while(true){
aleatorio = Math.random();
numero = Math.round(aleatorio * 10);

if (numero == 0){
imagen = "http://i80.servimg.com/u/f80/13/60/31/75/banerf11.jpg";
break;}

if (numero == 1){
imagen = "http://img32.imageshack.us/img32/1971/banner3z.png";
break;}

if (numero == 2){
imagen = "http://img17.imageshack.us/img17/8580/banner2jo.png";
break;}

if (numero == 4){
imagen = "http://img109.imageshack.us/img109/4963/discosbanner.png";

break;}if (numero == 5){
imagen = "http://img695.imageshack.us/img695/2840/tscbanner.png";
break;}

if (numero == 6){
imagen = "http://i80.servimg.com/u/f80/13/60/31/75/banerf11.jpg";
break;}

if (numero == 7){
imagen = "http://img32.imageshack.us/img32/1971/banner3z.png";
break;}

if (numero == 8){
imagen = "http://img109.imageshack.us/img109/4963/discosbanner.png";

break;}if (numero == 9){
imagen = "http://img695.imageshack.us/img695/2840/tscbanner.png";
break;}

}
document.write('<a href="http://britneyelsalvador.foroactivo.com/" target="_self" ><img src="' + imagen + '" border=0 style="width: 800px; height: 501px"></a>');