http://larochelle.ubacto.com/JS/tabcontent.js

1//** Tab Content script- © Dynamic Drive DHTML code library (http://www.dynamicdrive.com)
2//** Last updated: June 29th, 06
3
4var enabletabpersistence=1 //enable tab persistence via session only cookies, so selected tab is remembered?
5
6////NO NEED TO EDIT BELOW////////////////////////
7var tabcontentIDs=new Object()
8
9function expandcontent(linkobj){
10var ulid=linkobj.parentNode.parentNode.id //id of UL element
11var ullist=document.getElementById(ulid).getElementsByTagName("li") //get list of LIs corresponding to the tab contents
12for (var i=0; i<ullist.length; i++){
13ullist[i].className=""  //deselect all tabs
14if (typeof tabcontentIDs[ulid][i]!="undefined") //if tab content within this array index exists (exception: More tabs than there are tab contents)
15document.getElementById(tabcontentIDs[ulid][i]).style.display="none" //hide all tab contents
16}
17linkobj.parentNode.className="selected"  //highlight currently clicked on tab
18document.getElementById(linkobj.getAttribute("rel")).style.display="block" //expand corresponding tab content
19saveselectedtabcontentid(ulid, linkobj.getAttribute("rel"))
20}
21
22function savetabcontentids(ulid, relattribute){// save ids of tab content divs
23if (typeof tabcontentIDs[ulid]=="undefined") //if this array doesn't exist yet
24tabcontentIDs[ulid]=new Array()
25tabcontentIDs[ulid][tabcontentIDs[ulid].length]=relattribute
26}
27
28function saveselectedtabcontentid(ulid, selectedtabid){ //set id of clicked on tab as selected tab id & enter into cookie
29if (enabletabpersistence==1) //if persistence feature turned on
30setCookie(ulid, selectedtabid)
31}
32
33function getullistlinkbyId(ulid, tabcontentid){ //returns a tab link based on the ID of the associated tab content
34var ullist=document.getElementById(ulid).getElementsByTagName("li")
35for (var i=0; i<ullist.length; i++){
36if (ullist[i].getElementsByTagName("a")[0].getAttribute("rel")==tabcontentid){
37return ullist[i].getElementsByTagName("a")[0]
38break
39}
40}
41}
42
43function initializetabcontent(){
44for (var i=0; i<arguments.length; i++){ //loop through passed UL ids
45if (enabletabpersistence==0 && getCookie(arguments[i])!="") //clean up cookie if persist=off
46setCookie(arguments[i], "")
47var clickedontab=getCookie(arguments[i]) //retrieve ID of last clicked on tab from cookie, if any
48var ulobj=document.getElementById(arguments[i])
49var ulist=ulobj.getElementsByTagName("li") //array containing the LI elements within UL
50for (var x=0; x<ulist.length; x++){ //loop through each LI element
51var ulistlink=ulist[x].getElementsByTagName("a")[0]
52if (ulistlink.getAttribute("rel")){
53savetabcontentids(arguments[i], ulistlink.getAttribute("rel")) //save id of each tab content as loop runs
54ulistlink.onclick=function(){
55expandcontent(this)
56return false
57}
58if (ulist[x].className=="selected" && clickedontab=="") //if a tab is set to be selected by default
59expandcontent(ulistlink) //auto load currenly selected tab content
60}
61} //end inner for loop
62if (clickedontab!=""){ //if a tab has been previously clicked on per the cookie value
63var culistlink=getullistlinkbyId(arguments[i], clickedontab)
64if (typeof culistlink!="undefined") //if match found between tabcontent id and rel attribute value
65expandcontent(culistlink) //auto load currenly selected tab content
66else //else if no match found between tabcontent id and rel attribute value (cookie mis-association)
67expandcontent(ulist[0].getElementsByTagName("a")[0]) //just auto load first tab instead
68}
69} //end outer for loop
70}
71
72
73function getCookie(Name){ 
74var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
75if (document.cookie.match(re)) //if cookie found
76return document.cookie.match(re)[0].split("=")[1] //return its value
77return ""
78}
79
80function setCookie(name, value){
81document.cookie = name+"="+value //cookie value is domain wide (path=/)
82}