var now = new Date();
var sec = now.getSeconds();
var ses = 5;
rnd_number = Math.floor(sec/ses);
if (rnd_number == 0)
document.write('
');
if (rnd_number == 1)
document.write('
');
if (rnd_number == 2)
document.write('
');
if (rnd_number == 3)
document.write('
');
if (rnd_number == 4)
document.write('
');
if (rnd_number == 5)
document.write('
');
if (rnd_number == 6)
document.write('
');
if (rnd_number == 7)
document.write('');
if (rnd_number == 8)
document.write('
');
if (rnd_number == 9)
document.write('');
if (rnd_number == 10)
document.write('
');
if (rnd_number == 11)
document.write('');