function CheckFields() {
	var sTitle = dom.getControl('GuestTitle').value;
	var sFirstName = dom.getControl('FirstName').value;
	var sLastName = dom.getControl('LastName').value;
	var sEmail = dom.getControl('email').value;
	if (sTitle.length == 0) alert('Please enter your title (eg Mr/Mrs etc)');
	else if (sFirstName.length == 0) alert('Please enter your First Name');
	else if (sLastName.length == 0) alert('Please enter your Last Name');
	else if (sEmail.length == 0) alert('Please enter your Email Address');
	else if (!EmailOK(sEmail)) alert('There seems to be a mistake in your Email Address: '+sEmail);
	else {
		document.frmLogin.submit();
	}
	return false;
}

function EmailOK(src) {
     var emailReg = "^[\\w-_\.]*[\\w-_\.]\@[\\w]\.+[\\w]+[\\w]$";
     var regex = new RegExp(emailReg);
     return regex.test(src);
}