function getHTTPObject() {
  var xhr = false;
  if (window.XMLHttpRequest) {
    xhr = new XMLHttpRequest();
  } else if (window.ActiveXObject) {
    try {
      xhr = new ActiveXObject("Msxml2.XMLHTTP");
    } catch(e) {
      try {
        xhr = new ActiveXObject("Microsoft.XMLHTTP");
      } catch(e) {
        xhr = false;
      }
    }
  }
  return xhr;
}

function getRandomImage() {
  var request = getHTTPObject();
  if (request) {
    request.onreadystatechange = function() {
      parseResponse(request);
    };
    request.open("GET",
	      "http://www.holoweb.net/~liam/pictures/Search/randomimage.cgi", true);
    request.send(null);
  }
}

function parseResponse(request) {
  if (request.readyState == 4) {
    if (request.status == 200 || request.status == 304) {
      //var data = request.responseXML;
      var putmehere = document.getElementById("replaceme");
      if (putmehere) {
	putmehere.innerHTML = request.responseText;
      }
    }
  }
}