function pocet_policek(id){
    for (i=1; i<21; i++){
      document.getElementById(i).style.display = "none";
    }
    for (i=1; i<id + 1; i++){
      document.getElementById(i).style.display = "";
    }
  }

function nahoru()
{
    if (run == 1)
    {
        if (document.getElementById('reports').scrollTop > 0)
        {
            document.getElementById('reports').scrollTop--;
            window.setTimeout("nahoru()",10);
        }
    }
}
function dolu()
{
    if (run == 1)
    {
        document.getElementById('reports').scrollTop++;
        window.setTimeout("dolu()",10);
    }
}