
/***********************************************
* Tab Content script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

//Set tab to intially be selected when page loads:
//[which tab (1=first tab), ID of tab content to display]:
var initialtab=[1, "sc1"]
var tabobjlinks = [];
var tabobjimgs = [];
////////Stop editting////////////////

function cascadedstyle(el, cssproperty, csspropertyNS){
if (el.currentStyle)
return el.currentStyle[cssproperty]
else if (window.getComputedStyle){
var elstyle=window.getComputedStyle(el, "")
return elstyle.getPropertyValue(csspropertyNS)
}
}

var previoustab=""

function expandcontent(cid, aobject){
if (document.getElementById){
highlighttab(aobject, cid)
detectSourceindex(aobject)
if (previoustab!="")
document.getElementById(previoustab).style.display="none"
document.getElementById(cid).style.display="block"
previoustab=cid
if (aobject.blur)
aobject.blur()
return false
}
else
return true
}

function highlighttab(aobject, cid){
if (typeof tabobjlinks=="undefined" || typeof tabobjimgs =="undefined")
collecttablinks()
for (i=0; i<tabobjlinks.length; i++){
	tabobjlinks[i].style.backgroundColor=initTabcolor
	s = new String(tabobjimgs[i].src);
	if(tabobjimgs[i].id == 'img_' + cid){
		tabobjimgs[i].src = s.replace('_off', '_on');	
	} else {
		tabobjimgs[i].src = s.replace('_on', '_off');		
	}
}
var themecolor=aobject.getAttribute("theme")? aobject.getAttribute("theme") : initTabpostcolor
//aobject.style.backgroundColor=document.getElementById("tabcontentcontainer").style.backgroundColor=themecolor
aobject.style.backgroundColor='#FFFFFF'
}
function collecttablinks(){
	var tabobj=document.getElementById("tablist")
	var tabobj_vert=document.getElementById("tablist_vert")

	var tabobjlinks_temp=tabobj.getElementsByTagName("A")
	for(var i=0; i< tabobjlinks_temp.length;i++) 
		tabobjlinks.push(tabobjlinks_temp[i]); 
	var tabobjlinks_temp=tabobj_vert.getElementsByTagName("A")
	for(var i=0; i< tabobjlinks_temp.length;i++) 
		tabobjlinks.push(tabobjlinks_temp[i]);
	
	var tabobjimgs_temp=tabobj.getElementsByTagName("IMG")
	for(var i=0; i< tabobjimgs_temp.length;i++) 
		tabobjimgs.push(tabobjimgs_temp[i]); 
	var tabobjimgs_temp=tabobj_vert.getElementsByTagName("IMG")
	for(var i=0; i< tabobjimgs_temp.length;i++) 
		tabobjimgs.push(tabobjimgs_temp[i]);
	
}

function detectSourceindex(aobject){
for (i=0; i<tabobjlinks.length; i++){
if (aobject==tabobjlinks[i]){
tabsourceindex=i //source index of tab bar relative to other tabs
break
}
}
}

function do_onload(){
	var cookiename=(persisttype=="sitewide")? "tabcontent" : window.location.pathname
	var cookiecheck=window.get_cookie && get_cookie(cookiename).indexOf("|")!=-1
	collecttablinks()
	if(tabobjlinks.length < 1) return false;
	initTabcolor=cascadedstyle(tabobjlinks[1], "backgroundColor", "background-color")
	initTabpostcolor=cascadedstyle(tabobjlinks[0], "backgroundColor", "background-color")
	if (typeof enablepersistence!="undefined" && enablepersistence && cookiecheck){
		var cookieparse=get_cookie(cookiename).split("|")
		var whichtab=cookieparse[0]
		var tabcontentid=cookieparse[1]
		expandcontent(tabcontentid, tabobjlinks[whichtab])
	}
	else
		expandcontent(initialtab[1], tabobjlinks[initialtab[0]-1])
}

if (window.addEventListener)
window.addEventListener("load", do_onload, false)
else if (window.attachEvent)
window.attachEvent("onload", do_onload)
else if (document.getElementById)
window.onload=do_onload



//Dynamicdrive.com persistence feature add-on

var enablepersistence=false //true to enable persistence, false to turn off (or simply remove this entire script block).
var persisttype="local" //enter "sitewide" for Tab content order to persist across site, "local" for this page only

function get_cookie(Name) {
var search = Name + "="
var returnvalue = "";
if (document.cookie.length > 0) {
offset = document.cookie.indexOf(search)
if (offset != -1) {
offset += search.length
end = document.cookie.indexOf(";", offset);
if (end == -1) end = document.cookie.length;
returnvalue=unescape(document.cookie.substring(offset, end))
}
}
return returnvalue;
}

function savetabstate(){
return true;
var cookiename=(persisttype=="sitewide")? "tabcontent" : window.location.pathname
var cookievalue=(persisttype=="sitewide")? tabsourceindex+"|"+previoustab+";path=/" : tabsourceindex+"|"+previoustab
document.cookie=cookiename+"="+cookievalue
}

window.onunload=savetabstate
