if (document.images) {
  prol_f2 = new Image(45 ,18); prol_f2.src = "../pictures/prolo.gif";
  prol_f1 = new Image(45 ,18); prol_f1.src = "../pictures/prol.gif";
  berat_f2 = new Image(64 ,18); berat_f2.src = "../pictures/berato.gif";
  berat_f1 = new Image(64 ,18); berat_f1.src = "../pictures/berat.gif";
  coach_f2 = new Image(61 ,18); coach_f2.src = "../pictures/coacho.gif";
  coach_f1 = new Image(61 ,18); coach_f1.src = "../pictures/coach.gif";
  media_f2 = new Image(68 ,18); media_f2.src = "../pictures/mediao.gif";
  media_f1 = new Image(68 ,18); media_f1.src = "../pictures/media.gif";
  pers_f2 = new Image(49 ,18); pers_f2.src = "../pictures/perso.gif";
  pers_f1 = new Image(49 ,18); pers_f1.src = "../pictures/pers.gif";
  kont_f2 = new Image(54 ,18); kont_f2.src = "../pictures/konto.gif";
  kont_f1 = new Image(54 ,18); kont_f1.src = "../pictures/kont.gif";
  }