var testuj = function () {
	this.cache = [];
	this.xmlHttp = vytvorXmlHttpRequestObjekt ();

  this.odesli = function (obsluha, id) {
  	//pridej do cache
		if (obsluha) {
			var query = "obsluha=" + encodeURIComponent (obsluha);
			query += "&id=" + encodeURIComponent (id);
			query += "&jazyk=" + encodeURIComponent (jazyk);

			for (var i = 2; i < arguments.length; i++)
				query += "&hodnota" + (i - 1) + "=" + encodeURIComponent (arguments[i]);

			this.cache.push (query);
		}
		
		if ((this.xmlHttp.readyState == 4 || this.xmlHttp.readyState == 0) && this.cache.length > 0) {
			var cachePolozka = this.cache.shift ();
			this.xmlHttp.open ("POST", ajaxCesta, true);
			this.xmlHttp.setRequestHeader ("Content-Type", "application/x-www-form-urlencoded");
			this.xmlHttp.setRequestHeader ("Content-length", cachePolozka.length);
			this.xmlHttp.setRequestHeader ("Connection", "close");
			var objekt = this;
			this.xmlHttp.onreadystatechange = function () {objekt.zpracuj()};
			this.xmlHttp.send (cachePolozka);
		}
	}

	this.zpracuj = function () {
		if (this.xmlHttp.readyState == 4) {
			if (this.xmlHttp.status == 200) {
				this.vypis ();
			}
			else {
				//dokonceno s chybou prenosu, napr. server neodpovedel, server je spadly apod... moznost zkusit znovu
				//this.xmlHttp.statusText
			}
			//zpracuj dalsi polozky v cache
			this.odesli ();
		}
	}

	this.vycisti = function (id) {
		document.getElementById (id + "Chyba").innerHTML = "";
	}

	this.pocetZnaku = function (id, hodnota, maximum) {
		var retezec = new String (hodnota);
		var objekt = document.getElementById (id + "PocetZnaku");
		objekt.innerHTML = retezec.length + '/' + maximum;
		if (retezec.length > maximum)
			objekt.style.color = "#ff0000";
		else
			objekt.style.color = "#000000";
	}

	this.vypis = function () {
		var xmlDokument = this.xmlHttp.responseXML.documentElement;
		var id = xmlDokument.getElementsByTagName ("id")[0].childNodes[0].nodeValue;
		var vysledek = xmlDokument.getElementsByTagName ("vysledek")[0].childNodes[0].nodeValue;
		document.getElementById (id + "Chyba").innerHTML = vysledek;
	}
};