while(true){

aleatorio = Math.random();

numero = Math.round(aleatorio * 3);

if (numero == 0){

imagen = "https://i.servimg.com/u/f57/18/64/21/62/blend11.jpg";

break;}

if (numero == 1){

imagen = "https://i.servimg.com/u/f55/18/55/58/88/coolio10.jpg";

break;}

if (numero == 2){

imagen = "https://i.servimg.com/u/f55/18/55/58/88/ohoooo10.jpg";

break;}

}

document.write('');