CUserTypeSQL::SetOrder

function SetOrder($arOrder)
{
	if(is_array($arOrder))
	{
		$this->order = array();
		foreach($arOrder as $field => $order)
		{
			if(array_key_exists($field, $this->user_fields))
				$this->order[$field] = $order != "ASC" ? "DESC" : "ASC";
		}
	}
}