function Ukonci() {
document.write("<a href='javascript:window.close();' title='Zavøít okno'><img src='images/btn_zavrit.gif' alt='Zavøít okno' width='74' height='32' border='0'><\/a>")
}

function Ukonci2() {
document.write("<a href='javascript:window.close();' title='Zavøít okno'><img src='images/btn_zavrit2.gif' alt='Zavøít okno' width='49' height='24' border='0'><\/a>")
}

function zavri(){
if(document.getElementById){document.getElementById("nacitani").style.visibility="hidden" ;}
else{
	if(document.all){document.all.nacitani.style.visibility="hidden" ;}
	}
}

function change_image(obr,adresa) { 
obr.src=adresa;
return false;
}

onload=zavri;