var fr_timestamp;
function fr_init_loop(nr,msec)
{
  if(fr_timestamp)
    clearTimeout(fr_timestamp);
  divs=document.getElementById("fotoreportaze").getElementsByTagName('div');
  var v=0;
  for(var i=0;i<divs.length;i++)
  {
    if(divs[i].id.match(/^fr-\d+$/))
    {
      if(nr==v)
      {
        divs[i].style.display="block";
        document.getElementById("fr-span-"+v).style.background="#c0ddf7";
      }
      else
      {
        divs[i].style.display="none";
        document.getElementById("fr-span-"+v).style.background="transparent";
      }
      v++;
    }
  }
  v--;
  if(nr<v)
    nr++;
  else
    nr=0;
  fr_timestamp=setTimeout("fr_init_loop("+nr+","+msec+")",msec);
}