Additional modules are market dependent on sites useful or even necessary. For example, owners need an overview of the exact assignment of their apartments. The display of the current assignment allows customers torecognize free periods of the desired apartment(s) before ordering. For orders or contact forms online can be very accurate to specify the relevant information as required. For online sales will be presented large catalogs in the online shop. An integrated ordering and payment system automates the sales process. With Google Maps, you can present the journey to you and with the weather-widgets the weather at your place.