function add(what){
	document.getElementById("post").value += what;
	document.getElementById("post").focus();
}
function fw(jmeno, id){
	if(jmeno == "") jmeno = "Všem";
	if(id == "") id = 0;
	document.getElementById("fwshow").innerHTML = jmeno;
	document.getElementById("fwname").value = jmeno;
	document.getElementById("fwid").value = id;
	if(id > 0){
		document.getElementById("fwdo").innerHTML = "<a href='javascript: fw(\"\", \"\")'>Všem</a>";
	}
	else {
		document.getElementById("fwdo").innerHTML = "";
	}
	document.getElementById("post").focus();
}
function rename(link, jmeno){
	var novy = window.prompt('Zadejte nový název místnosti:', jmeno)
	if(novy != null) window.location = link+'?new='+novy;
}
function remove(link, title){
	if(window.confirm('Naozaj chcete smazat místnost: '+title+' ?'))
		window.location = link;
}
function ajax(stranka, kam){
	var httpRequest;
	if(typeof window.ActiveXObject != 'undefined')
	{
		httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else
	{  
		httpRequest = new XMLHttpRequest();
	}
	httpRequest.open("GET", stranka, true);
	httpRequest.onreadystatechange= function () 
	{
		processRequest(httpRequest, kam) 
	};
	httpRequest.send(null);
}
function processRequest(httpRequest, kam) {
	if (httpRequest.readyState == 4)
	{
		if(httpRequest.status == 200)
		{
			document.getElementById(kam).innerHTML = httpRequest.responseText;
		}
		else
		{
			document.getElementById(kam).innerHTML = "Chyba pri nacitani textu " + httpRequest.status +" : "+ httpRequest.statusText;
		}
	}
}