function ajaxManager ()
{
  var args = ajaxManager.arguments;
  switch (args[0])
  {
    case "load_page":
      if (document.getElementById)
      {
        var x = (window.ActiveXObject) ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
      }
      if (x)
      {
        x.onreadystatechange = function()
        {
          if (x.readyState == 4 && x.status == 200)
          {
            el = document.getElementById(args[2]);
            el.innerHTML = x.responseText;
          }
        }
        x.open("GET", args[1], true);
        x.send(null);
      }
    break;
    
    case "start_up":
      ajaxManager("load_page", "basic.xml", "ajaxContent");
    break;
  }
}