SimpleTogglePanel represents a panel with a base text label at the top and additional
content that can be shown or hidden. Additional content is shown or hidden
using the simpleTogglePanel control located to the right of the base text label by default.
This is an example of the component with default look-n-feel:
The switchType attribute allows to select a toggle approach that can be 'client',
'server' or 'ajax'. The 'server' and 'ajax' types require to be surrounded with a form element such as <h:form> or <a4j:form>.