public function setPriority($priority)
	{
		if (is_string($priority))
		{
			switch (strtolower($priority))
			{
				case 'high':
					$priority = 1;
					break;

				case 'normal':
					$priority = 3;
					break;

				case 'low':
					$priority = 5;
					break;

				default:
					$priority = 3;
					break;
			}
		}
		return parent::setPriority($priority);
	}