redirect();
break;
case "add_support":
Login::access_action("entitled", $_SESSION['ngroup']);
$proposal->add_support();
redirect("#supporters");
break;
case "add_support_anonym":
Login::access_action("entitled", $_SESSION['ngroup']);
$proposal->add_support(true);
redirect("#supporters");
break;
case "renew_support":
Login::access_action("entitled", $_SESSION['ngroup']);
$proposal->renew_support();
redirect("#supporters");
break;
case "revoke_support":
Login::access_action("entitled", $_SESSION['ngroup']);
$proposal->revoke_support();
redirect("#supporters");
break;
case "demand_votingmode":
Login::access_action("entitled", $_SESSION['ngroup']);
$issue->demand_votingmode();
redirect();
break;
case "revoke_votingmode":
Login::access_action("entitled", $_SESSION['ngroup']);
$issue->revoke_votingmode();