jquery.validation - how to ignore default values when validating mandatory fields

Question

I am using jquery validation plugin to validate a registration form.

Each text input field has instructions pre-filled as values in the input box

ex: for a

Answer 1

for me the above only worked with the following changes:

jQuery.validator.addMethod("defaultInvalid", function(value, element) 
{
    switch (element.value) 
    {
        case "Your Name":
            if (element.name == "element_name") return false;
            break;
        default: return true; 
            break;
    }
});

Answer 2

I think this is better:

jQuery.validator.addMethod("defaultInvalid", function(value, element) 
{
    return !(element.value == element.defaultValue);
});