/***********************************************
* 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"
var persisttype="sitewide"

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

function DirectLnk(url) 
{
	var ar = document.getElementById("masterdiv").getElementsByTagName("span");
	if(document.getElementById)
	{
		for (var i=0; i<ar.length; i++)
		{
			if (ar[i].className=="submenu")
				ar[i].style.display = "none";
		}
	}
	document.location=url;
}

function SwitchMenu(obj) 
{
	if(document.getElementById)
	{
		var el = document.getElementById(obj);
		var ar = document.getElementById("masterdiv").getElementsByTagName("span");
		if(el.style.display != "block")
		{
			for (var i=0; i<ar.length; i++)
			{
				if (ar[i].className=="submenu")
					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;