This example show three different type of images,
on the one hand radar images (5 minute time resolution) and on the
other hand satellite images (small clipping in 5 minute time
resolution, large clipping in 15 time resolution). This types can
be swithed on and off by buttons. In addition, it is ensured, that
only one satellite type is visible (with the object
meteoJS.synview.typeCollection and the option
exclusiveVisibility).