function validate() {
	if (document.form1.name.value.length < 1) {
		window.alert("Please enter your full name.");
		return false;
	}
	if (document.form1.phone.value.length < 1) {
		window.alert("Please enter your phone number.");
		return false;
	}
	if (document.form1.email.value.length < 1) {
		window.alert("Please enter your email address.");
		return false;
	}
	return true;
}