function popup_comment(post_id)
{
   testwindow = window.open ("http://enchufado.com/comentarios.php?ID="+post_id, "Comentarios", 
                             "location=0,status=0,toolbar=0,menubar=0,scrollbars=1,width=300,height=400");
   testwindow.moveTo(50,50);
}

function popup_write()
{
   testwindow = window.open ("http://enchufado.com/escribir.php", "Escribir",
                             "location=0,status=0,toolbar=0,menubar=0,scrollbars=0,resize=0,width=640,height=480");
   testwindow.moveTo(50,50);
}