<script type="text/javascript">
function CD(d,o,t,x){return[x=~~(t=(d-o)/864e5),x=~~(t=(t-x)*24), x=~~(t=(t-x)*60),~~((t-x)*60)]}
function R(t){
  t=CD(new Date(2008,09,01,00,00,00),new Date());
  document.getElementById('costam').innerHTML='za '+t[0]+" dni, "+t[1]+" h, "+t[2]+" m, "+t[3]+"s";
  if((!t[0]&&!t[1]&&!t[2]&&!t[3]) || (t[0] <= 0 && t[1] <= 0 && t[2] <= 0 && t[3] <= 0))
      document.getElementById('costam').innerHTML='Koniec odliczania';
  else
      setTimeout('R()',1e3);
}

onload=function(){R();}

</script>

<div id="costam"></div>