function isFieldEncrypted($field, $table = ""){
		$pSet = $this->pSet;
		if($table == "")
			$table = $this->strTableName;
		if(array_key_exists($table, $this->encryptedFields) && array_key_exists($field, $this->encryptedFields[$table]))
			return $this->encryptedFields[$table][$field];
		if($table != $this->strTableName)
			$pSet = new ProjectSettings($table);
		if(!array_key_exists($table, $this->encryptedFields))
			$this->encryptedFields[$table] = array();
		$this->encryptedFields[$table][$field] = $pSet->isFieldEncrypted($field);
		return $this->encryptedFields[$table][$field];
	}