// Markerer aktiv topp- og submeny 
function setActive()
{

  var el = getEid("nav-container");
    
	var thisChild = el.firstChild;

	while ( thisChild != el.lastChild )
	{
		if ( thisChild.nodeType == 1 )
		{
			thisChild.style.color = "#06376c";
		}
		thisChild = thisChild.nextSibling;
	}
   
    var nav = getCookie("aktivtopmeny");
    var a = getEid(nav);
    a.className = 'selected';
    
    var sub = getCookie("aktivsubmeny");
    var a = getEid(sub);
    a.style.color = "#000000";
}

function checkCookie()
{
  var topMeny = getCookie("aktivtopmeny");
  if(topMeny == ""){ setCookie("aktivtopmeny", "" , 10) }
} 

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()
{ 
  setCookie("aktivtopmeny", "0", 10);
  setCookie("aktivsubmeny", "0", 10);

}

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



// 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];}
}