function renderBody(wizard, state, body, index)
{
    var uniqueId = getUniqueId(wizard),
        uniqueBodyId = uniqueId + _tabpanelSuffix + index,
        uniqueHeaderId = uniqueId + _titleSuffix + index;

    body._id(uniqueBodyId).attr("role", "tabpanel")._aria("labelledby", uniqueHeaderId)
        .addClass("body")._showAria(state.currentIndex === index);
}
Transforms the body to a proper tabpanel.

@static
@private
@method renderBody
@param wizard {Object} A jQuery wizard object
@param body {Object} A jQuery body object
@param index {Integer} The position of the body