/***********************************************
* Contractible Headers script- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use. Last updated Mar 23rd, 2004.
* 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('switchcontent{display:none}')
//	document.write('div#searchbar ul {list-style-type: none}')
//	document.write('h2{font: bold 20px Arial}')
//	document.write('div#searchbar a:link {margin:0;cursor:hand;cursor:pointer;text-decoration:none;font: bold 10px Arial;color:blue}')
//	document.write('div#searchbar a:visited {font-weight:bold;text-decoration:none;color:blue;}')
//	document.write('div#searchbar a:active {text-decoration:underline;color:blue;}')
//	document.write('div#searchbar a:hover {text-decoration:underline;color:blue;}')
//	document.write('ul {margin:0 0 0 30px}')
	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(){
	uniqueidn=window.location.pathname+"firsttimeload"
	getElementbyClass("switchcontent")
	if (enablepersist=="on" && typeof ccollect!="undefined"){
		document.cookie=(get_cookie(uniqueidn)=="")? uniqueidn+"=1" : uniqueidn+"=0"
		firsttimeload=(get_cookie(uniqueidn)==1)? 1 : 0 //check if this is 1st page load
		if (!firsttimeload)
			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

function getSelect(s) {
	return s.options[s.selectedIndex].value
}