function requestObj() {
    var reqObj;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        reqObj = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        reqObj = new XMLHttpRequest();
    }
    return reqObj;
}

var http = requestObj();

function sndReq(act) {
  if (act == 0) {
    document.getElementById("checkres").innerHTML = "Loading...";
    http.open('get', 'check.php?u='+document.forms[0].u.value+'&d='+document.forms[0].d.value+'', true);
    http.onreadystatechange = handleResponsec;
  } else {
    document.getElementById("testimonials").innerHTML = "Loading...";
    http.open('get', 'testimonial.php', true);
    http.onreadystatechange = handleResponset;
  }
    http.send(null);
}

function handleResponsec() {
    if(http.readyState == 4){
        var response = http.responseText;
        document.getElementById("checkres").innerHTML = response;
    }
}
function handleResponset() {
    if(http.readyState == 4){
        var response = http.responseText;
        document.getElementById("testimonials").innerHTML = response;
    }
}