//** Tab Content script- ? Dynamic Drive DHTML code library (http://www.dynamicdrive.com)
//** Last updated: June 29th, 06

var enabletabpersistence=1 //enable tab persistence via session only cookies, so selected tab is remembered?

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

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
if (typeof tabcontentIDs[ulid][i]!="undefined") //if tab content within this array index exists (exception: More tabs than there are tab contents)
document.getElementById(tabcontentIDs[ulid][i]).style.display="none" //hide all tab contents
}
linkobj.parentNode.className="selected"  //highlight currently clicked on tab
document.getElementById(linkobj.getAttribute("rel")).style.display="block" //expand corresponding tab content
saveselectedtabcontentid(ulid, linkobj.getAttribute("rel"))
}

function seltabfmrqst(ulid){
	 var hdntabcntnt
     if (document.getElementById('tabcontent')!=null){
		hdntabcntnt =  document.getElementById('tabcontent');
     }else if (document.all['tabcontent']!=null){
		hdntabcntnt = document.all['tabcontent'];
     }else if (document.layers['tabcontent']!=null){
		hdntabcntnt = document.layers['tabcontent'];
	 }           
     if(hdntabcntnt!=null){
		var tabcntnt = hdntabcntnt.value;
		if(tabcntnt!=null && tabcntnt != ""){
			var tab = getullistlinkbyId(ulid, tabcntnt);
            expandcontent(tab);
        }
     }
}

function selecttab(ulid, tabcontentid){
	var tab = getullistlinkbyId(ulid, tabcontentid)
	expandcontent(tab)
}

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
if (enabletabpersistence==1) //if persistence feature turned on
setCookie(ulid, selectedtabid)
}

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
				ulistlink.onclick=function(){
				expandcontent(this)
				return false
			}
			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=getullistlinkbyId(arguments[i], clickedontab)
			if (typeof culistlink!="undefined") //if match found between tabcontent id and rel attribute value
				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=/)
}