cv = new Image(); cv.src="images/cv.gif";
cv_s = new Image(); cv_s.src="images/cv_s.gif";
televize = new Image(); televize.src="images/televize.gif";
televize_s = new Image(); televize_s.src="images/televize_s.gif";
radio = new Image(); radio.src="images/radio.gif";
radio_s = new Image(); radio_s.src="images/radio_s.gif";
akce = new Image(); akce.src="images/akce.gif";
akce_s = new Image(); akce_s.src="images/akce_s.gif";
hobby = new Image(); hobby.src="images/hobby.gif";
hobby_s = new Image(); hobby_s.src="images/hobby_s.gif";
kontakt = new Image(); kontakt.src="images/kontakt.gif";
kontakt_s = new Image(); kontakt_s.src="images/kontakt_s.gif";

function changeImg (selected, name) {
  if (selected) {
    img = eval(name + "_s.src");
  } else {
    img = eval(name + ".src");
  }
  document [name].src= img;
}