var current_item = 0;
var obj_items = [];

for(var i = 0; i < number_obj_items.length; i++){
  obj_items.push(document.getElementById('rotwof' + number_obj_items[i]));
}
obj_items[current_item].style.display = 'block';

function show_obj_item(){  
  obj_items[current_item].style.display = 'none';
  current_item++;
  if(current_item >= number_obj_items.length){
    current_item = 0;
  }
  obj_items[current_item].style.display = 'block';
  //bj_items[current_item].style.marginTop = '-'+current_item*topmargin+'px';
  fade_in(obj_items[current_item]);
  var link = obj_items[current_item].getElementsByTagName('A')[0];
  link.onmouseover = link_over;
  link.onmouseout = link_out;
}

var obj_item_loop = setInterval(show_obj_item, delay * 1000);

var link = obj_items[current_item].getElementsByTagName('A')[0];
link.onmouseover = link_over;
link.onmouseout = link_out;

var fade_timeout;
function fade_in(el){
  for(var i = 0; i <= 400; i++){
    fade_timeout = setTimeout('set_opacity(\''+el.id+'\', '+i+')', i * 10);
  }
}

function set_opacity(id, opacity) {
  el = document.getElementById(id);
  opacity = (opacity == 100)?99.999:opacity;
  el.style.filter = "alpha(opacity:"+opacity+")";
  el.style.KHTMLOpacity = opacity/100;
  el.style.MozOpacity = opacity/100;
  el.style.opacity = opacity/100;
}

function link_over(){
    clearInterval(obj_item_loop);
  }
function link_out(){
    obj_item_loop = setInterval(show_obj_item, delay * 1000)
}