var xmlhttp=false; 
/*@cc_on @*/ 
/*@if (@_jscript_version >= 5) 
// JScript gives us Conditional compilation, we can cope with old IE versions. 
// and security blocked creation of the objects. 
  try { 
  xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); 
  } catch (e) { 
   try { 
    xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); 
   } catch (E) { 
    xmlhttp = false; 
   } 
  } 
@end @*/ 
if (!xmlhttp && typeof XMLHttpRequest!='undefined') { 
  xmlhttp = new XMLHttpRequest(); 
} 

function loadFragmentInToElement(fragment_url, element_id) { 
    var element = document.getElementById(element_id); 
    //element.innerHTML = '<center><img src="loading.gif"></center>'; 
    xmlhttp.open("GET", fragment_url); 
    xmlhttp.onreadystatechange = function() { 
      if (xmlhttp.readyState == 4 && xmlhttp.status == 200) { 
      element.innerHTML = xmlhttp.responseText;
      initImage()
      } 
    } 
    xmlhttp.send(null);
}

function initImage() {
  imageId = 'foto';
  image = document.getElementById(imageId);
  setOpacity(image, 0);
  image.style.visibility = 'visible';
  fadeIn(imageId,0);
}


function LaadInhoud(fragment_url, element_id) { 
    var element = document.getElementById(element_id); 
    //element.innerHTML = '<center><img src="loading.gif"></center>'; 
    xmlhttp.open("GET", fragment_url); 
    xmlhttp.onreadystatechange = function() { 
      if (xmlhttp.readyState == 4 && xmlhttp.status == 200) { 
      element.innerHTML = xmlhttp.responseText;
      initImage2()
      } 
    } 
    xmlhttp.send(null);
}

function initImage2() {
  imageId = 'inhoud';
  image = document.getElementById(imageId);
  setOpacity(image, 0);
  image.style.visibility = 'visible';
  fadeIn(imageId,0);
}


function fadeIn(objId,opacity) {
  if (document.getElementById) {
    obj = document.getElementById(objId);
    if (opacity <= 100) {
      setOpacity(obj, opacity);
      opacity += 10;
      window.setTimeout("fadeIn('"+objId+"',"+opacity+")", 100);
    }
  }
}


function setOpacity(obj, opacity) {
  opacity = (opacity == 100)?99.999:opacity;
  
  obj.style.filter = "alpha(opacity:"+opacity+")";
  obj.style.KHTMLOpacity = opacity/100;
  obj.style.MozOpacity = opacity/100;
  obj.style.opacity = opacity/100;
}