function zmienColor(co,jaki)
{
co.style.backgroundColor=jaki;
}

function przeskocz(gdzies)
{
parent.location.replace(gdzies);
}

function potwierdz(tresc,cel)
{
if (confirm(tresc))
 {
 parent.location.replace(cel);
 }
}

noweOkno = null;
function powieksz(plik, w, h)
{
  if(window.screen){
    aw=screen.availWidth;
    ah=screen.availHeight;
  }else{
    aw=640;
    ah=450;
  }
  if (noweOkno!=null&&(!noweOkno.closed))
  {
  	noweOkno.window.close();
    //alert('I closed it!');
  }
  if(noweOkno==null || noweOkno.closed)
  	{
    ustawienia=
     "left=" + (aw-w)/2 + ","
    +"top=" + (ah-h)/2 + ","
    +"screenX=" + (aw-w)/2 + ","
    +"screenY=" + (ah-h)/2 + ","
    +"width=" + w + ","
    +"height=" + h + ","
    +"innerWidth=" + w + ","
    +"innerHeight=" + h + ","
    +"toolbar=no,"
    +"location=no,"
    +"directories=no,"
    +"status=no,"
    +"menubar=no,"
    +"scrollbars=yes,"
    +"resizable=no"
    noweOkno = window.open(plik,'obrazek',ustawienia);
	}
  noweOkno.document.close();
  noweOkno.focus();
}