function is_valid_email_address(val) {
	var reG = new RegExp(/^([0-9a-zA-Z]([-.\w]*[0-9a-zA-Z])*@([0-9a-zA-Z][-\w]*[0-9a-zA-Z]\.)+[a-zA-Z]{2,9})$/);
	return (reG.exec(val) != null);
}