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

if (numero == 0){
imagen = "https://i.servimg.com/u/f40/15/10/73/77/banner10.jpg";
break;}

if (numero == 1){
imagen = "http://s3.imgimg.de/uploads/banner15068495png.png";
break;}

if (numero == 2){
imagen = "http://s3.imgimg.de/uploads/bannerd47997b8png54e81431png.png";
break;}


}
document.write('<a href="https://journeythroughdreams.forumieren.com/forum" target="_self" ><img src="' + imagen + '" border=3 style="width: 620px; height: 400px"></a>');