function centrobannerloader(IDUser) {
    var seed = Math.floor(Math.random() * 1000001);
    var frameid = 'frame_' + seed;
    var jsref = "" + window.location;
    var jref = "" + document.referrer;
    
    var url = "http://www.centrobanner.it/Rotation/rotationcode.aspx?src=" + jsref + "&IDUser=" + IDUser + "&Ref=" + jref;
 
    document.write('<DIV id="div468x60_' + frameid + '" width="468" height="75"><IFRAME id="' + frameid + '" name="' + frameid + '" width="468" height="75" FRAMEBORDER="0" SCROLLING="no" SRC="' + url + '"></IFRAME></DIV>\n');
    
    var randomnumber = Math.floor(Math.random() * 1000001);
    //setInterval("basicwrite0('" + url + "','" + frameid + "','" + seed + "')", 18000);
}