// JavaScript Document
// Sub-menus ////////////////////////////////////////////////////////////////////////////////////

var enablepersist="off" 		//Enable saving state of content structure using session cookies? (on/off)
var collapseprevious="no" 		//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('</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=="none")? "block" : "block"
	}
}

function closecontent(cid){
	document.getElementById(cid).style.display=(document.getElementById(cid).style.display=="block")? "none" : "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
	
// Chris's Home Brew ////////////////////////////////////////////////////////////////////////////
	
function changeActionY() {
	var f = document.getElementById('form1');
	var v = f.f_year.options[f.f_year.selectedIndex].value;
	f.action = f.action + "/" + v;
}
function changeActionM() {
	var f = document.getElementById('form1');
	var v = f.f_month.options[f.f_month.selectedIndex].value;
	f.action = f.action + "/" + v;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
