var active;
var activeToppmeny;

// Markerer aktiv topp- og submeny
function setActive() {
    if (active != null) {
        active.style.color = "";
    }
    if (activeToppmeny != null) {
        activeToppmeny.style.backgroundColor = "transparent";
    }
    
    var el = getEid("nav-container");
    var thisChild = el.firstChild;

    while (thisChild != el.lastChild) {
        if (thisChild.nodeType == 1) {
            thisChild.style.backgroundColor = "transparent";
        }
        thisChild = thisChild.nextSibling;
    }


    try {
        var nav = getCookie("aktivtopmeny");
        var a = getEid(nav);
        a.style.backgroundColor = "#004b75";
    }
    catch (err) { }

    try {
        var sub = getCookie("aktivsubmeny");
        var ab = getEid(sub);
        ab.style.color = "orange";
        active = ab;
    }
    catch (err) { }
}


function visUndermeny(id)
{
  var el = getEid("subnav-container");

	var thisChild = el.firstChild;
	while ( thisChild != el.lastChild )
	{
		if ( thisChild.nodeType == 1 )
		{
			thisChild.style.display = "none";
		}
		thisChild = thisChild.nextSibling;
	}
  
  try
  {
    var curEl = getEid(id);  
    curEl.style.display = "";
  }
  catch(err){}
  
  setActive();
}


function checkCookie()
{
  /* Sjekker hva som er valgt i meny */
  var menyvalg = getCookie("menyvalg");
  var topMeny = getCookie("aktivtopmeny");
  var subMeny = getCookie("aktivsubmeny");  

  if(topMeny == ""){ setCookie("aktivtopmeny", "" , 10) }
  if(subMeny == ""){ setCookie("aktivsubmeny", "" , 10) }
  
  if(menyvalg == ""){ setCookie("menyvalg", "" , 10) }
  else{ visUndermeny(getCookie("menyvalg")); }

} 


function setCookies(id, topp)
{
  if(topp)
  {  
    setCookie("menyvalg", "sub-" + id, 10);
    setCookie("aktivtopmeny", "nav-" + id, 10);
  }
  else{
    setCookie("aktivsubmeny", "sub-" + id, 10);  
  }
  
  visUndermeny(getCookie("menyvalg"));
}

function setCookie(c_name,value,expiredays){
  var exdate=new Date();
  exdate.setDate(exdate.getDate()+expiredays)
  document.cookie=c_name+ "=" +escape(value)+
  ((expiredays==null) ? "" : ";expires="+exdate.toGMTString())
}


function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  var c_start=document.cookie.indexOf(c_name + "=")
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1 
    var c_end=document.cookie.indexOf(";",c_start)
    if (c_end==-1) c_end=document.cookie.length
    return unescape(document.cookie.substring(c_start,c_end))
    } 
  }
return "";
}

function clearCookies()
{
  setCookies("menyvalg", "", 10);
  setCookie("aktivtopmeny", "", 10);
  setCookie("aktivsubmeny", "", 10);
}


function writeCookies()
{
  document.write ("Menyvalg: " + getCookie("menyvalg") + "<br />");
  document.write ("Top: " + getCookie("aktivtopmeny") + "<br />");
  document.write ("Sub: " + getCookie("aktivsubmeny") + "<br />");
  
}

// TEST
function test(){alert("Ser du denne så funker det!!");}

// GET ELEMENTS BY CLASS
function getEclass(searchClass,node,tag) {

	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp('(^|\\s)'+searchClass+'(\\s|$)');
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}


//HENTER VARIABEL FRA URL
function getURLParam(strParamName){
  var strReturn = "";
  var strHref = window.location.href;
  if ( strHref.indexOf("?") > -1 ){
    var strQueryString = strHref.substr(strHref.indexOf("?")).toLowerCase();
    var aQueryString = strQueryString.split("&");
    for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
      if ( 
aQueryString[iParam].indexOf(strParamName + "=") > -1 ){
        var aParam = aQueryString[iParam].split("=");
        strReturn = aParam[1];
        break;
      }
    }
  }
  return strReturn;
} 

// GET ELEMENT BY ID
function getEid(id)
{
    var a = document.getElementById(id);
    return a;
}

