// JavaScript Document
// POOTATO.ORG
/***********************************************
* Contractible Headers script- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use. Last updated Oct 21st, 2003.
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

var enablepersist="on" //Enable saving state of content structure using session cookies? (on/off)
var collapseprevious="yes" //Collapse previously open content when opening present? (yes/no)

if (document.getElementById){
document.write('<style type="text/css">')
document.write('.poo{display:none;}')
document.write('</style>')
}

function getElementbyClass(classname){
	ccollect=new Array()
	var inc=0
	var alltags=document.all? document.all : document.getElementsByTagName("*")
	for (i=0; i<alltags.length; i++){
	if (alltags[i].className==classname)
	ccollect[inc++]=alltags[i]
	}
}

function contractcontent(omit){
	var inc=0
	while (ccollect[inc]){
	if (ccollect[inc].id!=omit)
	ccollect[inc].style.display="none"
	inc++
	}
}

function expandcontent(cid){
	if (typeof ccollect!="undefined"){
	if (collapseprevious=="yes")
	contractcontent(cid)
	document.getElementById(cid).style.display=(document.getElementById(cid).style.display!="block")? "block" : "none"
	}
}

function revivecontent(){
	contractcontent("omitnothing")
	selectedItem=getselectedItem()
	selectedComponents=selectedItem.split("|")
	for (i=0; i<selectedComponents.length-1; i++)
	document.getElementById(selectedComponents[i]).style.display="block"
}

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 getselectedItem(){

	if (get_cookie(window.location.pathname) != ""){
	selectedItem=get_cookie(window.location.pathname)
	return selectedItem
	}
	else
	return ""

}

function saveswitchstate(){
	
	var inc=0, selectedItem=""
	while (ccollect[inc]){
	if (ccollect[inc].style.display=="block")
	selectedItem+=ccollect[inc].id+"|"
	inc++
	}

	document.cookie=window.location.pathname+"="+selectedItem

}

function do_onload(){
	getElementbyClass("poo")
	if (enablepersist=="on" && typeof ccollect!="undefined")
	revivecontent()
}


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


if (enablepersist=="on" && document.getElementById)
	window.onunload=saveswitchstate

// POOTATO.ORG