// JavaScript Document

/* following Javascript content added by Alex */

var browserType;

if (document.layers) {browserType = "nn4"}
if (document.all) {browserType = "ie"}
if (window.navigator.userAgent.toLowerCase().match("gecko")) {
   browserType= "gecko"
}

function hide() { //hides the submenu, we only want it visible from the sub pages
  if (browserType == "gecko" )
     document.poppedLayer = 
         eval('document.getElementById("submenu")');
  else if (browserType == "ie")
     document.poppedLayer = 
        eval('document.getElementById("submenu")');
  else
     document.poppedLayer =   
        eval('document.layers["submenu"]');
  document.poppedLayer.style.visibility = "hidden";
}

function show() { //make the submenu visible when on the sub pages
  if (browserType == "gecko" )
     document.poppedLayer = 
         eval('document.getElementById("submenu")');
  else if (browserType == "ie")
     document.poppedLayer = 
        eval('document.getElementById("submenu")');
  else
     document.poppedLayer = 
         eval('document.layers["submenu"]');
  document.poppedLayer.style.visibility = "visible";
}

function setActiveTop() { //highlights the active link on main navigation bar
  aObj = document.getElementById('topnav').getElementsByTagName('a');
  for(i=0;i<aObj.length;i++) {
    if(document.location.href.indexOf(aObj[i].href)>=0) {
      aObj[i].className='active';
    }
  }
}

function setActiveLinksNavigation() { // both top and left with JS
  //setActiveTop();
  //hide();
  setActiveLinkSecondaryNavBar()
}

function setActiveLinkSecondaryNavBar() { //highlights the active link on the secondary (left) navigation bar
  aObj = document.getElementById('leftnav').getElementsByTagName('a');
  for(i=0;i<aObj.length;i++) {
    if(document.location.href.indexOf(aObj[i].href)>=0) {
      aObj[i].className='active';
      //show(); //function used to show the submenu
    }
  }
}


/*function showBio() { //show the iframe Bio
  if (browserType == "gecko" )
     document.poppedLayer = 
         eval('document.getElementById("bioFrame")');
  else if (browserType == "ie")
     document.poppedLayer = 
        eval('document.getElementById("bioFrame")');
  else
     document.poppedLayer = 
         eval('document.layers["bioFrame"]');
  document.poppedLayer.style.visibility = "visible";
}

function changeBio (index) {
 // var castName="visser_bio.html";
 //if (index==1) {castName="wahl_bio.html";}
 //parent.cast.location = castName;
 var castName="";
 if (index==1) {castName="wahl_bio.html";}
 else if (index==2){castName="visser_bio.html";}
 else {castName="berg_bio.html";}
 parent.cast.location = castName; 
 parent.counter.counter.value=castName;
 //showBio();
 return
}*/