} else {
$strWhereClause = "WHERE ".((trim($strWhere) == "") ? "" :
"$strWhere AND ").sprintf("((er_act = '%s') or (er_hidden IS NULL OR ".
} else {
$strWhereClause = "WHERE ".((trim($strWhere) == "") ? "" :
"$strWhere AND ").sprintf("((er_act = '%s') or (er_hidden IS NULL OR ".