<!--//
// validate the contact form
function validateForm() {
var err = 0;
var errors = 'Sorry, the following errors exist on the form:\n';
var email = /^.+\@.+\..+$/;

f = document.form;

// validate the form
if (!document.form.name.value) {
	err++;
	errors += ' - please enter your name\n';
}

if (!f.email.value && !f.phone.value) {
	err++;
	errors += ' - please enter your contact telephone number or email address\n';
} else {

	if (f.email.value && email.test(f.email.value) == false) {
		err++;
		errors += ' - your email address is in an invalid format\n';
	}

	if (!f.phone.value) {
		err++;
		errors += ' - please enter your contact telephone number\n';
	}
}

if (!f.query.value) {
	err++;
	errors += ' - please enter your query\n';
}

if (err > 0) {
	alert(errors);
}

return (err == 0);
}
// -->