function validatesignup(theForm) {

	if (!validEmail(theForm.Email.value)) {
		alert('Please enter a valid Email Address.');
		theForm.Email.select();
		theForm.Email.focus();
		return false;
	}
	if (!CheckZip(theForm.Zip.value) || theForm.Zip.value.length == 0) {
		alert('Please enter a valid Zip/Postal Code (XXXXX or XXXXX-XXXX).');
		theForm.Zip.select();
		theForm.Zip.focus();
		return false;
	}
	return true;
}