home_bs = new Image(); home_bs.src="images/home_bs.gif";
home_bg = new Image(); home_bg.src="images/home_bg.gif";

email_bs = new Image(); email_bs.src="images/email_bs.gif";
email_bg = new Image(); email_bg.src="images/email_bg.gif";


aktuality_bs = new Image(); aktuality_bs.src="images/aktuality_bs.gif";
aktuality_bg = new Image(); aktuality_bg.src="images/aktuality_bg.gif";

skola_bs = new Image(); skola_bs.src="images/skola_bs.gif";
skola_bg = new Image(); skola_bg.src="images/skola_bg.gif";

jidelna_bs = new Image(); jidelna_bs.src="images/jidelna_bs.gif";
jidelna_bg = new Image(); jidelna_bg.src="images/jidelna_bg.gif";

druzina_bs = new Image(); druzina_bs.src="images/druzina_bs.gif";
druzina_bg = new Image(); druzina_bg.src="images/druzina_bg.gif";

historie_bs = new Image(); historie_bs.src="images/historie_bs.gif";
historie_bg = new Image(); historie_bg.src="images/historie_bg.gif";

ekoskola_bs = new Image(); ekoskola_bs.src="images/ekoskola_bs.gif";
ekoskola_bg = new Image(); ekoskola_bg.src="images/ekoskola_bg.gif";

galerie_bs = new Image(); galerie_bs.src="images/galerie_bs.gif";
galerie_bg = new Image(); galerie_bg.src="images/galerie_bg.gif";

kontakt_bs = new Image(); kontakt_bs.src="images/kontakt_bs.gif";
kontakt_bg = new Image(); kontakt_bg.src="images/kontakt_bg.gif";


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