function validCode(zip) {
var zip = removeSpaces(zip);
if (zip.search) {
zip = removeSpaces(zip);
if (zip.length == 6 && zip.search(/^[a-zA-Z]\d[a-zA-Z]\d[a-zA-Z]\d$/)
!= -1) return true;
else if (zip.length == 7 &&
zip.search(/^[a-zA-Z]\d[a-zA-Z]-\d[a-zA-Z]\d$/) != -1) return true;
else return false;
}
return true;
}