/***********************************************
* 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){
	
	var el = $(obj);
	var ar = $("menuBar").getElementsByTagName("ul"); //DynamicDrive.com change
	if(el.style.display != "block")
	{ //DynamicDrive.com change
		for (var i=0; i<ar.length; i++)
		{				
			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=0, 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;