/***********************************************
* 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("div"); //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";
		}
	
	}

}






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"
	}
SwitchMenu('sub1')
}

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


function st3(t)
{
	for(i=1;i<=5;i++)
	{
		ts=document.getElementById('bt'+i);
		if(t==i)
		{
	 		ts.className="tb1";
		}
		else
		{
			ts.className="tb2";
		}
	}
}

function st2(t)
{
	for(i=1;i<=4;i++)
	{
		ts=document.getElementById('bt'+i);
		if(t==i)
		{
	 		ts.className="tb1";
		}
		else
		{
			ts.className="tb2";
		}
	}
}