function validate() {
if ( document.status.lastname.value == "" ) {
	alert ("Please fill Last Name.");
	document.status.lastname.select();
	document.status.lastname.focus();
	return false;
	}
	
if ( document.status.zip.value == "" ) {
	alert ("Please fill Zip Code.");
	document.status.zip.select();
	document.status.zip.focus();
	return false;
	}
	
}