/***********************************************
* 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, "credits"]

////////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)
		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].className=""
	}
	aobject.className="this"
	}
	
	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