<script type="text/javascript">
//<![CDATA[
	/* Make sure all credit card details have been provided and are valid */
	function check_creditcard_payment_form() {
		var creditcard_ccno = g("creditcard_ccno");

		if(isNaN(creditcard_ccno.value) || creditcard_ccno.value == "") {
			alert("%%LNG_CreditCardEnterCardNumber%%");
			creditcard_ccno.focus();
			creditcard_ccno.select();
			return false;
		}

		return true;
	}


//]]>
</script>