function clearemailvalue() {
     var emailvalue = document.getElementById("email").value;
     if (emailvalue == "email address") {
        document.getElementById("email").value="";
     } else {
     }
 }

function afterajax() {
  if (request.readyState == 4) {
    if (request.status == 200) {
      /* Get the response from the server */
      var response = request.responseText;
      var array = response.split("|");
      var alertNumber = array[0];
      var alertText = array[1];
      document.getElementById("status").innerHTML=alertText;
      document.getElementById("continue").disabled = false;
     } else {
      alert("Error! Request status is " + request.status);
    }
  }
}

function process() {
   document.getElementById("continue").disabled = true;
    document.getElementById("status").innerHTML="Working...Please wait.";
   var email = document.getElementById("email").value;
   var comments2 = document.getElementById("comments2").value;
   var url = "subscribe_do.php";
   request.open("POST", url, true);
   request.onreadystatechange = afterajax;
   request.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
   request.send("email=" + escape(email) + "&comments2=" + escape(comments2));        
}