function openwindow(adresa, width, height) {
  if (adresa == parseInt(adresa)) {
    window.open("popup.php?prFileId="+adresa,"","locationbar=no,directories=no,status=no,menubar=no,width="+width+",height="+height+",top=30,left=25,scrollbars=yes,resizable=yes");
  }
  else {
    window.open(adresa,"","locationbar=no,directories=no,status=no,menubar=no,width="+width+",height="+height+",top=30,left=25,scrollbars=yes,resizable=yes");
  }
}