protected function _prefixOrderProperty() {
		if (is_string($this->order)) {
			$this->order = $this->_prefixAlias($this->order);
		}
		if (is_array($this->order)) {
			foreach ($this->order as $key => $value) {
				if (is_numeric($key)) {
					$this->order[$key] = $this->_prefixAlias($value);
				} else {
					$newKey = $this->_prefixAlias($key);
					$this->order[$newKey] = $value;
					if ($newKey !== $key) {
						unset($this->order[$key]);
					}
				}
			}
		}
	}