function appt_check_form(){
	if(document.appointmentform.aname.value==""){
		alert("Please enter your name.");
		document.appointmentform.aname.focus();
		return false;
	}
	if(document.appointmentform.phone.value==""){
		alert("Please enter your phone number.");
		document.appointmentform.phone.focus();
		return false;
	}
	if(document.appointmentform.email.value==""){
		alert("Please enter your email address.");
		document.appointmentform.email.focus();
		return false;
	}
	return true;
}
function submitform(){
	s = appt_check_form();
	if(s==true) document.appointmentform.submit();
}