function validate() {
	if (document.form1.custname.value.length < 1) {
		alert("Please enter your full name.");
		document.form1.custname.focus();
		return false;
	}
	if (document.form1.custaddress.value.length < 1) {
		alert("Please enter your address.");
		document.form1.custaddress.focus();
		return false;
	}
	if (document.form1.custphone.value.length < 1) {
		alert("Please enter your contact phone number.");
		document.form1.custphone.focus();
		return false;
	}
}