function handleSWFAddress(e)
{
    var address = "/#"+ SWFAddress.getValue();
    $('#menu a').each(function(){
       $(this).removeClass('active');
        var link = $(this).attr("href");
        if(address == link) {
            $(this).addClass('active');
        } 
    });
}

SWFAddress.addEventListener(SWFAddressEvent.CHANGE, handleSWFAddress);