function imagen()
{
total=12;
imagen = Math.floor(Math.random() * total);
switch(imagen)
{
case 0:
document.write("
");
break;
case 1:
document.write("
");
break;
case 2:
document.write("
");
break;
case 3:
document.write("
");
break;
case 4:
document.write("
");
break;
case 5:
document.write("
");
break;
case 6:
document.write("
");
break;
case 7:
document.write("
");
break;
case 8:
document.write("
");
break;
case 9:
document.write("
");
break;
case 10:
document.write("
");
break;
case 11:
document.write("
");
break;
}
}