var loadMessage = "";
var httpRequest1 = false;
var phpUrl = "ajaxanketa.php";


function anodp(an,od)
{

   url= 'an='+an+'&od='+od;
   ajax('anketadiv',url);
}

function ajax(kde,url_param)
{
  var div = document.getElementById(kde);
  var addUrl = encodeURI('?'+url_param);
  //if(select) addUrl = addUrl+"&select="+select;
  Request(addUrl,div,false);
}


function Request(addUrl,div, httpRequest)
{
    httpRequest = false;
    if(window.XMLHttpRequest) {
      try {
        httpRequest = new XMLHttpRequest();
      } catch(e) {
        alert("e1:"+e);
        httpRequest = false;
      }

    } else if(window.ActiveXObject) {
      try {
        httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
      } catch(e) {
        alert("e2:"+e);
        try {
          httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
        } catch(e) {
          alert("e3:"+e);
          httpRequest = false;
        }
      }
    }
    if(httpRequest) {
      //alert("0:open:\n"+phpUrl+addUrl);
      httpRequest.open("GET", phpUrl+addUrl, true);
      //httpRequest.setRequestHeader('Content-Type', 'text/html; charset=UTF-8');
      httpRequest.onreadystatechange= function () {processRequest(div,httpRequest); } ;
      httpRequest.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
      httpRequest.send(null);
    }
    else alert('xx');

}

function processRequest(dest,httpRequest)
{
  if (httpRequest.readyState == 4)
  {
    if(httpRequest.status == 200)
    {
      if(dest) dest.innerHTML = httpRequest.responseText;
      //alert(httpRequest.responseText);
    }
    else
    {
      alert("Chyba pri nacitani stanky"+ httpRequest.status +":"+ httpRequest.statusText);
    }
  }
}