function NahraditText(retezec, co, cim) {
	if (retezec == "") return retezec;
	if (co == "") return retezec;
	if (NahraditText.arguments.length < 4) {n = 0} else {n = NahraditText.arguments[3]}
	var i = retezec.indexOf(co, n);
	if (i < 0) return retezec;
	var pred = retezec.substring(0, i);
	var za = retezec.substring(i+co.length, retezec.length);
	return NahraditText(pred+cim+za, co, cim, (i+cim.length));
}
function LevaCast(retezec, deliciZnak) {
    var prac = ""+retezec;
    if (prac.length == 0) return prac;
    if (deliciZnak.length == 0) return prac;
		        var pozice;
  	if ((pozice = prac.indexOf(deliciZnak)) < 0) return prac;
    return (prac.substring(0, pozice));
}
function PravaCast(retezec, deliciZnak) {
 	var prac = ""+retezec;
 	if (prac.length == 0) return prac;
  	if (deliciZnak.length == 0) return prac;
	var pozice;
	if ((pozice = prac.indexOf(deliciZnak)) < 0) return prac;
	return (prac.substring(pozice+deliciZnak.length, prac.length));
}
function Otevrit(URLstring, sirka, vyska) {
    okno = window.open(URLstring,"","toolbar=no,status=no,scrollbars=yes,resizable=yes,width="+sirka+",height="+vyska);
    okno.mainWindow = top;
}
function MovieOkno(soubor,titulek) {
    Otevrit("movie.html?"+soubor+','+titulek, 380, 300)
}