function y3k_getObj(id) {
	if (typeof id != "string") return id;  
	else return document.getElementById(id);
}

function y3k_displayObj(id,show) { // nastavi vlastnost display objektu na 'show'
	obj = y3k_getObj(id);
	obj.style.display = show;
}

function y3k_isDisplayedObj(id) {
	obj = y3k_getObj(id);
	return (obj.style.display == 'block') || (obj.style.display == 'inline');
}

function y3k_closeAll() {
	y3k_getObj('cz_langList').style.display = 'none';
	y3k_getObj('aus_langList').style.display = 'none';	
}

function y3k_swSMnu(objId) {
	obj=y3k_getObj(objId);
	if (!y3k_isDisplayedObj(obj)) {
		y3k_closeAll();
		y3k_displayObj(obj, 'block');
	} else y3k_closeAll();
	return false;
}

function y3k_init() {
	y3k_closeAll();
	initOK = true;
}

var DOM = (document.getElementById);
var initOK = false;

if (DOM) {
	document.write('<link rel="stylesheet" media="screen" type="text/css" href="css/tit_JSscreen01.php" />');
};