function updateRounded(){
    $('.overlay-block').each(function(){
        $block=$(this);
        if(!$block.attr('rounded')){
            $block.attr('rounded',10);
        }
    });
    $('[rounded]').each(function(){
        var value=parseInt($(this).attr('rounded'));
        $(this).css({'-moz-border-radius':value,'-webkit-border-radius':value,'border-radius':value});
    });
}
$(function(){
    updateRounded();
});