function updatePage() {
  if (request.readyState == 4) {
    if (request.status == 200) {
      /* Get the response from the server */
      var response = request.responseText;
      var alert = response.substring(0, 1);
      var alertText = response.substring(2, response.length);
    if (alert == "1") {
      window.location = "done.php";
    } else if (alert == "2") {
      var currentAlert = 
      document.getElementById("alert").innerHTML = alertText;
      document.getElementById("continue").disabled=true;
      var currentStatus = 
      document.getElementById("status");
      replaceText(currentStatus, "(( error ))");
    } else {
      var currentAlert = 
      document.getElementById("alert").innerHTML = alertText;
      document.getElementById("continue").disabled=false;
      var currentStatus = 
      document.getElementById("status");
      replaceText(currentStatus, "(( see error above ))");
    }
    } else {
      alert("Error! Request status is " + request.status);
    }
   }
}

function processForm() {
  document.getElementById("continue").disabled=true;
  var currentStatus = 
      document.getElementById("status");
      replaceText(currentStatus, "(( working...please wait ))");
  var name = document.getElementById("name").value;
  var email = document.getElementById("email").value;
  var address = document.getElementById("address").value;
  var city = document.getElementById("city").value;
  var state = document.getElementById("state").value;
  var zip = document.getElementById("zip").value;
  var country = document.getElementById("country").value;
  var phone = document.getElementById("phone").value;
  var project = document.getElementById("project").value;
  var comments = document.getElementById("comments").value;
  var email_me = getradio("email_me"); 
   if (email_me == undefined) {
   email_me = "";
   } else {
   }
  var interested_in = getradio("interested_in"); 
   if (interested_in == undefined) {
   interested_in = "";
   } else {
   }
  var code = document.getElementById("code").value;
  var url = "process_contact.php";
  request.open("POST", url, true);
  request.onreadystatechange = updatePage;
  request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
  request.send("name=" + escape(name) + "&email=" + escape(email) + "&address=" + escape(address) + "&city=" + escape(city) + "&state=" + escape(state) + "&zip=" + escape(zip) + "&country=" + escape(country) + "&phone=" + escape(phone) + "&project=" + escape(project) + "&email_me=" + escape(email_me) + "&interested_in=" + escape(interested_in) + "&comments=" + escape(comments) + "&code=" + escape(code));
}

function getradio(name) {
  var group = document.getElementsByName(name);
  for (i=0; i < group.length; i++) {
    if (group[i].checked == true) {
      return group[i].value;
    }
  }
}