This bachelor thesis is focused on developing and implementation of virtual waiting room for HTML client. The goal of this thesis was to create a reservation system that allows to client to make reservations. This system is optimized for mobile devices. User can choose from the companies which will be the part of the virtual waiting room and make the reservation of the services they offer. The contribution of this thesis for the user is to save his time which he would have to spend by waiting for the service in the queue. The contribution for the company is better organization and administration of the reservations, which will increase the effectivity in scheduling of the reservations. Moreover, it will also lead to an increase of customer´...