/**
 * DHTML dropdown menu script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
 
// SHOW MENU
function showLayer(layerName,imgName){
 x = 130
 y = 90
 
 menuTop = y + 20 ; 
 arbetslagL = x + 95 ; 
 amnenL = x + 213 ;  
 vanskolorL = x + 272;
  skolinfoL = x + 352 ; 
 syvL = x + 417;  
 profilL = x + 456;
 projL = x + 550;
 
if (NS4 || IE4) {
 if (timeOn != null) {
 clearTimeout(timeOn)
 hideLayer(onLayer)
 }
 if (NS4 || IE4) {
 eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="'+layerVis+'"');
 eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.top="'+menuTop+'"');
 eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.left="'+eval(layerName+'L')+'"');
 } 
 onLayer = layerName
 }
}

 window.onerror = null;
 var bName = navigator.appName;
 var bVer = parseInt(navigator.appVersion);
 var NS4 = (bName == "Netscape" && bVer >= 4);
 var IE4 = (bName == "Microsoft Internet Explorer" && bVer >= 4);
 var NS3 = (bName == "Netscape" && bVer < 4);
 var IE3 = (bName == "Microsoft Internet Explorer" && bVer < 4);
 var menuActive = 0
 var menuOn = 0
 var onLayer
 var timeOn = null // LAYER SWITCHING CODE
if (NS4 || IE4) {
 if (navigator.appName == "Netscape"){
 layerStyleRef="layer.";
 layerRef="document.layers";
 styleSwitch="";
layerVis="show";
layerHid="hide";
 }else
{
 layerStyleRef="layer.style.";
 layerRef="document.all";
 styleSwitch=".style";
layerVis="visible";
layerHid="hidden";
 }
}// HIDE MENU
function hideLayer(layerName){
 if (menuActive == 0) {
 if (NS4 || IE4) {
 eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="'+layerHid+'"');
 }
 }
}// TIMER FOR BUTTON MOUSE OUT
function btnTimer() {
 timeOn = setTimeout("btnOut()",1000)
}// BUTTON MOUSE OUT
function btnOut(layerName) {
 if (menuActive == 0) {
 hideLayer(onLayer)
 }
}// MENU MOUSE OVER 
function menuOver(itemName) {
 clearTimeout(timeOn)
 menuActive = 1
}// MENU MOUSE OUT 
function menuOut(itemName) {
 menuActive = 0 
 timeOn = setTimeout("hideLayer(onLayer)", 400)

 }// SET BACKGROUND COLOR 
function setBgColor(layer, color) {
  if (NS4){
    eval('window.document.layers["'+layer+'"].document.bgColor="'+color+'"');
	eval('window.document.layers["'+layer+'"].saveColor="'+color+'"');
  }
  if (IE4){
    eval('document.all.'+layer+'.style.backgroundColor="'+color+'"');
  }
}

function getImage(name) {
  if (NS4) {
    return findImage(name, document);
  }
  if (IE4)
    return eval('document.all.' + name);
  return null;
}

function findImage(name, doc) {
  var i, img;
  for (i = 0; i < doc.images.length; i++)
    if (doc.images[i].name == name)
      return doc.images[i];
  for (i = 0; i < doc.layers.length; i++)
    if ((img = findImage(name, doc.layers[i].document)) != null) {
      img.container = doc.layers[i];
      return img;
    }
  return null;
}

function getImagePageLeft(img) {
  var x, obj;
  if (NS4) {
    if (img.container != null)
      return img.container.pageX + img.x;
    else
      return img.x;
  }
  if (IE4) {
    x = 0;
    obj = img;
    while (obj.offsetParent != null) {
      x += obj.offsetLeft;
      obj = obj.offsetParent;
    }
    x += obj.offsetLeft;
    return x;
  }
  return -1;
}

function getImagePageTop(img) {
  var y, obj;
  if (NS4) {
    if (img.container != null)
      return img.container.pageY + img.y;
    else
      return img.y;
  }
  if (IE4) {
    y = 0;
    obj = img;
    while (obj.offsetParent != null) {
      y += obj.offsetTop;
      obj = obj.offsetParent;
    }
    y += obj.offsetTop;
    return y;
  }
  return -1;
}