/***********************************************
* 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"]

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].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