Untitled

// Edited / adapted from http://forum.jquery.com/topic/jquery-validate-comma-seperated-multiple-emails-validation#14737000002179275
jQuery.validator.addMethod("multiemail", function (value, element) {
    if (this.optional(element)) {
        return true;
    }

    var emails = value.split(','),
        valid = true;

    for (var i = 0, limit = emails.length; i < limit; i++) {
        value = emails[i];
        valid = valid && jQuery.validator.methods.email.call(this, value, element);
    }

    return valid;
}, "Invalid email format: please use a comma to separate multiple email addresses.");