/***********************************************
* 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
var cookiearray = new Array("main_menu")	// nazwy ciasteczek menu i ich pol

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,div){
	if(document.getElementById){
	var el = document.getElementById(div + obj);
	var ar = document.getElementById(div).getElementsByTagName("span"); //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";
		}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"){
	for (var ind=0; ind<cookiearray.length; ind++)
	{
		var cookiename=(persisttype=="sitewide")? cookiearray[ind] : window.location.pathname
		var cookievalue=get_cookie(cookiename)
		if (cookievalue!="")
		document.getElementById(cookievalue).style.display="block"
	}
}
}

function savemenustate(){
	for (var ind=0; ind<cookiearray.length; ind++)
	{
		var inc=0, blockid=""
		while (document.getElementById(cookiearray[ind]+inc)){
		if (document.getElementById(cookiearray[ind]+inc).style.display=="block"){
		blockid=cookiearray[ind]+inc
		break
		}
		inc++
		}
		var cookiename=(persisttype=="sitewide")? cookiearray[ind] : 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