// JavaScript Document

function validation(form) {
if(form.firstName.value == '') {
	alert ('Please enter your first name');
	form.firstName.focus();
	return false;
	}
	
if(form.lastName.value == '') {
	alert ('Please enter your last name');
	form.lastName.focus();
	return false;
	}
	
if(form.phone.value == '') {
	alert ('Please enter your phone number');
	form.phone.focus();
	return false;
	}
	
if(form.email.value == '') {
	alert ('Please enter your email address');
	form.email.focus();
	return false;
	}
	
return true;
}