var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1;
var ns6=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1;
var ns4=document.layers;

function showContent(content)
{
 if(ie4)
 {
  showContentObj=document.all.k0;
 }
 if(ns6)
 {
  showContentObj=document.getElementById("k0");
 }
 if(ie4||ns6)
 {
  if(showContentObj.innerHTML!=content)
  {
   showContentObj.innerHTML=content;
  }
  else
  {
   showContentObj.innerHTML="";
  }
 }
 if(ns4)
 {
  document.nsdiv.document.write(content);
  document.nsdiv.document.close();
 }
}

var origWidth, origHeight;
if (document.layers) {
	origWidth = window.innerWidth; origHeight = window.innerHeight;
	window.onresize = function() { if (window.innerWidth != origWidth || window.innerHeight != origHeight) history.go(0); }
}

var cur_kund;	// holds id of currently visible layer
function swapLayers(id) {
  if (cur_kund) hideLayer(cur_kund);
  showLayer(id);
  cur_kund = id;
}

function showLayer(id) {
  var kund = getElemRefs(id);
  if (kund && kund.css) kund.css.visibility = "visible";
}

function hideLayer(id) {
  var kund = getElemRefs(id);
  if (kund && kund.css) kund.css.visibility = "hidden";
}

function getElemRefs(id) {
	var el = (document.getElementById)? document.getElementById(id): (document.all)? document.all[id]: (document.layers)? getkundRef(id,document): null;
	if (el) el.css = (el.style)? el.style: el;
	return el;
}

// get reference to nested layer for ns4
// from old dhtmllib.js by Mike Hall of www.brainjar.com
function getkundRef(kund,doc) {
	if (document.layers) {
		var thekund;
		for (var i=0; i<doc.layers.length; i++) {
	  	thekund = doc.layers[i];
			if (thekund.name == kund) return thekund;
			else if (thekund.document.layers.length > 0) 
	    	if ((thekund = getkundRef(kund,thekund.document)) != null)
					return thekund;
	  }
		return null;
  }
}


var cur_kund1;	// holds id of currently visible layer
function swapLayers1(id1) {
  if (cur_kund1) hideLayer1(cur_kund1);
  showLayer1(id1);
  cur_kund1 = id1;
}

function showLayer1(id1) {
  var kund1 = getElemRefs(id1);
  if (kund1 && kund1.css) kund1.css.visibility = "visible";
}

function hideLayer1(id1) {
  var kund1 = getElemRefs(id1);
  if (kund1 && kund1.css) kund1.css.visibility = "hidden";
}

function getElemRefs(id1) {
	var el = (document.getElementById)? document.getElementById(id1): (document.all)? document.all[id1]: (document.layers)? getkundRef(id1,document): null;
	if (el) el.css = (el.style)? el.style: el;
	return el;
}

// get reference to nested layer for ns4
// from old dhtmllib.js by Mike Hall of www.brainjar.com
function getkundRef(kund1,doc) {
	if (document.layers) {
		var thekund;
		for (var i=0; i<doc.layers.length; i++) {
	  	thekund = doc.layers[i];
			if (thekund.name == kund1) return thekund;
			else if (thekund.document.layers.length > 0) 
	    	if ((thekund = getkundRef(kund1,thekund.document)) != null)
					return thekund;
	  }
		return null;
  }
}

var cur_kund2;	// holds id of currently visible layer
function swapLayers2(id2) {
  if (cur_kund2) hideLayer1(cur_kund2);
  showLayer2(id2);
  cur_kund2 = id2;
}

function showLayer2(id2) {
  var kund2 = getElemRefs(id2);
  if (kund2 && kund2.css) kund2.css.visibility = "visible";
}

function hideLayer1(id2) {
  var kund2 = getElemRefs(id2);
  if (kund2 && kund2.css) kund2.css.visibility = "hidden";
}

function getElemRefs(id2) {
	var el = (document.getElementById)? document.getElementById(id2): (document.all)? document.all[id2]: (document.layers)? getkundRef(id2,document): null;
	if (el) el.css = (el.style)? el.style: el;
	return el;
}

// get reference to nested layer for ns4
// from old dhtmllib.js by Mike Hall of www.brainjar.com
function getkundRef(kund2,doc) {
	if (document.layers) {
		var thekund;
		for (var i=0; i<doc.layers.length; i++) {
	  	thekund = doc.layers[i];
			if (thekund.name == kund2) return thekund;
			else if (thekund.document.layers.length > 0) 
	    	if ((thekund = getkundRef(kund2,thekund.document)) != null)
					return thekund;
	  }
		return null;
  }
}