function validate() {
	if (document.form1.custName.value.length < 1) {
		alert("Please enter your full name.");
		return false;
	}
	if (document.form1.custPhone.value.length < 1) {
		alert("Please enter your contact phone number.");
		return false;
	}
	if (document.form1.custComments.value.length < 1) {
		alert("Please enter your enquiry.");
		return false;
	}
}