function submitOrder() {
  var fnama = document.getElementById("fnama").value;
  var femail = document.getElementById("femail").value;
  var furl = document.getElementById("furl").value;
  var fsubject = document.getElementById("fsubject").value;
  var fpesan = document.getElementById("fpesan").value;
  
  var url = "feedbackSend.php";
  request.open("POST", url, true);
  request.onreadystatechange = showConfirmation;
  request.setRequestHeader("Content-Type",
                           "application/x-www-form-urlencoded");
  
  request.send("fnama=" + escape(fnama) +
				"&femail="+escape(femail) +
				"&furl="+escape(furl)+
			   "&fsubject="+escape(fsubject)+
			   "&fpesan="+escape(fpesan)
				);
 
}

function showConfirmation() {

	loader(); //tampilkan animasi loading terlebih dahulu
	
  if (request.readyState == 4) {
    if (request.status == 200) {
      var response= request.responseText;
      
      var errMsg = clearText(document.getElementById("err").innerHTML=response);

     // Replace the form with the confirmation
      replaceText(errMsg,response);
   } else {
      var message = request.getResponseHeader("Status");
      if ((message == null) || (message.length <= 0)) {
        alert("Error! Request status is " + request.status);
      } else {
        alert(message);
      }
    }
  }
}