function randomSequence(min, max, quantity) {
    var arrNumber = new Array();
    var i = 0
    while (i < quantity) {
        var intNumber = Math.floor(Math.random() * (max - min + 1) + min);
        var accept = true;
        for (var j = 0; j < quantity; ++j) {
            if (intNumber == arrNumber[j]) {
                accept = false;
                break;
            }
        }
        if (accept) {
            arrNumber[i++] = intNumber;
        }
    }
    return arrNumber;
}
var interval = setInterval('randomizeAdvertisements()', 52000);
function randomizeAdvertisements() {
    var rnds = randomSequence(0, advertisement.length, jQuery('img.holder_advertentie').length);
    jQuery('#container_sponsors img.holder_advertentie').each(function(pos) {
        jQuery(this).attr('src', advertisement[rnds[pos]]);
        jQuery(this).attr('alt', advertisementName[rnds[pos]]);
        jQuery(this).attr('title', advertisementName[rnds[pos]]);
    });
    jQuery('#container_sponsors a.AdvertentieDynamicLink').each(function(pos) {
        jQuery(this).attr('href', advertisementLink[rnds[pos]]);
    });
}