/*************************************************************************
 *
 * AJAX
 *
 *************************************************************************/

var xmlHttp = null;

function GetXmlHttpObject()
{
  try
  {
    xmlHttp = new XMLHttpRequest();
  }
  catch(e)
  {
    try
    {
      xmlHttp = new ActiveXObject("MSXML2.XMLHTTP");
    }
    catch(e)
    {
      xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
  }

  return xmlHttp;
}


/*************************************************************************
 *
 * do_action
 *
 *************************************************************************/

function do_action(action)
{
  var storeid = document.getElementById('storeid');
  var url = 'diagnose.cgi?function=' + action;

  switch (action)
  {
    case check_status:
      var pathname = document.getElementById('pathname');
      url += '&pathname=' + encodeURIComponent(pathname.value);
      break;

    case test_email:
      var to = document.getElementById('to');
      var cc = document.getElementById('cc');
      var from = document.getElementById('from');
      var subject = document.getElementById('subject');
      var message = document.getElementById('message');
      var reply_to = document.getElementById('reply_to');
      var errors_to = document.getElementById('errors_to');

      url += '&to='        + encodeURIComponent(to.value);
      url += '&cc='        + encodeURIComponent(cc.value);
      url += '&from='      + encodeURIComponent(from.value);
      url += '&subject='   + encodeURIComponent(subject.value);
      url += '&message='   + encodeURIComponent(message.value);
      url += '&reply_to='  + encodeURIComponent(reply_to.value);
      url += '&errors_to=' + encodeURIComponent(errors_to.value);
      break;

    case ip_lookup:
      var hostname = document.getElementById('hostname');
      url += '&hostname=' + encodeURIComponent(hostname.value);
      break;

    case check_connect:
      var port = document.getElementById('port');
      var hostname = document.getElementById('connect_name');
      url += '&hostname=' + encodeURIComponent(hostname.value);
      url += '&port=' + encodeURIComponent(port.value);
      break;
  }

  url += '&storeid=' + encodeURIComponent(storeid.value);
  url += '&access_token=' + encodeURIComponent(access_token);
  url += '&sid=' + Math.random();

  results_id = 'results_' + action;

  xmlHttp = GetXmlHttpObject();
  xmlHttp.onreadystatechange = show_results;
  xmlHttp.open("GET", url, false); // synchronous
  xmlHttp.send(null);

  return false;
}


/*************************************************************************
 *
 * show_results
 *
 *************************************************************************/

function show_results()
{
  if (xmlHttp.readyState == 4 || xmlHttp.readyState == 'complete')
  {
    var results_div = document.getElementById(results_id);
    results_div.innerHTML = xmlHttp.responseText;
    results_div.style.display = '';
  }

  return false;
}


/*************************************************************************
 *
 * clear_results
 *
 *************************************************************************/

function clear_results(id)
{
  var results_div = document.getElementById('results_' + id);
  results_div.style.display = 'none';
  results_div.innerHTML = '';

  return false;
}