/* dawn chalker's website javascript */

function ajax_request(url, ajax_return)
  {
  var request;

  request = false;
  if (window.XMLHttpRequest)
    {
    try
      {
      request = new XMLHttpRequest();
      }
    catch (e)
      {
      }
    }
  else if (window.ActiveXObject)
    {
    try
      {
      request = new ActiveXObject("Microsoft.XMLHTTP");
      }
    catch (e)
      {
      }
    }
  else
    return false;
  if (request)
    {
    request.onreadystatechange = function() { ajax_response(request, ajax_return, url); };
    request.open('GET', url, true);
    request.send(null);
    return true;
    }
  else
    return false;
  }

function ajax_response(request, ajax_return, url)
  {
  if (request.readyState == 4)
    {
    if (request.status == 0 || request.status == 200)
      ajax_return(request.responseText);
    else
      window.location = url;
    }
  }

function content_request(event)
  {
  if (event.target)
    elem = event.target;
  else
    elem = event.srcElement;
  url = elem.href;
  if (!ajax_request(url, content_response))
    return true;
  if (event.preventDefault)
    event.preventDefault();
  return false;
  }

function content_response(response)
  {
  var anchor, anchors, div, first, href, last;

  first = response.indexOf("<body");
  first += response.substring(first).indexOf(">") + 1;
  last = response.lastIndexOf("<\/body>") - 1;
  div = document.getElementById("main");
  div.innerHTML = response.substring(first, last);
  anchors = div.getElementsByTagName("a");
  for (anchor = 0; anchor < anchors.length; anchor++)
    {
    href = anchors[anchor].href;
    if (anchors[anchor].addEventListener)
      anchors[anchor].addEventListener("click", content_request, false);
    else if (anchors[anchor].attachEvent)
      anchors[anchor].attachEvent("onclick", content_request, false);
    else
      anchors[anchor].onclick = content_request;
    }
  }

function menu_hide(elem)
  {
  elem.getElementsByTagName("ul")[0].className = "hide";
  }


function menu_show(elem)
  {
  elem.getElementsByTagName("ul")[0].className = "show";
  }