var xmlhttp;

function showUser(adresa,pocet,url)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Váš prehliadac nepodporuje HTTP requesty");
  return;
  }

var url="inc/"+url+".php";
url=url+"?host="+adresa;
url=url+"&count="+pocet;
xmlhttp.onreadystatechange=stateChanged;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);

}

function stateChanged()
{
if (xmlhttp.readyState==4)
{
document.getElementById("textik").innerHTML="<h2>Výsledok:</h2>"
document.getElementById("resul").innerHTML=xmlhttp.responseText;
document. getElementById("pracujem"). innerHTML = "";
document.getElementById("resul").setAttribute("class", "vysledok");
}
}

function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}