function pregunta(){
window.open("enviar.php?pregunta=1","NewWindow","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=yes,width=450,height=450");
}

function respuesta(form){
var id = form.id.value
window.open("enviar.php?respuesta=1&id=" + id,"NewWindow","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=yes,width=450,height=450");
}