var i=1;
function show(id) {
  $('.promo_txt_tl:visible').fadeOut('200',function () {
    $($('.promo_txt_tl')[id-1]).fadeIn('200');
  });
  
  $('.promo_item_r:visible').fadeOut('200',function () {
    $($('.promo_item_r')[id-1]).fadeIn('200');
  });
}

function next(start) {
  if (!start) i++;  
  if (i>$('.promo_txt_tl').length) i=1;  
  show(i);  
  timeoutID = setTimeout("next(0)", 9000);  
}
$(document).ready(next(1));