// JavaScript Document
function checkGuestForm(){
if (document.getElementById('name').value == '') {
	alert('Please enter your name');
	return false;
}
if (document.getElementById('email').value == '') {
	alert('Please enter your email address');
	return false;
}
if (document.getElementById('comments').value == '') {
	alert('You must enter a comment for the guest book');
	return false;
}
var myRE = /^[^@ ]+@[^@ ]+\.[^@ ]+$/;
if (!document.getElementById('email').value.match(myRE)) {
	alert('Your email is not in a recognised format. Please re-enter.');
	return false;
}
var handlerFunc = function(t) {
	//alert (t.responseText);
	if (document.getElementById('security_code').value != t.responseText) {
		alert('Please enter the security code correctly: '+t.responseText);
		return false;
	} else {  	
		//alert('success');
		document.guestbookform.submit();
	}
}
var errFunc = function(t) {
	alert('Error ' + t.status + ' -- ' + t.statusText);
}
new Ajax.Request('ajax/process.php', {parameters:'action=captcha', onSuccess:handlerFunc, onFailure:errFunc});
}