function fold(id) {
  if(navigator.appName.indexOf("Microsoft") > -1){
    var visa = "block"
  } else {
    var visa = "table-row";
  }
  var mid = "medlemsinfo" + id;
  var nid = "medlem" + id;
  var iid = "img" + id;
  if (document.getElementById(mid).style.display == visa) {
    document.getElementById(mid).style.display = "none";
    document.getElementById(iid).src = "/img/pil.gif";
    document.getElementById(nid).style.backgroundColor = "#ffffff";
  } else {
    document.getElementById(mid).style.display = visa;
    document.getElementById(iid).src = "/img/pil-ner.gif";
    document.getElementById(nid).style.backgroundColor = "#dbd5cc";
  }
}