function getxmlhttp() {
  try {
    xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  } catch(e) {
    try {
      xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
    } catch (E) {
      xmlhttp = false;
    }
  }
  
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }
  if (!xmlhttp && window.createRequest) {
    try {
      xmlhttp = window.createRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }
  return xmlhttp;
}

function phpinfo() {
  if ( !(xmlhttp = getxmlhttp()) ) {
    return;
  }

  xmlhttp.open("GET", "phpinfo.php");
  xmlhttp.onreadystatechange = function() {
    if (xmlhttp.readyState == 4 || xmlhttp.readyState == "complete") {
      document.getElementById('phpinfo').innerHTML = xmlhttp.responseText;
    }
  }
  xmlhttp.send(null);
}