// Function that starts the ajax process

function register_email(email) {
	//Confirm that object is usable
	if (ajax) {
		
		// Call the php script
		ajax.open('get', 'register.php?email=' + encodeURIComponent(email));
		
		// function that handles the response
		ajax.onreadystatechange = handle_register;
		
		// Send the request
		ajax.send(null);
		
		return false;
		
	}else {
		document.getElementById('registered').innerHTML = "Ajax did not work";
	}

} // End of register_email function

// Function that handles the response from the PHP Script
function handle_register() {
	
	// If everything is OK
	if ((ajax.readyState == 4) && (ajax.status == 200)) {
		
		// Assign a returned value to a document element
		document.getElementById('registered').innerHTML = ajax.responseText;
		if(ajax.responseText == 'Thank You') {
			document.getElementById('email').style.visibility = 'hidden';
			document.getElementById('email').style.position = 'absolute';
			document.getElementById('submit').style.visibility = 'hidden';
			document.getElementById('submit').style.position = 'absolute';
		}
	}
} // End of handle_register function