function createRequestObject() {
     
        var req; 
     
        if(window.XMLHttpRequest){ 
            // Firefox, Safari, Opera... 
            req = new XMLHttpRequest(); 
        } else if(window.ActiveXObject) { 
            // Internet Explorer 5+ 
            req = new ActiveXObject("Microsoft.XMLHTTP"); 
        } else { 
            // There is an error creating the object, 
            // just as an old browser is being used. 
            alert('There was a problem creating the XMLHttpRequest object'); 
        } 
     
        return req; 
     
    } 
     
    // Make the XMLHttpRequest object 
    var http = createRequestObject(); 
     
    function sendRequest(act) { 
         
        // Open PHP script for requests ?act='+act
        http.open('get', 'http://www.vgkoren.se/online/index1.php'); 
        http.onreadystatechange = handleResponse; 
        http.send(null);
     
    } 
     
    function handleResponse() { 
     
        if(http.readyState == 4 && http.status == 200){ 
     
            // Text returned FROM PHP script 
            var response = http.responseText; 
     
            if(response) { 
                // UPDATE ajaxTest content 
                document.getElementById("countPosts").innerHTML = response; 
                setTimeout(countPosts,20000); 
            } 
     
        } 
    } 

    function countPosts() { 
        sendRequest('countPosts'); 
    }