public static function GetSuperposedList($Params = array())
 {
     global $DB;
     $checkPermissions = $Params['checkPermissions'] !== false;
     $checkSocnetPermissions = $Params['checkSocnetPermissions'] !== false;
     $userId = isset($Params['userId']) ? intVal($Params['userId']) : self::$userId;
     $arResult = array();
     $arSectionIds = array();
     $sqlSearch = "";
     // Common types
     $strTypes = "";
     if (isset($Params['TYPES']) && is_array($Params['TYPES'])) {
         foreach ($Params['TYPES'] as $type) {
             $strTypes .= ",'" . CDatabase::ForSql($type) . "'";
         }
         $strTypes = trim($strTypes, ", ");
         if ($strTypes != "") {
             $sqlSearch .= "(CS.CAL_TYPE in (" . $strTypes . "))";
         }
     }
     // Group's calendars
     $strGroups = "0";
     if (is_array($Params['GROUPS']) && count($Params['GROUPS']) > 0) {
         foreach ($Params['GROUPS'] as $ownerId) {
             if (IntVal($ownerId) > 0) {
                 $strGroups .= "," . IntVal($ownerId);
             }
         }
         if ($strGroups != "0") {
             if ($sqlSearch != "") {
                 $sqlSearch .= " OR ";
             }
             $sqlSearch .= "(CS.OWNER_ID in (" . $strGroups . ") AND CS.CAL_TYPE='group')";
         }
     }
     if ($sqlSearch != "") {
         $strSql = "\n\t\t\t\tSELECT\n\t\t\t\t\tCS.*,\n\t\t\t\t\tCT.NAME AS TYPE_NAME, CT.DESCRIPTION AS TYPE_DESC\n\t\t\t\tFROM\n\t\t\t\t\tb_calendar_section CS\n\t\t\t\t\tLEFT JOIN b_calendar_type CT ON (CS.CAL_TYPE=CT.XML_ID)\n\t\t\t\tWHERE\n\t\t\t\t\t(\n\t\t\t\t\t\tCT.ACTIVE='Y'\n\t\t\t\t\tAND\n\t\t\t\t\t\tCS.ACTIVE='Y'\n\t\t\t\t\tAND\n\t\t\t\t\t(\n\t\t\t\t\t\t{$sqlSearch}\n\t\t\t\t\t))";
         $res = $DB->Query($strSql, false, "File: " . __FILE__ . "<br>Line: " . __LINE__);
         while ($arRes = $res->Fetch()) {
             $arSectionIds[] = $arRes['ID'];
             $arResult[] = $arRes;
         }
     }
     // User's calendars
     $strUsers = "0";
     if (is_array($Params['USERS']) && count($Params['USERS']) > 0) {
         foreach ($Params['USERS'] as $ownerId) {
             if (IntVal($ownerId) > 0) {
                 $strUsers .= "," . IntVal($ownerId);
             }
         }
         if ($strUsers != "0") {
             $strSql = "\n\t\t\t\tSELECT\n\t\t\t\t\tCS.*,\n\t\t\t\t\tU.LOGIN AS USER_LOGIN, U.NAME AS USER_NAME, U.LAST_NAME AS USER_LAST_NAME, U.SECOND_NAME AS USER_SECOND_NAME\n\t\t\t\tFROM\n\t\t\t\t\tb_calendar_section CS\n\t\t\t\t\tLEFT JOIN b_user U ON (CS.OWNER_ID=U.ID)\n\t\t\t\tWHERE\n\t\t\t\t\t(\n\t\t\t\t\t\tCS.ACTIVE='Y'\n\t\t\t\t\tAND\n\t\t\t\t\t\tCS.OWNER_ID in (" . $strUsers . ")\n\t\t\t\t\tAND\n\t\t\t\t\t\tCS.CAL_TYPE='user'\n\t\t\t\t\t)";
             $res = $DB->Query($strSql, false, "File: " . __FILE__ . "<br>Line: " . __LINE__);
         }
         while ($arRes = $res->Fetch()) {
             $arSectionIds[] = $arRes['ID'];
             $arResult[] = $arRes;
         }
     }
     if ($checkPermissions && count($arSectionIds) > 0) {
         if ($checkSocnetPermissions) {
             if (isset($Params['USERS']) && count($Params['USERS']) > 0) {
                 $arFeaturesU = CSocNetFeatures::IsActiveFeature(SONET_ENTITY_USER, $Params['USERS'], "calendar");
                 $arViewU = CSocNetFeaturesPerms::CanPerformOperation($userId, SONET_ENTITY_USER, $Params['USERS'], "calendar", 'view');
