//Set tab to intially be selected when page loads:
//[which tab (1=first tab), ID of tab content to display]:
var initialtab=[1, "home"]


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){
	var links=document.getElementsByTagName("a");

	for(i=0;i<links.length;i++) {
		if(links[i].className=="tab") {
		   links[i].style.backgroundColor="#2b2203";
 			}
		}
   
   	aobject.style.backgroundColor="#FFF";

		if (document.getElementById){
			highlighttab(aobject)
			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){
	if (typeof tabobjlinks=="undefined")
	collecttablinks()
	for (i=0; i<tabobjlinks.length; i++)
	tabobjlinks[i].style.backgroundColor=initTabcolor
	//var themecolor=aobject.getAttribute("theme")? aobject.getAttribute("theme") : initTabpostcolor
	//aobject.style.backgroundColor=document.getElementById("tabcontentcontainer").style.backgroundColor=themecolor
}

function collecttablinks(){
	var tabobj=document.getElementById("tablist")
	tabobjlinks=tabobj.getElementsByTagName("A")
}

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=(typeof persisttype!="undefined" && persisttype=="sitewide")? "tabcontent" : window.location.pathname
	var cookiecheck=window.get_cookie && get_cookie(cookiename).indexOf("|")!=-1

	collecttablinks()
	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