//3.AJAX call to send email
   var http_request = false;
   function makePOSTRequest(url, parameters) {
      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
         	// set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            http_request.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
      
      http_request.onreadystatechange = alertContents;
      http_request.open('POST', url, true);
      http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
      http_request.setRequestHeader("Content-length", parameters.length);
      http_request.setRequestHeader("Connection", "close");
      http_request.send(parameters);
   }


//4.Called from AJAX to write results into the page
   function alertContents() {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            result = http_request.responseText;
            document.getElementById('messageFormTitle').innerHTML = 'THANK YOU';            
            document.getElementById('messageForm').innerHTML = result;
            document.getElementById('myContactform').innerHTML = '';                          
         } else {
            document.getElementById('messageForm').innerHTML = 'There was a problem with the email. Please refresh this page and try again.';
         }
      }
   }
   
  
//2.Check the email is valid
function validate_email(field,alerttxt)
{
	with (field)
		{
		apos=value.indexOf("@");
		dotpos=value.lastIndexOf(".");
		if (apos<1||dotpos-apos<2) 
		  {alert(alerttxt);return false;}
		else {return true;}
		}
}


//1.Send the email message
function send_message(theObj) {

	//Test for name field	
	if (document.getElementById("name").value == "") {
		alert ("Please enter your name!")
		document.getElementById("name").focus();return false;
	}
	
	
	//Test email is entered and valid
	if (document.getElementById("email").value == "") {
		alert ("Please enter an email address!");
		document.getElementById("email").focus();return false;
	} else if (validate_email(document.getElementById("email"),"Your email address is not valid!")==false) {
		 document.getElementById("email").focus();return false;	
  	}
	
	
	//Test for message field	
	if (document.getElementById("message").value == "") {
		alert ("Please enter a message!")
		document.getElementById("message").focus();return false;
	}	


	//Disable the send button
	document.getElementById('messageLink').innerHTML = '<span class="formkeys">Sending...</span>';


	//Create the POST string
	var poststr = "name=" + encodeURI( document.getElementById("name").value ) +
				"&email=" + encodeURI( document.getElementById("email").value ) +
				"&message=" + encodeURI( document.getElementById("message").value );
	
				
	//alert(poststr);
    makePOSTRequest('phpscript/nomia_contact_reply.php', poststr);
}