function Load()
{
  setTimeout("Replace()", 1500);
}
function Replace()
{
  document.getElementById('mapa').innerHTML = "<iframe src='http://www.e-chalupy.cz/' width='500px' height='500px'></iframe>";
}
function hledej_psc()
{
     var url = 'hledej_psc.php?qq=' + encodeURI(document.getElementById("hledatko").value);

     if (url != 'hledej_psc.php?qq=')
     {
        if (window.ActiveXObject)
        {
          httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
        }
        else
        {
          httpRequest = new XMLHttpRequest();
        }
        httpRequest.open("GET", url, true);
        httpRequest.onreadystatechange = function () { processRequest(); } ;
        httpRequest.send(null);
      }
      else
      {
        document.getElementById("hledani_vysledek").innerHTML = "";
      }
}
function processRequest()
{
  if (httpRequest.readyState == 4)
  {
    if(httpRequest.status == 200)
    {
      var mistoZobrazeni = document.getElementById("hledani_vysledek");
      mistoZobrazeni.innerHTML = httpRequest.responseText;
    }
    else
    {
        alert("Chyba pri nacitani stanky"+ httpRequest.status +":"+ httpRequest.statusText);
    }
  }
}