/***********************************************
* 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


function SwitchMenu(obj){
	if(document.getElementById){
	var el = document.getElementById(obj);
	//alert(el.className);
	var ar = document.getElementById("masterdiv").getElementsByTagName("ul"); //DynamicDrive.com change
		if(el.style.display != "block"){ //DynamicDrive.com change
			for (var i=0; i<ar.length; i++){
				//alert(ar[i].className);
				if (ar[i].className=="section") //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 SetCookie() {
if(arguments.length < 2) { return; }
var n = arguments[0];
var v = arguments[1];
var d = 0;
if(arguments.length > 2) { d = parseInt(arguments[2]); }
var exp = '';

if(d > 0) {
	var now = new Date();
	then = now.getTime() + (d * 24 * 60 * 60 * 1000);
	now.setTime(then);
	exp = '; expires=' + now.toGMTString();
	}
document.cookie = n + "=" + escape(String(v)) + '; path=/' + exp;

} 


function savemenustate(){
	var inc=1, blockid=""
	while (document.getElementById("sub"+inc)){
			
		if (document.getElementById("sub"+inc).style.display=="block"){
			blockid="sub"+inc;
			break;
		}
		inc++
	}
	//if (persisttype=="sitewide"){
	//	var cookiename= "switchmenu";
	//	var cookievalue= blockid;
	//}
	var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname;
	var cookievalue=(persisttype=="sitewide")? blockid+";path=/" : blockid;
	document.cookie=cookiename+"="+cookievalue;
	SetCookie("switchmenu", blockid);
	
}

function menuinit(){
	//if (window.addEventListener){
	//	window.addEventListener("load", onloadfunction, false);
	//} else if (window.attachEvent){
	//	window.attachEvent("onload", onloadfunction)
	//} else if (document.getElementById) {
	//	window.onload=onloadfunction();
	//}	
	onloadfunction();
}



if (persistmenu=="yes" && document.getElementById){
	window.onunload=savemenustate;
}