// JavaScript Document
/***********************************************
* Switch Menu script- by Martial B of http://getElementsByName.com/
* Modified by Dynamic Drive for format & NS4/IE4 compatibility
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

var persistmenu="yes" //"yes" or "no". Make sure each SPAN content contains an incrementing ID starting at 1 (id="sub1", id="sub2", etc)
var persisttype="sitewide" //enter "sitewide" for menu to persist across site, "local" for this page only

if (document.getElementsByName){//DynamicDrive.com change
document.write('<style type="text/css">\n')
document.write('.submenu{display: none;}\n')
document.write('</style>\n')
}

var myspans=document.getElementsByTagName('span');


function SwitchMenu(obj){

	if(document.getElementsByName){
			for(var i=0;i<myspans.length;i++){
				if(myspans[i].id==obj){
					if (myspans[i].style.display != "block") 
					myspans[i].style.display = "block";
					//else myspans[i].style.display = "none";
					}
				else{
					myspans[i].style.display = "none";
					}
				}
		}
}


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 onloadfunction(){
if (persistmenu=="yes"){
var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
var cookievalue=get_cookie(cookiename)
if (cookievalue!=""){
	for(var i=0;i<myspans.length;i++){
	if(myspans[i].id==cookievalue){
		myspans[i].style.display="block";
	}
	else
	continue;
	}
}
}
}

function savemenustate(){
blockid=""
for(var i=0;i<myspans.length;i++){
if (myspans[i].style.display=="block"){
blockid=myspans[i].id;
break
}
}
var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
var cookievalue=(persisttype=="sitewide")? blockid+";path=/" : blockid
document.cookie=cookiename+"="+cookievalue
}

if (window.addEventListener)
window.addEventListener("load", onloadfunction, false)
else if (window.attachEvent)
window.attachEvent("onload", onloadfunction)
else if (document.getElementsByName)
window.onload=onloadfunction

if (persistmenu=="yes" && document.getElementsByName)
window.onunload=savemenustate