var url;
var xmlhttp;
var visit = 0;
function ajaxFunction(){

if(window.ActiveXObject){

xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");

}else if(window.XMLHttpRequest){

xmlhttp = new XMLHttpRequest();

}else{

alert("your browser does not support ajax");

}


}

function statsInfo(){
ajaxFunction();
  
url = "users.php?window=closed";
xmlhttp.open("GET",url,false);
xmlhttp.send(null);

}
function statsOpen(){
ajaxFunction();

url = "users.php?window=open";
xmlhttp.open("GET",url,false);
xmlhttp.send(null);

}
function countDown(){

ajaxFunction();
  function stateChange(){
  
    if(xmlhttp.readyState == 4){
    
    document.getElementById("countdown").innerHTML = xmlhttp.responseText;
    
    }
  
  
  }
url = "time.php";
xmlhttp.onreadystatechange = stateChange;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
setInterval("countDown()",60000);

}