-<td class="le info-opt data"><input type="radio" name="friend" class="friend_id" value="unknown">Sconosciuto</td>
-<td class="le info-opt data"><input type="radio" name="friend" class="friend_id" value="test">In prova</td>
-<td class="ri info-opt data"><input type="radio" name="friend" class="friend_id" value="friend">Amico</td>
-<td class="ri info-opt data"><input type="radio" name="friend" class="friend_id" value="bff">Amico fidato</td>
+<td class="le info-opt data"><input type="radio" name="friend" class="friend_id" value="unknown"
+ onclick="info_onlyifknown_isvisible();">Sconosciuto</td>
+<td class="le info-opt data"><input type="radio" name="friend" class="friend_id" value="test"
+ onclick="info_onlyifknown_isvisible();">In prova</td>
+<td class="ri info-opt data"><input type="radio" name="friend" class="friend_id" value="friend"
+ onclick="info_onlyifknown_isvisible();">Amico</td>
+<td class="ri info-opt data"><input type="radio" name="friend" class="friend_id" value="bff"
+ onclick="info_onlyifknown_isvisible();">Amico fidato</td>