document.documentElement.className="jsp";

function vybal(id,vyska){
	var kdo = document.getElementById(id);
	if(kdo.animujeSe) return false;
	kdo.animujeSe = true;	
	var krok = function(pozice){
		return function(){
			kdo.style.height = Math.round(vyska * Math.pow(pozice / 100, 2)) + "px";
		};
	};
	for(var i = 0; i <= 100; i++){
		if(kdo.rozbaleno) {
			setTimeout(krok(100 - i), i * 10);
		} else {
			setTimeout(krok(i), i * 10);
		}
	}
	setTimeout(function() {
		kdo.animujeSe = false;
	}, i * 10);
	kdo.rozbaleno = !kdo.rozbaleno;	
	return false;
}

function Kolotoc(idobalu,time){
	var r = document.getElementById(idobalu);
	for(var i = 0, v = []; v[i] = r.childNodes[i]; i++);
	v.sort(function(a, b) { return Math.random() - 0.5 });
	for(var i = 0, e; e = v[i]; i++) r.appendChild(e);
	setInterval(function() {r.appendChild(r.firstChild)}, time);
}


function OpenIframe(a){	
	var puvodniText = a.innerHTML;
	var novyText = "<b>&raquo; zavřít &laquo;</b>";
	var f = document.createElement("iframe");
	f.src = a.href + "?iframe=posazavi";
	f.name = "kalendar";
	f.id = "kalendar";
	f.width = "540";
	f.height = "540";
	f.style.display = "block";
	a.innerHTML = novyText;
	f.scrolling = "no";
	f.allowTransparency = "true";
	f.frameBorder = "0";
	document.body.appendChild(f);
	
	a.onclick = function(){
		if(f.style.display == "block"){
			f.style.display = "none";
			a.innerHTML = puvodniText;
		} else {
			f.style.display = "block";
			a.innerHTML = novyText;
		} return false;
	}	
}