/* This script and many more are available free online at
The JavaScript Source :: http://javascript.internet.com
Created by: Travis Beckham :: http://www.squidfingers.com | http://www.podlob.com
version date: 06/02/03 :: If want to use this code, feel free to do so,
but please leave this message intact. (Travis Beckham) */

// mekka av daniel for å åpne gjeldende undermenyer på list-sidene - juli 07

function getCurrentMenuToOpen(){
	var str = document.URL;
    if (str.match("MG=")) {
	var strS = str.indexOf("MG=") + 3;
	var strE = str.indexOf("&SG");
	str = str.substring(strS,strE);
	openCurrentMenu(str);
    }
}

function getCurrentMenuToClose(){
	var str = document.URL;
    if (str.match("MG=")) {
	var strS = str.indexOf("MG=") + 3;
	var strE = str.indexOf("&SG");
	str = str.substring(strS,strE);
	closeCurrentMenu(str);
    }
}

function openCurrentMenu(str){
	document.getElementById(str).style.display = "block";
	document.getElementById(str+"x").style.backgroundColor = "#eeeeee";	
}

function closeCurrentMenu(str){
	document.getElementById(str).style.display = "none";
	document.getElementById(str+ "x").style.backgroundColor = "#ffffff";	
}

function openCorrectMenu(){
	var str = document.URL;
	var clistS = str.indexOf("SG=") + 3;
	var clistE = str.indexOf("&SO=");
	var clist = str.substring(clistS,clistE);
	clist = parseInt(clist);
	if (!(isNaN(clist)) && clist > 1000) {
		document.getElementById('nede').style.display = 'none';
		document.getElementById('oppe').style.display = 'block';
	} else {
		if (str.match("PI=list")) {
			document.getElementById('nede').style.display = 'block';
			document.getElementById('oppe').style.display = 'none';
		} else if (str.match("PI=info")) {
			document.getElementById('nede').style.display = 'block';
			document.getElementById('oppe').style.display = 'none';
		} else {
			document.getElementById('nede').style.display = 'none';
			document.getElementById('oppe').style.display = 'block';
		}
	}
}	
	


// Node Functions


if(!window.Node){
  var Node = {ELEMENT_NODE : 1, TEXT_NODE : 3};
}

function checkNode(node, filter){
  return (filter == null || node.nodeType == Node[filter] || node.nodeName.toUpperCase() == filter.toUpperCase());
}

function getChildren(node, filter){
  var result = new Array();
  var children = node.childNodes;
  for(var i = 0; i < children.length; i++){
    if(checkNode(children[i], filter)) result[result.length] = children[i];
  }
  return result;
}

function getChildrenByElement(node){
  return getChildren(node, "ELEMENT_NODE");
}

function getFirstChild(node, filter){
  var child;
  var children = node.childNodes;
  for(var i = 0; i < children.length; i++){
    child = children[i];
    if(checkNode(child, filter)) return child;
  }
  return null;
}

function getFirstChildByText(node){
  return getFirstChild(node, "TEXT_NODE");
}

function getNextSibling(node, filter){
  for(var sibling = node.nextSibling; sibling != null; sibling = sibling.nextSibling){
    if(checkNode(sibling, filter)) return sibling;
  }
  return null;
}
function getNextSiblingByElement(node){
        return getNextSibling(node, "ELEMENT_NODE");
}

// Menu Functions & Properties

var activeMenu = null;

function showMenu() {
  if(activeMenu){
    activeMenu.className = "";
    getNextSiblingByElement(activeMenu).style.display = "none";
  }
  if(this == activeMenu){
    activeMenu = null;
  } else {
    this.className = "active";
    getNextSiblingByElement(this).style.display = "block";
    activeMenu = this;
  }

   getCurrentMenuToClose();
}

function initMenu(){
  var menus, menu, text, a, i;
  menus = getChildrenByElement(document.getElementById("menu"));
  for(i = 0; i < menus.length; i++){
    menu = menus[i];
    text = getFirstChildByText(menu);
    a = document.createElement("a");
    menu.replaceChild(a, text);
    a.appendChild(text);
    a.href = "#";
    a.onclick = showMenu;
    a.onfocus = function(){this.blur()};
  }

   openCorrectMenu();
   getCurrentMenuToOpen();
}

if(document.createElement) window.onload = initMenu;