// JavaScript Document
function checkpostcode(){
	postcode = document.vtapp.postcode.value;
	new ajax('getaddress.php', {postBody: 'postcode='+postcode, update: $('postcode_details')});
	var element = document.getElementById('postcode_details');
	element.style.display = 'block';
}
function getaddress(){
	postcode = document.vtapp.postcode.value;
	address = document.vtapp.address.value;
	new ajax('getaddress.php', {postBody: 'postcode='+postcode+'&address='+address, update: $('postcode_details')});
	var element = document.getElementById('postcode_details');
	element.style.display = 'block';
}