Allow one vote per category

Hi,

Firstly I would like to thank you for the great script.

I am wondering if we could handle voting through tabs.

In more details:

I have several tabs with "products".
Each tab is a category.

So I want to allow people to vote 1 product per category. (per day)

Is this possible?

You can have a look at http://www.philapps.com/test/
Just click the Face tab.

Thanks for your help and thank you for the great script.

Best Wishes
Marios