var http = false;

if(navigator.appName == "Microsoft Internet Explorer") {
  http = new ActiveXObject("Microsoft.XMLHTTP");
} else {
  http = new XMLHttpRequest();
}

function makefav(u)
{
  http.open("GET", "/fav.ajax.php?id="+u+"&rnd="+Math.random(), true);
  http.onreadystatechange=function() {
    if(http.readyState == 4) {
      if (d = document.getElementById('favkasten')) {
        d.innerHTML = http.responseText;
      }
    }
  }
  http.send(null);

  id = 'kast'+u;
  d = document.getElementById(id);

  if (d.src.indexOf('fav.png') > 0) d.src='/images/fav2.png';
  else d.src = '/images/fav.png';
}



function opensite(u)
{
  window.open(u,'gokkast','resizable=yes,height=543,width=800');
  if (d = document.getElementById('igokframe')) {
    d.style.display = 'none';
  }
  document.getElementById('gkbtn').innerHTML = '<p>Het spel is in een nieuw venster geopend (geweest).</p>';
}