PHP Form in Spry Tabbed Content Div

I have placed some PHP forms inside some Spry Tabbed Content divs. When the
forms are submitted, the page reloads with the default tabbed content displayed
instead of the tab where the form is. If I click to the tab with the form, I
can see the information PHP properly returned.

Does anybody know how to make the Spry Tabbed Content script return to the tab
that had focus when a PHP form is submitted instead of the default tab?

Thanks in advance for any advice.