function showhide_f (id, visible)
 {
 fototable=document.getElementById("fototable"+id);
 show=document.getElementById("showfoto"+id);
 hide=document.getElementById("hidefoto"+id);
 if (visible==1)
  {
  fototable.style.display="none";
  show.style.display="block";
  hide.style.display="none";
  }
 else
  {
  fototable.style.display="block";
  show.style.display="none";
  hide.style.display="block";
  }
 }
function processRequest()
{
  if (httpRequest.readyState == 4)
  {
    if(httpRequest.status == 200)
    {
      var mistoZobrazeni = document.getElementById("infobox");
      mistoZobrazeni.innerHTML = httpRequest.responseText;
    }
    else
    {
        alert("Chyba pri nacitani stanky.");
    }
  }
}
function showinfo (id, cat)
 {
 document.getElementById("infobox").style.display="block";
 document.getElementById("infobox").innerHTML = "<br><br><br><br><center><img src=\"grafika/loading.gif\"></center>";
 
 src="zamdetail.php?zam="+id+"&cat="+cat
      if (src != 0)
     {
        if (window.ActiveXObject)
        {
          httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
        }
        else
        {
          httpRequest = new XMLHttpRequest();
        }
        httpRequest.open("GET", src, true);
        httpRequest.onreadystatechange= function () {processRequest(); } ;
        httpRequest.send(null);
      }
      else
      {

        document.getElementById("infobox").innerHTML = "";
        
      }
 }
function diplay (id)
 {
 document.getElementById(id).style.display="block";
 }
function hide (id)
 {
 document.getElementById(id).style.display="none";
 }