function isEmail(elm) {
    var re = new RegExp("[\\w\\.]+@{1}[\\w\\.]+\\.[\\w]{2,4}", "i");
    return re.test( elm.value );
}

function checkOut() {
    document.forms['frmGoCheckout'].submit();
}

function myAccount() {
    document.forms['frmMyAccount'].submit();
}