<!--
function formCheck() {
        if ((document.StoreForm.PostCode.value == "") || (document.StoreForm.PostCode.value / document.StoreForm.PostCode.value != 1) || (document.StoreForm.PostCode.value.length != 4)) {
        alert("Please enter a Postcode.\n\nPostcodes must contain ONLY numbers and be 4 digits long.");
		document.StoreForm.PostCode.focus();
        return false;
		}
	}
//-->