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 SwitchMenu(obj){
	if(document.getElementById){
	var el = document.getElementById(obj);
	var ar = document.getElementById("menydiv").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

function resetTips(hva){
	if(hva == "tips_til"){
		if(document.tipsform.tips_til.value == "Din venns e-post"){
			document.tipsform.tips_til.value = '';
			}
		}
	if(hva == "tips_fra"){
		if(document.tipsform.tips_fra.value == "Ditt navn"){
			document.tipsform.tips_fra.value = '';
			}
		}
	}
function sjekk(){
	var feil = '';
	var boo;
	if(document.tipsform.tips_til.value == "Din venns e-post" || document.tipsform.tips_til.value == ""){
		feil = 'Du må fylle ut din venns e-postadresse!'+"\r\n";
		boo = 1;
		}
	if(document.tipsform.tips_fra.value == "Ditt navn" || document.tipsform.tips_fra.value == ""){
		feil = feil + 'Du må fylle ut ditt eget navn!';
		boo = 1;
		}
	if(boo != 1){
		return true;
		}
	else{
		alert(feil);
		return false;
		}
	}

function openLink(link){
	window.open(link);
	}

function ro(img_name, img_src){
   document[img_name].src = img_src;
   }