function bannerLoja() { var banner = 0; do { banner = Math.random(); banner *= 10; var x = Math.round(banner); } while(x < 1 || x > 1) if(x == 1) { str = '

'; } /*if(x == 2) { str = '

'; } if(x == 3) { str = '

'; } */ document.write(str); }