function toonContent(id, tabel)
{
  var url = "ajax.php?id=" + id + "&tabel=" + tabel;
  var ajax = false;
  if (window.XMLHttpRequest){
    ajax = new XMLHttpRequest();
    if (ajax.overrideMimeType){
      ajax.overrideMimeType('text/xml');
    }
  } 
	else if (window.ActiveXObject){
    try {
      ajax = new ActiveXObject("Msxml2.XMLHTTP");
    } 
		catch (e){
      try {
        ajax = new ActiveXObject("Microsoft.XMLHTTP");
		  } 
		  catch (e) {}
    }
  }
  ajax.onreadystatechange = function() {laadContent(ajax); };
  ajax.open('GET', url, true);
  ajax.send(null);
}

function laadContent(ajax){
  if (ajax.readyState == 4){
    if (ajax.status == 200){
		  document.getElementById("resultaat").style.display = 'block';
      document.getElementById("resultaat").innerHTML=ajax.responseText;
    }
    else{
      alert('Er is een probleem met de verwerking van de gegevens.');
    }
  }
}