function validAddress(firstAddress, secondAddress)
{
	var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;

	if (firstAddress.value != secondAddress.value){
		alert("The first address entered is not identical to the second. Please try again.");
		return false;
	}
	else if (!firstAddress.value.match(emailExp)){
		alert("Invalid email address. Please try again.");
		return false;
	}
	else{
		return true;
	}
}