                 $arWriteU = CSocNetFeaturesPerms::CanPerformOperation($userId, SONET_ENTITY_GROUP, $Params['USERS'], "calendar", 'write');
             }
             if (isset($Params['GROUPS']) && count($Params['GROUPS']) > 0) {
                 $arFeaturesG = CSocNetFeatures::IsActiveFeature(SONET_ENTITY_GROUP, $Params['GROUPS'], "calendar");
                 $arViewG = CSocNetFeaturesPerms::CanPerformOperation($userId, SONET_ENTITY_GROUP, $Params['GROUPS'], "calendar", 'view');
                 $arWriteG = CSocNetFeaturesPerms::CanPerformOperation($userId, SONET_ENTITY_GROUP, $Params['GROUPS'], "calendar", 'write');
             }
         }
         CCalendarSect::GetArrayPermissions($arSectionIds);
         $res = array();
         $sectIds = array();
         foreach ($arResult as $sect) {
             $sectId = $sect['ID'];
             $ownerId = $sect['OWNER_ID'];
             if (self::CanDo('calendar_view_time', $sectId) && !in_array($sectId, $sectIds)) {
                 if ($checkSocnetPermissions) {
                     // Disabled in socialnetwork
                     if ($sect['CAL_TYPE'] == 'group' && (!$arFeaturesG[$ownerId] || !$arViewG[$ownerId]) || $sect['CAL_TYPE'] == 'user' && (!$arFeaturesU[$ownerId] || !$arViewU[$ownerId])) {
                         continue;
                     }
                 }
                 $sect['PERM'] = array('view_time' => self::CanDo('calendar_view_time', $sectId), 'view_title' => self::CanDo('calendar_view_title', $sectId), 'view_full' => self::CanDo('calendar_view_full', $sectId), 'add' => self::CanDo('calendar_add', $sectId), 'edit' => self::CanDo('calendar_edit', $sectId), 'edit_section' => self::CanDo('calendar_edit_section', $sectId), 'access' => self::CanDo('calendar_edit_access', $sectId));
                 if ($checkSocnetPermissions) {
                     if ($sect['CAL_TYPE'] == 'group' && !$arWriteG[$ownerId] || $sect['CAL_TYPE'] == 'user' && !$arWriteU[$ownerId]) {
                         $sect['PERM']['add'] = false;
                         $sect['PERM']['edit'] = false;
                         $sect['PERM']['edit_section'] = false;
                         $sect['PERM']['access'] = false;
                     }
                 }
                 if ($sect['CAL_TYPE'] == 'user') {
                     if (isset($sect['USER_NAME'], $sect['USER_LAST_NAME'])) {
                         $sect['OWNER_NAME'] = CCalendar::GetUserName(array("NAME" => $sect['USER_NAME'], "LAST_NAME" => $sect['USER_LAST_NAME'], "LOGIN" => $sect['USER_LOGIN'], "ID" => $ownerId, "SECOND_NAME" => $sect['USER_SECOND_NAME']));
                         unset($sect['USER_LOGIN']);
                         unset($sect['USER_LAST_NAME']);
                         unset($sect['USER_SECOND_NAME']);
                         unset($sect['USER_NAME']);
                     } else {
                         $sect['OWNER_NAME'] = CCalendar::GetUserName($ownerId);
                     }
                 } elseif ($sect['CAL_TYPE'] == 'group' && isset($Params['arGroups'])) {
                     $sect['OWNER_NAME'] = $Params['arGroups'][$ownerId]['NAME'];
                 }
                 $res[] = $sect;
                 $sectIds[] = $sectId;
             }
         }
         $arResult = $res;
     }
     return $arResult;
 }