function valquote() {

var empty = 0

if (document.form1.year.value == "") { empty = 1 }
if (document.form1.make.value == "") { empty = 1 }
if (document.form1.model.value == "") { empty = 1 }
if (document.form1.engine.value == "") { empty = 1 }
if (document.form1.mileage.value == "") { empty = 1 }
if (document.form1.email.value == "") { empty = 1 }

if (empty == 1) {
	alert("Fill in all required Textboxes!"); 
	return (false); }
else {
	return;  
}}