function validate(frm) {
	if (!frm.email) return false;
	if (!frm.name) return false;

	var name = frm.name;
	var email = frm.email;

	if (name.value == '') {
		alert('Please enter your name.');
		return false;	
	}

	if (email.value != '' && (email.value.lastIndexOf('.') < 0 || email.value.lastIndexOf('@') < 1)) {
		alert('The email address you have entered does not seem to be valid. Please check the address you have entered.');
		return false;
	} else if (email.value == '') {
		alert('An email address has not been supplied. Please enter your email address.');
		return false;
	}
	
	return true;
}