while(true){
aleatorio = Math.random();
numero = Math.round(aleatorio * 2);

if (numero == 0){
imagen = "https://i.servimg.com/u/f73/16/13/31/56/11111115.jpg";
break;}

if (numero == 1){
imagen = "https://i.servimg.com/u/f73/16/13/31/56/banner12.jpg";
break;}

if (numero == 2){
imagen = "https://i.servimg.com/u/f73/16/13/31/56/banner14.jpg";
break;}
}
document.write('<a href="https://theworld.forumieren.com/" target="_self" ><img src="' + imagen + '" border=0 style="width: 1200px; height: 200px"></a>');