var xmlhttp;
var website;
function changePage(str) 
{
	showContent(str);
}

function showContent(str)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="./pagina.php";
url=url+str;
xmlhttp.onreadystatechange=stateChangedContent;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function stateChangedContent()
{

if (xmlhttp.readyState==4)
{
document.getElementById("content").innerHTML=xmlhttp.responseText;
}
}

function showMenu(str)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="admin/menu.php";
document.getElementById("txtHead").innerHTML=str;
url=url+"?submenu="+str;
xmlhttp.onreadystatechange=stateChangedMenu;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function stateChangedMenu()
{
if (xmlhttp.readyState==1)
{
document.getElementById("txtHint").innerHTML="Menu is aan het laden...";
}
if (xmlhttp.readyState==4)
{
document.getElementById("txtHint").innerHTML=xmlhttp.responseText;
}
}

function loadAlbums(str)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="./fotos/admin/albums.php?id=";
url=url+str;
xmlhttp.onreadystatechange=stateChangedAlbums;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function stateChangedAlbums()
{

if (xmlhttp.readyState==4)
{
document.getElementById("albums").innerHTML=xmlhttp.responseText;
}
}

function saveCollectie(str)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var naam = document.getElementById("col"+str).value;
var url="./fotos/admin/collectieopslaan.php?id=";
url=url+str+"&naam="+naam;
xmlhttp.onreadystatechange=stateChangedSaveCollectie;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function stateChangedSaveCollectie()
{

if (xmlhttp.readyState==4)
{
document.getElementById("rescol").innerHTML=xmlhttp.responseText;
}
}

function saveAlbum(str)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var naam = document.getElementById("alb"+str).value;
var url="./fotos/admin/albumopslaan.php?id=";
url=url+str+"&naam="+naam;
xmlhttp.onreadystatechange=stateChangedSaveAlbum;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function stateChangedSaveAlbum()
{

if (xmlhttp.readyState==4)
{
document.getElementById("resalb").innerHTML=xmlhttp.responseText;
}
}


function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}