var req=null;
var data=null;

function getXMLHTTPRequest(){
var xRequest=null;
if(window.XMLHttpRequest){
        xRequest = new XMLHttpRequest();
}else if (window.ActiveXObject){
        xRequest = new ActiveXObject("Microsoft.XMLHTTP");
}
 return xRequest;
}

function sendRequest(url, params, HttpMethod){
        if(!HttpMethod){
                HttpMethod="GET";
        }
        req=getXMLHTTPRequest();
        if(req){
        req.onreadystatechange=onReadyState;
        //var urli = url +"?bustcache="+new Date().getTime();
        req.open(HttpMethod, url, true);
        req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
        req.send(params)
        }

}

function onReadyState(){
        var ready=req.readyState;
        if(ready==4){
                data=req.responseText;
                document.getElementById('kyselydiv').innerHTML = data;
                data = null;
                req=null;
        }


}