$html .= "Hier kannst Du die Benutzergruppen des Engels festlegen:<formaction=\"".page_link_to("admin_user")."&action=save_groups&id=".$id."\"method=\"post\">\n";
$html .= '<table>';
list ($my_highest_group) = sql_select("SELECT * FROM `UserGroups` WHERE `uid`=" . sql_escape($user['UID']) . " ORDER BY `uid`");
list ($his_highest_group) = sql_select("SELECT * FROM `UserGroups` WHERE `uid`=" . sql_escape($id) . " ORDER BY `uid`");
$my_highest_group = sql_select("SELECT * FROM `UserGroups` WHERE `uid`=" . sql_escape($user['UID']) . " ORDER BY `uid` LIMIT 1");
if ($id != $user['UID'] && $my_highest_group <= $his_highest_group) {
$groups = sql_select("SELECT * FROM `Groups` LEFT OUTER JOIN `UserGroups` ON (`UserGroups`.`group_id` = `Groups`.`UID` AND `UserGroups`.`uid` = " . sql_escape($id) . ") WHERE `Groups`.`UID` >= " . sql_escape($my_highest_group['group_id']) . " ORDER BY `Groups`.`Name`");
$groups = sql_select("SELECT * FROM `Groups` LEFT OUTER JOIN `UserGroups` ON (`UserGroups`.`group_id` = `Groups`.`UID` AND `UserGroups`.`uid` = " . sql_escape($id) . ") WHERE `Groups`.`UID` >= " . sql_escape($my_highest_group) . " ORDER BY `Groups`.`Name`");