$(document).ready(function(){
    laadPlaylist();
});

function laadPlaylist(){
    var http = (window.XMLHttpRequest) ?  new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLHTTP");
    var url = "ajax/laadplaylist.php";
    http.open("GET", url, true);
    http.onreadystatechange = function(){
        if(http.readyState == 4 && http.status == 200){
            document.getElementById("playlist").innerHTML = http.responseText;
        }
    }
    http.send(null);
    setTimeout("laadPlaylist()", 10000);
}