// author       :     Henk-Johan Ketelaar
// date         :     25-05-2010
// description  :     change the advert banner on the sepcified interval

var xmlhttp = null;

function initAdvertBanner() {

    var objTest = document.getElementById("advertisment_banner");

    if (objTest) {
        var url = "includes/adbanner.cp";

        if (window.XMLHttpRequest) {
            // code for IE7+, Firefox, Chrome, Opera, Safari
            xmlhttp = new XMLHttpRequest();
        }
        else {
            // code for IE6, IE5
            xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
        }

        url = url + "?sid=" + Math.random();
        xmlhttp.open("GET", url, false);
        xmlhttp.send(null);
        document.getElementById("advertisment_banner").innerHTML = xmlhttp.responseText;

        setTimeout('initAdvertBanner()', 10000);
    }
}