function validateEnquiry(form) {

	var pass = true;


	if (pass) {
		pass = TextBox(form.your_name, 'Please enter your name.');
	}

	if (pass) {
		pass = TextBox(form.telephone, 'Please enter your telephone number.');
	}
	
	if (pass) {
		pass = TextBox(form.email, 'Please enter your email address.');
	}
	
	if (pass) {
		pass = Select(form.topic, 'Please select a topic.');
	}
	
	if (pass) {
		pass = TextBox(form.publication, 'Please let us know which publication you saw us advertised in.');
	}
	
	if (form.topic.selectedIndex == 1) {
		if (pass) {
			pass = TextBox(form.enquiry, 'Please enter your enquiry.');
		}
	}
	
	if (form.topic.selectedIndex == 2) {
		if (pass) {
			pass = TextBox(form.address1, 'Please enter your address.');
		}
		if (pass) {
			pass = TextBox(form.postcode, 'Please enter your postcode.');
		}
		if (pass) {
			pass = Select(form.catalogue, 'Please select a catalogue.');
		}
	}


	return pass;
}