tab content
}
} //end inner for loop
if (clickedontab!=""){ //if a tab has been previously clicked on per the cookie value
var culistlink=document.getElementById(clickedontab)
//TODO: make this check for a value tabcontent id considering the change I made
if (culistlink!=null) //if previously selected tab tab exists
expandcontent(culistlink) //auto load currenly selected tab content
else //else if no match found between tabcontent id and rel attribute value (cookie mis-association)
expandcontent(ulist[0].getElementsByTagName("a")[0]) //just auto load first tab instead
}
} //end outer for loop
}


function getCookie(Name){ 
var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
if (document.cookie.match(re)) //if cookie found
return document.cookie.match(re)[0].split("=")[1] //return its value
return ""
}

function setCookie(name, value){
document.cookie = name+"="+value //cookie value is domain wide (path=/)
}

function renametab(linkobj){
}