function flip(object)
  {
    object.style.backgroundImage="url('images/menuflip.png')";
  }
  function unflip(object)
  {
    object.style.backgroundImage="url('images/menu.png')";
  }
  function load(url)
  {
    document.location = url;
  }
  function view (id)
  {
    document.getElementById("popup").style.visibility = "visible";
    document.getElementById("popup").innerHTML = referrals[id] + "<p align='Center'><a onclick='unview()'>[Close]</a></p>";
  }
  function unview ()
  {
    document.getElementById("popup").style.visibility = "hidden";
    document.getElementById("popup").innerHTML = "";
  }