var banner = new Array();

    banner[0]='https://i.servimg.com/u/f29/16/49/06/43/p1030410.jpg';
    banner[1]='https://i.servimg.com/u/f29/16/49/06/43/espejo12.jpg';
    banner[2]='https://i.servimg.com/u/f29/16/49/06/43/loeb_e10.jpg';
    banner[3]='https://i.servimg.com/u/f29/16/49/06/43/p1030010.jpg';
    banner[4]='https://i.servimg.com/u/f29/16/49/06/43/p1030510.jpg';
    banner[5]='https://i.servimg.com/u/f29/16/49/06/43/p1030310.jpg';
    banner[6]='https://i.servimg.com/u/f29/16/49/06/43/patoru14.jpg';
    banner[7]='https://i.servimg.com/u/f29/16/49/06/43/patoru16.jpg';
    banner[8]='https://i.servimg.com/u/f29/16/49/06/43/patoru15.jpg';
    banner[09]='https://i.servimg.com/u/f49/16/49/06/43/grilli10.jpg';
    banner[10]='https://i.servimg.com/u/f49/16/49/06/43/presen10.jpg';
    banner[11]='https://i.servimg.com/u/f49/16/49/06/43/citros10.jpg';
    banner[12]='https://i.servimg.com/u/f49/16/49/06/43/logo_r10.jpg';
    banner[13]='https://i.servimg.com/u/f49/16/49/06/43/citro_12.jpg';
    banner[14]='https://i.servimg.com/u/f49/16/49/06/43/logo_c10.jpg';
    banner[15]='https://i.servimg.com/u/f49/16/49/06/43/interi10.jpg';
    banner[16]='https://i.servimg.com/u/f49/16/49/06/43/foto_s11.jpg';


    document.getElementById('logo').firstChild.src=banner[Math.floor(Math.random()*banner.length)];

    setInterval("document.getElementById('logo').firstChild.src= banner[Math.floor(Math.random()*banner.length)];",7000);