jQuery Validate SSN

$.validator.addMethod('SocialSecurity',
    function (value) { 
        return validSSN(value) || value == "";
    }, 'Please enter a valid SSN'
);

function validSSN(value) {
    var regex = /^([0-6]\d{2}|7[0-6]\d|77[0-2])([ \-]?)(\d{2})\2(\d{4})$/;
    if (!regex.test(value)) {
        return false;
    }
    var temp = value;
    if (value.indexOf("-") != -1) {
        temp = (value.split("-")).join("");
    }
    if (value.indexOf(" ") != -1) {
        temp = (value.split(" ")).join("");
    }
    if (temp.substring(0, 3) == "000") {
        return false;
    }
    if (temp.substring(3, 5) == "00") {
        return false;
    }
    if (temp.substring(5, 9) == "0000") {
        return false;
    }
    return true;
}//end validSSN function