A method and system that provide browser-based functions by injected into a web page a control button, form text field or similar browser-based function control such that both the browser controls and the content of the web page can be transformed for accessibility. The RAN may determine a level of ingress of WCDs into a wireless coverage area andor a level of egress of WCDs out of the wireless coverage area. Moreover, the first and the second piezo-actuators are controllable to be expanded or contracted. The auxiliary cushion has a supporting surface which is tilted upwards from one end close to the control lever to the other end. Output sensors detect rotation of the TSM about the output axis.