function handleMenuClick(e) {
  var content = $(e.currentTarget).attr("id");
  $("#contentdiv").load(content + ".html", { }, function() {
      // We need to init light box after each content load, because it
      // needs to replace the links.
  });
  $("td.selected").removeClass("selected");
  $(e.currentTarget).addClass("selected");
}

function initializeMenuClicks() {
  var menuItems = $("area");
  for (var i = 0; i < menuItems.length; i++) {
    var item = $(menuItems[i]);
    item.bind("click", { }, handleMenuClick);
  }
}

$(document).ready(function() {
    $("#contentdiv").load("willkommen.html");
    initializeMenuClicks();
});