Do you have a coder working with you? If so, (and they're familiar with PHP), they should be able to extend the functionality you need. If not, I'd recommend

Do you have a coder working with you? If so, (and they're familiar with PHP), they should be able to extend the functionality you need. If not, I'd recommend finding someone on odesk type sites. Find someone who specializes in WP customization (they'll prob be a little more expensive, but IMO worth it.