function el(id){
  if(document.getElementById)
    return document.getElementById(id);
  else if(window[id])
    return window[id];
  return null;
}

/* Citar comentarios */
function citar_comment(id){
  var user = el('autor_cmnt_' + id).getAttribute('user_comment');
  var cita = el('autor_cmnt_' + id).getAttribute('text_comment');
  var text = ($('#cuerpo_comment').val() != '') ? $('#cuerpo_comment').val() + '\n' : '';
	text += '[quote=' + user + ']' + cita + '[/quote]\n';
	$('#cuerpo_comment').val(text);
  $('#cuerpo_comment').focus();
}