/***********************************************
* 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="no" //"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 closeMenu(){
	if(document.getElementById("masterdiv")){
		for(i=0; i<document.getElementById("masterdiv").getElementsByTagName("span").length; i++){
			document.getElementById("masterdiv").getElementsByTagName("span")[i].style.display="none"
		}
	}
}


function SwitchMenu(obj){
	var el = document.getElementById(obj);
	q = el.style.display

	if(document.getElementById("masterdiv")){
		for(i=0; i<document.getElementById("masterdiv").getElementsByTagName("span").length; i++){
			document.getElementById("masterdiv").getElementsByTagName("span")[i].style.display="none"
		}
		
		if (q != "block"){
			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!="") && (typeof(eval('document.all.'+cookievalue))=='object'))
			document.getElementById(cookievalue).style.display="block"
//	}
}


function savemenustate(){
	blockid=""
	if(document.getElementById("masterdiv")){
		var allSpans = document.getElementById("masterdiv").getElementsByTagName("span") 
		for(i=0; i<allSpans.length; i++){
			if(allSpans[i].className=='subMenu'){
				if (allSpans[i].style.display=="block"){
					blockid=allSpans[i].id
					break;
				}
			}
		}
	}
	var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
	var cookievalue=(persisttype=="sitewide")? blockid+";path=/" : blockid
//	if (blockid.indexOf("sub")>-1){
		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 (document.getElementById)
window.onunload=savemenustate