var request = null;
try {
  request = new XMLHttpRequest();
} catch (trymicrosoft) {
  try {
    request = new ActiveXObject("Msxml2.XMLHTTP");
  } catch (othermicrosoft) {
    try {
      request = new ActiveXObject("Microsoft.XMLHTTP");
    } catch (failed) {
      request = null;
    }
  }
}

if (request == null) {
  alert("Error creating request object!");
}


function sendContactInfo() {
  var name = document.getElementById("name").value;
  var phone = document.getElementById("phone").value;
  var email = document.getElementById("email").value;
  var company = document.getElementById("company").value;
  var comments = document.getElementById("comments").value;

  url = "/make_contact.php?" + new Date().getTime();
  request.open("POST", url, true);
  request.onreadystatechange = updateResponse;
  request.setRequestHeader("Content-Type",
    "application/x-www-form-urlencoded");
  request.send("name=" + escape(name) +
    "&phone=" + escape(phone) +
    "&email=" + escape(email) +
    "&company=" + escape(company) +
    "&comments=" + escape(comments));
}

function updateResponse() {
  if (request.readyState == 4) {
    if (request.status == 200) {
      var response = request.responseText;
      responseBox = document.getElementById("response");
      replaceText(responseBox, response);

      if (response.substr(0,6) != 'Please') {
	document.forms[0].reset();
      }
    }
  }
}


// from HR Ajax
function replaceText(el, text) {
  if (el != null) {
    clearText(el);
    var newNode = document.createTextNode(text);
    el.appendChild(newNode);
  }
}

function clearText(el) {
  if (el != null) {
    if (el.childNodes) {
      for (var i = 0; i < el.childNodes.length; i++) {
        var childNode = el.childNodes[i];
        el.removeChild(childNode);
      }
    }
  }
}