navigace11=new Image(); navigace11.src="navigace/navi-hlava2.gif";
navigace21=new Image(); navigace21.src="navigace/cislo-01-zluta.gif";
navigace22=new Image(); navigace22.src="navigace/cislo-02-zluta.gif";
navigace23=new Image(); navigace23.src="navigace/cislo-03-zluta.gif";
navigace24=new Image(); navigace24.src="navigace/cislo-04-zluta.gif";
navigace25=new Image(); navigace25.src="navigace/cislo-05-zluta.gif";
navigace26=new Image(); navigace26.src="navigace/cislo-06-zluta.gif";
navigace27=new Image(); navigace27.src="navigace/cislo-07-zluta.gif";
navigace28=new Image(); navigace28.src="navigace/cislo-08-zluta.gif";
navigace29=new Image(); navigace29.src="navigace/cislo-09-zluta.gif";
navigace30=new Image(); navigace30.src="navigace/cislo-10-zluta.gif";
navigace31=new Image(); navigace31.src="navigace/cislo-11-zluta.gif";
navigace32=new Image(); navigace32.src="navigace/cislo-12-zluta.gif";

navigace51=new Image(); navigace51.src="navigace/cislo-2004-zluta.gif";
navigace52=new Image(); navigace52.src="navigace/cislo-2005-zluta.gif";
navigace53=new Image(); navigace53.src="navigace/cislo-2006-zluta.gif";
navigace54=new Image(); navigace54.src="navigace/cislo-2007-zluta.gif";
navigace55=new Image(); navigace55.src="navigace/cislo-2008-zluta.gif";
navigace56=new Image(); navigace56.src="navigace/cislo-2009-zluta.gif";

function zamen(nazev_obr,novy_obr) {
  document.images[nazev_obr].src=novy_obr; }