function updateBanner() {
        ban1_cur++; 
        if (!ban1_img[ban1_cur]) { ban1_cur = 1; }
        document['banner1_img'].src = ban1_img[ban1_cur].src;
        document.getElementById('banner1_anc').href = ban1_anc[ban1_cur];
        
        ban2_cur++; 
        if (!ban2_img[ban2_cur]) { ban2_cur = 1; }
        document['banner2_img'].src = ban2_img[ban2_cur].src;
        document.getElementById('banner2_anc').href = ban2_anc[ban2_cur];
        
        LB.updateImageList();
        window.setTimeout('updateBanner()',2000);
    }                    
    window.setTimeout('updateBanner()',2000);