// JavaScript Document
/***********************************************
* Switch Menu script- by Martial B of http://getElementById.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.getElementById){ //DynamicDrive.com change
	document.write('<style type="text/css">\n')
	document.write('.submenu{display: none;}\n')
	document.write('</style>\n')
	}
	
	function SwitchMenu(obj){
		if(document.getElementById){
		var el = document.getElementById(obj);
		var ar = document.getElementById("masterdiv").getElementsByTagName("span"); //DynamicDrive.com change
			if(el.style.display != "block"){ //DynamicDrive.com change
				for (var i=0; i<ar.length; i++){
					if (ar[i].className=="submenu") //DynamicDrive.com change
					ar[i].style.display = "none";
				}
				el.style.display = "block";
			}else{
				el.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!="")
	document.getElementById(cookievalue).style.display="block"
	}
	}
	
	function savemenustate(){
	var inc=1, blockid=""
	while (document.getElementById("sub"+inc)){
	if (document.getElementById("sub"+inc).style.display=="block"){
	blockid="sub"+inc
	break
	}
	inc++
	}
	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.getElementById)
	window.onload=onloadfunction
	
	if (persistmenu=="yes" && document.getElementById)
	window.onunload=savemenustate