Frank "HARRY" Puebló

/**
 * Block forms after first successful submit in
 * order to prevent consecutive ones.
 */
$('form').each(function()
{
        // Reset all forms
        $(this).data('submitted', 'no');
});

// Submit listeners
$('form').submit(function(e)
{
        if( ! $(this).attr('data-blockwith') || $(this).data('submitted') == 'no')
        {
                // Let the form submit as per usual, but
                // disable the submit button and change its
                // text to the given "Submitting..." string.
                var s   = $(this).find('input[type=submit]');
                var msg = $(this).attr('data-blockwith');

                $(s).val(msg);
                $(s).attr('disabled', true);

                // Mark form as submitted
                $(this).data('submitted', 'yes');

                // Let the form through
                return true;
        }

        // Keep blocking the submits
        e.preventDefault();
        return false;
});