function CheckData(form) {
	var pass = true;
	
	if (pass) {
		pass = TextBox(form.name, 'Please enter your name.');
	}
	if (pass) {
		pass = Email(form.email, 'Please enter a valid email address.');
	}
	if (pass) {
		pass = TextBox(form.phone, 'Please enter your phone number.');
	}
	if (pass) {
		pass = TextBox(form.address1, 'Please enter the first line of your address.');
	}
	if (pass) {
		pass = TextBox(form.town, 'Please enter your town.');
	}
	if (pass) {
		pass = TextBox(form.postcode, 'Please enter your postcode.');
	}
	if (pass) {
		pass = Radio(form.fuel, 'Please enter the type of fuel you require.');
	}
	if (pass) {
		pass = TextBox(form.quantity, 'Please enter the quantity you require.');
	}
	if (pass) {
		form.submit();
	}
}