// HIDE ELEMENT
function hideE(obj)
{
    obj.style.display = "none";
}

function hideClass(cl)
{
  var els = getEclass(cl);
	
  for (var i = 0; i < els.length; i++) { 
   //alert(trim11(els[i].innerHTML).length);
    if(trim11(els[i].innerHTML).length == 0)
    {
      var y = i + 1;
      getEid("colbox" + y).style.display = "none";
    }
  }
}

function trim(str, chars) {
    return ltrim(rtrim(str, chars), chars);
}

function ltrim(str, chars) {
    chars = chars || "\\s";
    return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}

function rtrim(str, chars) {
    chars = chars || "\\s";
    return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}

function trim11 (str) {
	str = str.replace(/^\s+/, '');
	for (var i = str.length - 1; i >= 0; i--) {
		if (/\S/.test(str.charAt(i))) {
			str = str.substring(0, i + 1);
			break;
		}
	}
	return str;
}

// SHOW ELEMENT
function showE(obj)
{
    obj.style.display = "";
}

function showHide(el)
{
	if ( el.style.display != 'none' ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
}

//UDI FUNKSJON OPEN/CLOSE og BYTT BILDE
function openClose( shobj, minmaxobj)
{

showHide(shobj);

if(minmaxobj.src.indexOf('min') > 0) { minmaxobj.src = "/layouts/mp/images/btn-max.gif";}  
else{ minmaxobj.src = "/layouts/mp/images/btn-min.gif";}
return false;

}


// BYTTER MELLOM SHOW / HIDE
function toggle(obj) 
{
	var el = document.getElementById(obj);

	if ( el.style.display != 'none' ) 
	{
		el.style.display = 'none';
	}
	else 
	{
		el.style.display = '';
	}
}


function $() {
	var elements = new Array();
	for (var i = 0; i < arguments.length; i++) {
		var element = arguments[i];
		if (typeof element == 'string')
			element = document.getElementById(element);
		if (arguments.length == 1)
			return element;
		elements.push(element);
	}
	return elements;
}

// BYTTER & med --
function replaceand(inStr)
{ 
   return s = inStr.replace(/&/g,"--");
}

function replacespace(inStr)
{ 
   return s = inStr.replace(/%20/i," ");
}
/*
'VBScript for å hente tilbake fra -- til &
<%=replace(request.querystring("src"), "--", "&")%>
*/



// TODAY - engelsk dato
function getToday()
{
var d= new Date()

var weekday=new Array(7)
weekday[0]="Sunday"
weekday[1]="Monday"
weekday[2]="Tuesday"
weekday[3]="Wednesday"
weekday[4]="Thursday"
weekday[5]="Friday"
weekday[6]="Saturday"

var month=new Array(12)
month[0]="January"
month[1]="February"
month[2]="March"
month[3]="April"
month[4]="May"
month[5]="June"
month[6]="July"
month[7]="August"
month[8]="September"
month[9]="October"
month[10]="November"
month[11]="December"

var ending = ""

if( d.getDate() == 1){ ending = "st" }
else if (d.getDate() == 2) { ending = "nd" }
else if (d.getDate() == 3) { ending = "rd" }
else { ending = "th"}


document.write(weekday[d.getDay()] + " " + d.getDate()  + ending + " " + month[d.getMonth()])
}

// IDAG - norsk dato
function getIdag()
{
var dag = new Date()

var ukedag=new Array(7)
ukedag[0]= "S&oslash;ndag"
ukedag[1]= "Mandag"
ukedag[2]= "Tirsdag"
ukedag[3]= "Onsdag"
ukedag[4]= "Torsdag"
ukedag[5]= "Fredag"
ukedag[6]= "L&oslash;rdag"

var mnd=new Array(12)
mnd[0]= "Januar"
mnd[1]= "Februar"
mnd[2]= "Mars"
mnd[3]= "April"
mnd[4]= "Mai"
mnd[5]= "Juni"
mnd[6]= "Juli"
mnd[7]= "August"
mnd[8]= "September"
mnd[9]= "Oktober"
mnd[10]="November"
mnd[11]="Desember"

document.write(ukedag[dag.getDay()] + " " + dag.getDate() + ". " + mnd[dag.getMonth()] + " " + dag.getFullYear())
}

// FORSINKELSE
function forsink(funk, tid)
{
	window.setTimeout(funk,tid);
}

function clock()
{
var dag = new Date()
time = dag.getHours();
minutt = dag.getMinutes();
sekund = dag.getSeconds();

if(time < 10){ time = "0"+time;}
if(minutt < 10){ minutt = "0"+minutt;}
if(sekund < 10){ sekund = "0"+sekund;}

 getEid("clock").tick.value = time + ":" + minutt + ":" + sekund; 
 setTimeout("clock()", 200);
}


// FUNKSJONER FOR Å BYTTE BILDE VED HOVER
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}